Revision Notes Flashcards
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What is a type validation check?
Checks something of the right type is entered e.g. Number in a number field.
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What are cookies?
Small files which websites use to remember personal info entered whilst on site.
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How can back problems be prevented?
Keep good posture. Use an adjustable chair to allow good position. Sit with back straight and head up. Adjustable monitor so you don’t have to bend your kneck.
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What is the purpose of Google’s android?
Downloading and running apps can be used for business, entertainment or social purposes.
Users can also tether and connect laptop or other devices to Internet via phone.
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How are forums used in business communications?
People can post comments or contribute to discussions.
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What is a printer used for?
Producing a hard copy of info which can be taken away from a computer.
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How can physical threats be prevented?
Appropriate physical protection (locked doors, cameras, cctv, bars on windows etc). Access levels (do not give access to data unless they need it). Transaction logs.
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What are track changes?
Can be switched on in document and changes are added in different colour.
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What are magnetic tapes used for and why?
Company backups. It is very slow for anything else.
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What are the advantages of video calling?
Can work internationally.
No travel needed.
Meetings can be called at short notice.
Can be cheaper than paying for everyone to come together.
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Who created .fla files?
Adobe
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What is reviewing?
User can review changes or comments using software. Can then accept or reject changes and delete comments in fast and simple way.
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What is sip and puff technology?
Technology which allows people to give commands to a computer using short sips and puffs into a straw.
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Who would use cloud storage and what for?
Businesses who work on the move.
iPhone/iPad/iPod devices to synchronise data between them.
Schools to work online.
Families to store data online.
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What is the purpose of a netbook?
Mobile users who need a basic computer on move.
Family - entertainment.
Commuters working on move.
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What are .ppt files used for?
Presentations made in PowerPoint.
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What is the public firewall setting when connecting to the internet?
Select this is in public place or unsure who owns connection to ensure computer is fully protected when using Internet.
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What is a format validation check?
Checks what is entered is in correct structure e.g. Postcode LLNN NLL
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What are the consequences of illegal downloads?
Without permission - could face legal action or removal from Internet service under 3 strike legislation. Ignorance is not an excuse.
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What are some common examples of input devices?
Microphone, graphics tablets, mouse, touch screen, keyboard, touchpad.
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What are examples of physical security measures?
Serial number everything
Alarms on
Doors locked
Fire protection
Lock windows/doors
Avoid ground floor
Blinds closed
(SAD FLAB)
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Who created .aac files?
Apple
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What are large icons and mouse pointers and when are they used?
Icons or cursor can be made larger, making them easier to spot.
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What is the job of the OS?
Load and run applications. Share out and manage memory. Communicate with peripherals. Accept data from input devices. Provide an interface.
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What is disk cleanup?
Utility which scans computer and allows you to remove files/software not used in a long time.
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What is mobile phone triangulation?
Mobile phone connects to a phone ‘cell’ to get a connection. Using this and two other cells close by, location can be determined by working out how far away/close you are to each cell.
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What are .rtf files used for?
Basic text with pictures
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What is Internet logging?
Logging of websites accessed, time spent visiting, search history, actions on a sit etc.
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What devices run Apple iOS?
iPad.
iPhone.
iPod.
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What can USBs be used in?
Printers, mouse, keyboard, cameras etc.
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What makes a good password?
Mixture of case Symbols and characters Longer than 8 characters Changed regularly Not related to you
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What is hacking?
Someone attempts to gain access to your computer system.
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What are 3 health and safety issues with computers at work?
Eye strain, RSI, back problems
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How is GPS used?
To track where you are, if moving and determine speed. Employees may use to determine whether where you’re supposed to be.
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How can Trojan horses be prevented?
Use antivirus software. Make sure it is updated and scan your computer regularly.
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What devices run Mac OS X?
Mac computers
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What is the purpose of Windows?
