Personal digital devices Flashcards
Name 3 digital devices
Mobile phones
Tablets
Laptops
Digital devices are used for what?
Communication
Name 3 software’s that allows you to communicate on a digital device?
Social networking sites
Test messages
Email
Name 3 examples of people using digital devices as leisure?
1) Playing games with computers or consoles
2) Taking photos and videos with digital cameras
3) Downloading music
Name 2 ways people use digital devices for travel?
1) Finding routes using GPS
2) Geo tag images
Explain how having access to the internet can enhance a person’s work life?
1) Collaborate with work colleagues easily
2) Thanks to teleconferencing and video conferencing they have to travel to fewer meetings saving them time.
3) Improved technology and devices means that it is easier to work from home which saves time.
When choosing a digital device name 5 factors that you have to consider?
1) Cost
2) Convenience (size, weight)
3) Storage capacity/memory
4) Connectivity (does it have Wi-Fi? Bluetooth?)
5) Battery life
What does portable computer mean?
Designed to allow the user to use the computer on the move e.g. laptop notebook.
What do all digital devices contain?
A processor
What is a processor?
It controls all the functions of the device.
The higher the processor means what to the device?
The faster the device will operate.
what is Processor speed measured in?
Megabytes(MB) or gigabytes (GB)
What is internal memory?
It is data stored in a digital device.
What is internal memory measured in?
different devices have different amounts of internal memory which is measured in bytes.
What are the two types internal memory usually stored in?
RAM (loses data when turned off)
Rom (read only memory)
what is hard disk drive?
This stores all the software, files and data.
Do computers store hard disk drive or flash memory?
High capacity hard disk drives to store terabytes of data.
What is hard disk drives usually measured in?
Its size is measured in bytes (usually gigabytes).
Why do Hard disk drives do not feature in portable devices?
They contain moving parts and can be easily damaged.
What is a Peripheral?
Are additional devices that can be added to your personal digital device.
What is Flash memory?
It is added memory/ storage to a digital device.
Give 3 reasons why flash memory is ideal for digital devices?
1) doesn’t lose data when turned off
2) it has no moving parts so cannot be easily damaged
3) it is removable and can be used to transfer data between devices.
Name 5 types of flash memory?
1) SD card
2) SDHC (high capacity)
3) USB
4) Micro SD cards
5) SDXC (extended capacity)
How much data does a SD card store?
Up to 4GB
How much data does a SDHC card store?
Up to 32GB
How much data does a USB stick store?
Up to 256GB
What are Micro SD cards used for?
Smaller devices
How much data does a SDXC card store?
Up to 2 TB.
Mitch could use a DVD or CD drive to back up his video files. State one reason why DVD is more suitable?
DVDs have a larger storage capacity.
Identify one local storage device, other than a DVD or CD drive, that could be used for backups?
USB
Suggest two reasons why SD cards are suitable for personal media players?
1) No moving parts and do not easily get damaged
2) Can be used to transfer data between devices
1000 bytes equals how many kilobytes?
1 KB
1000 kb equals how many megabytes?
1 MB
1000 megabytes equals how many gigabyte?
1GB
1000 gigabytes equals how many terabytes?
1 terabyte.
Is a charger a peripheral device?
No
Peripheral devices can be categorized in 3 ways which are what?
1) Input devices
2) Output devices
3) Storage devices
What are input devices?
Allows users to give instructions to the device or input data.
Name 5 input devices?
Mouse Keyboard Controller Microphone Joystick (for gaming)
What are output devices?
Output devices allow users to see or hear information.
Name 4 output devices?
Speakers
Headphones
Printer
screen
Jo has a new game console. State two input devices that she might use with it?
Joystick
Controller
List two peripheral devices that could be connected to a personal media player?
Headphones
Speakers
Digital devices can connect with each other and also do what?
Share data
What is the most common method of data cable connection?
USB cable
How can a phone connect to a computer?
Using a USB cable to transfer information
What is Bluetooth?
It is a way of allowing devices to communicate wirelessy.
Bluetooth communicates with different devices other what type of distances?
Short distances using radio waves.
How can devices connect to speakers?
Devices can be connected to Bluetooth-enabled peripherals such as the speaker
What is Wi-Fi?
It is another method of wireless communication using radio waves
What can wi-fi enabled devices communicate other?
Long distances
What is does wi-fi allow?
allows devices to connect to wifi enabled peripherals such as printers
What is synchronization
When two device, such as a media player and a computer are connected, they can automatically exchange data.
What is cloud synchronization?
Allows data to be stored on a remote server and can be accessed from all your digital devices.
Because now computers laptops are wifi enabled devices cloud computing servies such as Apple’s i Cloud does what?
allows them to store all their data files such as music on a remote server, allowing them to access their files from all their digital devices.
List two methods of wirelessly connecting a media player to a computer.
WiFi
Bluetooth
A user is considering buying some wireless external speakers. Explain why Wi-Fi enabled speakers might be better than Bluetooth?
Wifi enabled speakers have a greater range than Bluetooth which means that the user could have more options for placing around the house.
Modern smartphones are an example of what?
A multi-functional device
What is convergence?
When one device is developed to carry out functions that were performed by several different devices.
Name 2 uses of Multi-functional mobile phone?