Run wide range of software:
Business - E.g. Use Office
Personal - gaming, entertainment
Social - Internet browsing.
Mainly for ‘working’ computers where people do lots of different things.
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Where are internal hard disks used?
All computers: desktops, laptops, netbooks.
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What are examples of an output device?
Screen, printer, touch screen, projector and speakers.
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What is an onscreen keyboard used for?
People who cannot use a keyboard
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What devices run Windows?
Desktop PC.
Laptop.
Netbook.
Ultrabook.
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How can a computer virus be prevented?
Use antivirus software. Make sure it is updated and scan your computer regularly.
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How can a denial of service attack be prevented?
Ensure the business has a good firewall and is up to date.
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How and where can barcoded be used?
Products - to lookup price at checkout.
Track items for delivery.
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What are peripherals?
Lots of different Add Ons that can connect to computer like mouse, camera, keyboards, printer.
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What are the features of Google’s Android?
App Store. Music. Camera. Bluetooth. Email/internet. 3G/WiFi iCloud.
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Why is system update needed?
Software can have bugs or issues which need fixing. Issues could cause security problems. Keeping computer updated ensures issues don’t affect you.
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What is Thunderbolt?
A new version of a FireWire which is even faster.
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What are the main features of internal hard disks?
Large sizes (up to TB).
Very fast.
Inexpensive.
Easily damaged.
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How can hacking be prevented?
Ensure you have a firewall and it is switched on.
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What is a Trojan horse?
A virus which pretends to be something good like a game but is actually causing harm to your computer and letting other things in.
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Who would use solid state drives and what for?
New computers, very expensive but very fast and reliable. Replaces a hard drive. In moveable devices like iPhones, tablet PCs etc to store apps etc.
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What is a worm?
A virus which is designed to cause annoyance but not damage any files - e.g. Slow down your computer or cause pop ups.
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What are the features of a smartphone?
Touch screen.
Apps.
Graphical interface.
Long battery life.
Mobile phone.
Internet access.
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What are the 8 points of the Data Protection Act 1998?
- Fairly and lawfully processed.
- Used for limited purposes.
- Adequate and relevant, only using what is needed.
- Accurate.
- Not kept for longer than is necessary.
- Accessible to individual and able to be corrected or removed where necessary.
- Secure.
- Not transferred to countries without adequate protection.
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Who created .xls files?
Microsoft
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What are the features of a tablet?
Large touch screen.
Apps.
Graphical interface.
Wifi/3G
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Why was the Data Protection Act 1998 set up?
To protect privacy of personal information
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What are examples of light sensors?
Security lights.
Street lights.
Phones sensor (auto adjust brightness).
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What is a foot mouse and what is it used for?
For people, unable to use traditional mouse, a foot mouse allows someone to navigate around a computer with their feet.
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What is adware?
Malware which causes adverts to constantly appear on your computer.
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What are examples of open file formats?
.rtf .pdf .csv .exe .txt .mp3 .wav
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What are the features of Windows?
Windows, icons, menus, pointers. Start menu. Customisable backgrounds/icons. Windows files, folders. Shortcuts. Separate usernames and passwords. Accessibility features (magnify/narrator). F1 help.
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What is a systems update?
Software which updates your operating system or other programs with latest update.
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What does NFC stand for?
Near Field Communication
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What are the advantages of teleworking for employees?
No need to travel - reduces cost. Work from home. Less tress. Work around family - flexible hours. Disabled can work.
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Why is anti spyware needed?
If it isn’t used, computer could be at risk and could be being watched. Personal info may be stolen or computer severely slowed down as a result.
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What can key logging be used for?
Recording what is typed into computer. Ensures computer is only being used for what it’s meant to be.
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What are infrared peripherals?
Like Bluetooth but two devices must be close to each other. Really slow and old. Used in old tech like TV remotes. Doesn’t work round corners or far away.
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What are .pdf files used for?
Read only files for people to see but not change
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What is a pressure sensor for?
Whether extra pressure has been applied on a surface.
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What is another type of input device?
Sensors
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What are the exceptions to the Data Protection Act?
National security - cannot demand to see your data if national security at risk.
Police investigation - info being used to prevent crimes is not covered but police records are.
Examination results - exempt until published by examining bodies.
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What is antivirus software?
Software which checks files and programs to ensure you do not get infected with a virus.
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What are .fla files used for?
Animation files made in Flash.
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How is text messaging used in business communications?
Used to send short informal messages to employees without them having to answer immediately.
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Why is antivirus software needed?
To ensure computer is protected from viruses. Must be updated and scan computer regularly for it to be effective.
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What is an output device?
Something which is used to display or return info to a user.
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What do some mobile OS have instead of pointers?
Touch screens
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What are examples of teleworking/homeworking jobs?
Web designer.
Architect.
Solicitor.
Computer programmer.
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How can worms be prevented?
Use antivirus software. Make sure it is updated and scan your computer regularly.
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What does verification mean?
To check data entered against original source data.
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What are .exe files used for?
Programs on a Windows computer
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What can HDMIs be used for?
Computers, TVs, games consoles.
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What are the main features of a router?
Allows you to share an Internet connection.
If router is slow, this affects transfer speeds.
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How is email used in business communications?
Instant communication worldwide where people don’t have to be there for email to arrive.
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What are .aac files used for?
Music to be played back in Apple iTunes.
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What are HDMI and VGA?
Currently, main ways to connect screen to computer. VGA older connection for normal quality screens. HDMI clearer quality and HD.
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What does RFID stand for?
Radio Frequency Identification
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What are Braille keyboards?
A way for blind people to be able to use touch to recognise keys on keyboard and type.
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What are cookies used for?
Can be checked to see what websites you’ve visited and info typed in.
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What are 6 types of sensor?
Heat, light, pressure, tilt, touch and sound.
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What does data validation not do?
Check data is correct
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How can eye strain be prevented?
Sit at arms length. Not too light or dark. Regular breaks. New monitors. Antiglare screens.
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What could a microphone be used for?
Making recordings or as voice control - giving computer commands. Also used to dictate documents.
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When is tracking changes useful?
When sending a file for someone to proof read or check for you
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Who would use memory cards and what for?
In mobile phones, tablets and digital cameras for storing pictures, applications, videos etc.
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What are data subjects?
People who have data held about them
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How is social media used in business communications?
Way of communicating informally.
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What is the purpose of Mac OS X?
Very fast computers.
Creativity - creative people can use built in facilities.
Business - like Windows, provides Office facilities for professional workers.
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What are data capture methods?
Getting data from someone and storing it electronically.
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What are your rights under the Data Protection Act?
See what data is being held about them, maybe at a cost.
Change anything which is wrong.
Refuse to have some data stored.
Refuse to allow processing for direct marketing (junk mail).
Complain to Data Protection Commision.
Claim compensation.
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What is a graphics tablet?
Really large touchpad which can be drawn on with stylus. Whatever is drawn appears on computer screen.
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What are CDs used for?
Music CDs.
Small backups.
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Who created .wma files?
Microsoft
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What is the purpose of a ultrabook?
Gamers.
Commuters - very lightweight so easily portable.
Business/school/entertainment.
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What is a tilt sensor for?
Orientation of something
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What is a touchpad?
On mobile devices like laptops where a normal mouse isn’t convenient, small square touch pad controls cursor as finger moves across it.
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What causes RSI?
Repeated movement of wrists and fingers over a long period of time. Too much force when using keyboard/mouse (aches and pains from muscle damage).
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What is the purpose of a tablet?
Schools promote learning.
Entertainment.
Web browsing.
Basic working.
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What are the 3 methods of automated data capture?
RFID
NFC
Barcode
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What is Bluetooth?
A wireless technology which allows a device to talk and connect to another. Is secure and has a long battery life.
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What are the implications on an employee of data misuse?
Disciplinary action.
Sack/dismissal.
Intentional - prosecution?
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What is anti spyware?
Spyware is software which monitors what you do on w computer and reports it to someone. Anti spyware removes any spyware issues and protects computer from three threats.
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What is the aim of data validation?
Make sure data is sensible, reasonable and allowable.
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Who created .docx files?
Microsoft
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What is key logging?
Small program which logs every key you type, including passwords etc.
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What are some uses of Bluetooth?
Headsets, sending/receiving files on phones, car-phone connection, wireless games controllers.
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What are the main features of solid state drives?
Very fast.
Store a lot of data.
No moving parts.
Very expensive.
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What are some examples of proprietary file formats?
.doc / .docx .xls / .xlsx .ppt / .pptx .fla .wma .aac
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Why was the computer misuse act introduced?
To try and help businesses deal with criminals who computer systems to cause harm or damage, for example by planting viruses.
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What is a touch sensor for?
When 2 things have come into contact.
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What are DVDs used for?
Movies, backups, music.
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What do CAPTCHA checks ask for?
You to type in a work, phrase or collection of letters/numbers
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What are high contrast screens and when are they used?
Makes colours and fonts much clearer and sharper on screen, making it easier for VI to see better what is displayed.
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How can adware be prevented?
Ensure spyware protection is installed and firewall is switched on.
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What is a range validation check?
Checks somethings is within a specific range
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What are the features of Mac OS X?
Finder - quickly find programs and files.
Dock - to locate all programs.
iLife - GarageBand, iMovie, iDVD etc for creativity.
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What is a touch screen used for?
Moving around a computer or application using hands instead of mouse.
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What is a magnifier?
Used to engage parts of a screen to make it easier to see for VI.
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What are .txt files used for?
Plain text files
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Why is online verification used?
To ensure data is as accurate as possible.
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What are the main features of CDs?
700MB size.
Very cheap - 10p.
Portable, light.
Read only.
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Where and what can NFC be used?
Trains - pay for tickets.
Shops - pay for shopping via mobile/touch and go.
Impulse buy.
Schools - students enter classroom and register themselves.
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What are the disadvantages of video calling?
No personal touch.
Relies upon internet connection - must be fast enough.
Connection can be poor - sound/picture.
Expensive equipment.
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What devices run Google’s android?
Smart phones.
Tablets.
Netbooks.
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What is communications monitoring used for?
IM/voicemails and call logs can be recorded. Employer can check they’re being used correctly.
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What is the home firewall setting when connecting to the internet?
Select this if connection is trusted and you want to allow computer to send and receive info from other computers connected to network.
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What are the disadvantages of teleworking for employers?
Difficult to monitor.
Security risks on data.
Employer pays for staff IT.
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What are examples of pressure sensors?
Car park barriers.
Burglar alarms.
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What is homeworking?
Using internet/wireless tech to work from home as opposed to normal place of work.
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What are some examples of verification checks?
Entering data twice.
Checking data on screen against paper document.
Printing out a copy of data and comparing print out to original paper document.
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How are chat rooms used in business communications?
Like instant messages but more public - open way of communicating.
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What is a computer virus?
Something which is designed to replicate and cause damage or harm to a computer
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What are the 3 main areas of the computer misuse act?
- It is illegal to access unauthorised data e.g. Hacking
- It is illegal to access unauthorised data with intent to commit a crime
- It is illegal to access unauthorised data and change it e.g. Planting a virus and deleting files
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What are shortcuts and large screen resolutions and what are they used for?
System shortcuts make some tasks easier. Changing screen size to make everything bigger helps VI.
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What is the work firewall setting when connecting to the internet?
Select this if you trust connection and other people connected, with caution that other computers may not be totally secure.
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What are the issues with downloading music and copyright?
Increasingly popular way of purchasing music.
Can buy specific tracks and use on range of devices/stream throughout home.
BUT…
Easier to make copies.
More illegal downloads.
No original copy so if file is lost - new purchase needed
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What are the implications on a business of data misuse?
Legal action from Information Commissioner (DPA). Increased costs to resolve issues. Loss of income. Brand in disrepute. Customers leaving.
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What are .csv files used for?
Transferring data from one system to another
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Why is firewall needed?
To prevent nasty spyware or hackers trying to get into computer and to stop viruses which may infect computer from sending personal info out of computer.
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What is a microphone input for?
Giving voice commands to a computer (e.g. Siri)
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What factors affect choice of systems?
Cost Availability Needs Security (CASE)
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What is an operating system?
Something every computing device has to have. Allows us to interact with computers. Controls everything computer does.
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When businesses protect data how do they monitor systems?
Systems checking - regular monitoring
Checking of audit logs - audit trails
Looking at transaction logs
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What is the cloud?
Allows people to work together in real time on a project. Changes made instantly appear on everyone’s screens using file. People can work from anywhere.
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Why is disk cleanup needed?
Removing software and files keeps computer running effectively and ensures you save disk space.
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What are examples of tilt sensors?
Mobile phones.
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How do sound sensors work?
It detects if noise is too loud and alerts someone.
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What are the features of a netbook?
Small screen.
Very light/portable.
Long battery life.
Web cam.
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How can a business lose data?
Accidental loss, corruption (data becoming damaged), data stolen.
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Why do computers encode data?
Takes up less storage space.
Faster to enter/type.
Easier to check with validation.
Faster to use and send data (smaller file size).
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What are speakers used for?
Hearing sounds/music.
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Where would a router be used?
Anywhere where Internet needs to be shared (home, business, school)
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What is communications monitoring?
Messages, dates, times, length of calls, conversations, voicemails etc.
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What are the main features of a modem?
Connects to Internet connection.
Speeds can vary.
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What are the disadvantages of teleworking for employees?
No home/work divide. May become distracted. Little social interaction of work. Difficult for motivation. Increased home running costs (electric etc.) Feel isolated
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What are .wav files used for?
Full high quality sounds
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What 4 main features do most OS have?
Windows
Icons
Menus
Pointers
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What is mobile phone triangulation used for?
Like GPS - can be used to track location at any given time.
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How does a barcode work?
Unique number based system on products. When scanned, number is checked in a database to find details of product.
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How does RFID work?
Uses small chip under packaging/inside clothes. Contains info such as item name, price, expiry, area bought from etc. When RFID reader passes near it, chip is powered and info is read.
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How does a shared drive work?
Files can be placed on a shared drive on a network allowing multiple people to read files, or even write to them, so everyone can work on a central document.
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What are .mp3 files used for?
Compressed music
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What are the main features of external hard disks?
Portable.
Store a lot of files.
Inexpensive.
Ca be easily broken.
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What are 7 ways employees can be monitored?
GPS. Internet logging. Communication monitoring. System monitoring. Cookies. Key logging. Mobile phone triangulation.
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What are examples of sound sensors?
Security systems or in public houses.
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What are examples of data security measures?
Password protected Restrict access (access levels) Backups Read only Encryption
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What are comments?
People can insert comments when they review documents. They appear at side of document for creator to read and respond to.
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How would a pressure sensor work in car parks?
When car moves over pressure pad, barrier in car park raises.
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What are the advantages of teleworking for employers?
No office spaces needed.
Less staff - cleaner etc.
Less likely to have staff sickness.
Ability to employ globally - wider employable market.
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What are the 4 main OS?
Windows.
Apple iOS.
Google’s Android.
Mac OS X.
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What are .wma files used for?
Music to be played back in Windows Media Player
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What are the main features of DVDs?
Large capacity - 4-8GB.
Good quality.
Read only (cannot overwrite).
Portable, light, cheap.
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What are open file formats?
General formats which don’t need one specific software package and can be adopted and used by any developer.
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What are .doc files used for?
Word processing documents made in Word.
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What are the basic features of an OS?
WIMP (Windows, icons, menus and pointers). Search facilities. Help. Personalisation (backgrounds etc). Disability access. Touch? Drag? Storage. Sound.
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How can phishing be prevented?
Don’t respond to requests for personal information. Never give out personal information online. Report and delete phishing emails.
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What is a presence validation check?
Checks there is something there e.g. Mandatory fields.
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How is online verification done?
Enter data twice (e.g. Passwords) - double keying. Double checking (proof reading). Verifying you're human to prevent bots or automated sign ups - uses CAPTCHA.
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How is instant messaging used in business communications?
Multiple people can chat all at once in real time from different locations.
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What is phishing?
Something like an email which pretends to be from a real company, trying to persuade you to do something (like visit a website and enter personal information). It appears real but it is in fact a fake copy.
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What is the major benefit of diary management software?
Accessible on range of devices by multiple people.
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What is the keyboard?
Most common way of quickly typing text into computer
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What are examples of access security measures?
Usernames and passwords
Password policy
Access rights
Firewalls
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How can Internet logging be used?
At work or remotely - every website visited is logged with date, time and name. This checked with employer to ensure using websites and appropriate ones.
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What are .xls files used for?
Spreadsheets made in Excel
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What 4 factors affect choice of system?
Cost, availability, needs and security.
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What are the main features of memory cards?
Large capacity.
Cheap.
Small and portable.
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What happens if a business uses something they have not got permission to use?
- Loss of confidence by consumers
- Could be prosecuted
- Brand name in disrepute
- Fine/sued
- Forced to withdraw product
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What causes back problems?
Sitting in an awkward position at a computer.
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What is encoding?
Shortening what is entered into a computer system when inputting data.
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What are the features of a laptop?
Large screen.
Full keyboard.
Touchpad mouse.
Full computer.
Portable.
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What are 5 types of peripherals?
Bluetooth, USB, FireWire/Thunderbolt, HDMI or VGA and infra-Red
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What is a proprietary file format?
Created and owned by a company and can only be used properly in the software they create.
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How does a tilt sensor in a mobile phone work?
If phone is landscape, screen rotates for you.
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What are the more advanced features of OS?
Manage memory. Save, print. Provide interface. Shortcuts for experts. Run software. Communicate with devices. Process inputs.
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What happens if someone illegally uses products from a business?
- Loss of sales
- Unemployment
- Company has to pay legal expenses to prosecute
- Increased prices for consumers
- Fewer products produced due to smaller budgets
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What are USBs?
Standard technology on most computers that allows lots of different things to connect to a computer
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How can RSI be prevented?
At least 5 mins break every hour. Mouse bags, keyboard rests, wrist supports. Keep elbows close to your side.
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What are the features of Apple iOS?
App Store. Music. Camera. Bluetooth. Email/internet. 3G/WiFi iCloud. Siri voice control.
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What causes eye strain?
Sitting too close to the monitor (VDU). Bad lighting. Spending too much time on the PC. Flickering screen.
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Who created .ppt files?
Microsoft
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What is the purpose of a laptop?
Business people use in multiple locations.
Students use between home/college.
Office/multimedia/gaming.
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What is teleworking?
Using internet/wireless tech to work from different locations apart from place of work.
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What are data users?
People/organisations who hold data
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What are examples of touch sensors?
Mobile phones.
Touch screens.
(Everywhere)
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What is a denial of service attack?
Where a computer system is attacked by a large number of computers trying to access it any one time (e.g. 1 million attempts a second); causing the computer to deny access to any services. A bit like when someone gets overwhelmed or frustrated.
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What is the purpose of a smartphone?
People who need a phone and business utilities (emails, web, calendar).
Entertainment and other apps on go.
Socially: use social media on go.
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What makes a bad password?
1 word/simple All one case Something related to you One which is written down Never changed
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How is voice used in business communications?
Can quickly contact employees to discuss something directly and ensure message is understood.
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What do CAPTCHA checks ensure?
You are a real person and not a scammer or automated computer trying to hack.
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What does utility software allow us to do?
Manage specific parts of our computer
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What is system monitoring?
How long not working, how much work done, software used etc.
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What are the key features of diary management software?
Create appointments/meetings.
Invite people to appointments.
Create tasks/to-dos.
Set reminders.
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What is a screen used for?
Displaying info
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What would a modem be used for?
Connecting a physical place to the Internet.
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What can a touchscreen be used for?
Interacting with a computer
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What is a firewall?
Piece of software which controls what info comes into computer and what leaves computer based on series of rules.
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What does video conferencing allow?
Multiple people at different locations to communicate via video and audio.
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How does NFC work?
Small chip located in electronic devices and in readers. When two come into close proximity, info is read.
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What are employer regulations (law) for the health and safety at work act?
Employers must:
Provide tiltable screens and anti glare screen filters.
Provide foot supports.
Make sure lighting is suitable.
Make sure workstations are not cramped.
Plan work at a computer so that there are frequent breaks.
Pay for eye tests by an optician
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How are blogs used in business communications?
Like a diary where employees can publish work publicly/privately for others to review.
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What is the mouse used for?
Moving around a computer
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What is an input device?
Something which lets you put info into a computer
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What factors affect choice of data capture methods?
Cost Availability Data security Ease of use Nature of data collected (CADEN)
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What do firewalls prevent?
Unauthorised access from outside
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What are the main features of magnetic tape?
Large capacity.
Portable.
Can be overwritten.
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What is a FireWire?
Like a Really fast USB connection that allows you to transfer multimedia really quickly.
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Where could RFID be used and what for?
Supermarkets to stock take items and check items going out of date. Delivery companies can track parcels being delivered.
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What are the 5 types of validation checks?
Type check. Range check. Presence check. Format check. Length check.
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What are the main features of cloud storage?
Access anywhere.
Requires Internet connection.
Easily share with people.
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What do access levels do?
Give different people different levels of access
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What is a sound sensor for?
Noise levels
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Where are some examples of encoded data?
Registration plates.
Flight names.
Signs.
Company names/charities
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Who would use external hard disks and what for?
Mobile users, businesses, teachers, students who need access to files on move without having to rely on Internet connection.
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What is a heat sensor for?
Temperature
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What are the implications on a customer of data misuse?
Reduced confidence. Increased risk of identity theft. Increased phishing. Vulnerable. Credit rating affected.
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What is the purpose of Apple iOS?
Downloading and running apps on go via App Store can be used for entertainment, business or social purposes.
Entertainment devices.
Business - can use calendar, email and Internet features
Socially - social media links and built in camera
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What is text to speech (screen reader) and what is it used for?
Computer can read out what is on screen for user which is useful for VI
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What is a physical threat?
Things like data stolen, computers removed or people accessing data they should be and selling it on.
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What are examples of heat sensors?
Greenhouse/home central heating.
Fire detection systems.
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What is systems monitoring used for?
Can notify employer if you stop working and note duration. Can ensure not too many breaks taken and measure words per minute (productivity rate) to ensure working fast enough.
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What is a length validation check?
Ensures info is specific length
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How is VOIP used in business communications?
Using Internet to make voice calls. International and much cheaper than phones.
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What is a projector used for?
Displaying info from a computer for an audience on a large screen.
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What is a light sensor for?
Level of light
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What is GPS?
Signal provided by phone/device. Using satellites to track location. Coordinates used in 3rd party software to determine employee location on earth.
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What are the features of a ultra book?
Very thin.
Large screen.
Very powerful.
Long battery life.
Wifi.