1) Internet browsing( stream music and videos)
2) Entertainment( play games)
Stephen normally uses his mobile phone to make voice calls and send SMSs. He has now purchased a smart phone. List two additional ways in which he cab use his smartphone to communicate?
Emails
Multimedia messaging service (MMs)
Describe one feature of modern mobile phones that has improved the user experience when watching movies?
Improved screen resolution means that the movies look better on the mobile phone.
What is roaming?
Using your mobile phone abroad
What is a network band?
Mobile phones have different networking bands or frequencies in different areas of the world. To be able to connect with a phone on a different frequency, the phone needs to be able to receive one or more frequencies. A phone can be:Dual band - picking up 2 frequencies, Tri band - picking up 3 frequencies,Quad band - picking up 4 frequencies.Having a quad-band phone allows you to use it in 5 different countries
Name 4 types of security which can be used to keep a mobile phone safe?
1) hide the phone
2) set a pin, password or bio-metric lock
3) Restrict Bluetooth usage
4) Record the unique IMEI number
How does recording your IMEI number ensure safety?
the mobile service provider can block the phone using this number if it’s stolen.
How does restricting Bluetooth usage ensure safety?
“Bluejacking” is where people nearby send anonymous messages via Bluetooth when the user has left Bluetooth on.
Name 3 ways you can use mobile phones for a responsible use?
1) Don’t overuse- you could get repetitive strain injury
2) Don’t use a mobile phone whilst driving
3) Don’t send inappropriate/bullying messages
What are the 3 things to consider when choosing a mobile phone?
1) Who is it for
2) What will they use it for
3) What peripherals do they want to use with it (docking station)
What are the 4 types of personal computer?
Desktop computer
Laptop computers
Netbook computers
Tablet computers
Name 4 features of a Desktop computer?
1) Powerful processors
2) Can have Bluetooth and Wi-Fi card fitted for wireless communication
3) Good connectivity (USB, HDMI)
4) have hard disk drives and optical drives such as CD and DVD drives as storage devices
Name 3 features of Laptop computers?
1) monitor, pointing device and webcam built in
2) have hard disk drives and optical drives such as CD and DVD drives, and slots for SD cards
3) Good connectivity(USB, HDMI)
Name 4 features of a Netbook computer?
1) strong and robust
2) small and lightweight
3) tend not to have hard disk or optical drives
4) designed for using the internet and cloud computing.
Name 4 features of a tablet?
1) Very light and portable
2) Touch screen interface
3) On screen keyboard
4) Bluetooth, Wi-Fi and 3G for wireless communication.
Sarah has a netbook which she uses on long train journeys. Give two features of netbooks which make them suitable for people travelling?
1) Light and portable
2) Long battery life
List two peripherals Sarah might use when travelling by train
Flash memory stick
2) CD ROM (a compact disc used as a read-only optical memory device for a computer system.)
Give two benefits to a school of issuing all students with netbooks?
1) Relatively inexpensive
2) Fits easily on the desk alongside textbooks
Name 5 things to consider when buying a new computer?
Processor speed RAM Storage capacity USB ports Battery life
Why do you need to consider the processor speed when buying new computer?
a quick processor means a fast computer.
Why do you need to consider RAM when buying an new computer?
more RAM (memory) will mean more applications can run at once.
Why do you need to consider storage when buying a new computer?
higher capacity means more files can be stored.
Why do you need to consider USB ports when buying a a new computer?
many peripherals use USB connections
Why do you need to consider Battery life ports when buying a a new computer?
for portable devices, long battery life means less frequent charging.
What is Ergonomics?
it is the science of designing equipment so that it is comfortable and user-friendly.
Name 4 health risks when using a computer?
1) Eye strain(looking at screen to long)
2) RSI (performing repeated actions)
3) Neck and back problems
4) Pain in knees and legs
name 3 waysMore modern cameras/camcorders allow users to do what?
1) Zoom in using optical or digital zoom
2) Take photos/record video and sound
3) Store files with SD and micro SD cards
What is a digital zoom?
Doesn’t really zoom- just crops and enlarges part of an image, which can affect image quality
What is a optical zoom?
Moves lens away from the sensor( such as light) and closer to the subject, bringing light from the subject closer.
What is Resolution?
the number of pixels in an image
A higher resolution means what?
the more detail the image is
Name 2 uses for a LCD screen on a Cam-recorder?
1) to view what is being recorded
2) to preview/ review the footage
Name 2 features which is useful on a camrecorder?
1) GPS receiver
2) Wi-Fi
What does a GPS receiver do?
allows the place an image/video was taken to be stored in metadata.
What is metadata?
a small text file stored with each image giving its details. of a digital item.
How is wi-fi used in a Camrecorder?
this allows users to email pictures or upload them directly to online photo galleries (on Flickr or Facebook, for example)
What is a Geo-tag?
Stores the exact location of where a video was recorded.
Alice is touring Europe for a year and wants to upload videos to her blog for friends to watch at home. Suggest two features of a cam-recorder that would be useful to Alice?
1) has a long battery life and does not need to be charged often
2) Wi-Fi for uploading videos to her blog
Suggest a reason why geotagging is useful?
For reference, so that you can see where videos were taken.
Some digital cameras now have Wi- Fi connectivity. State one potential use of Wi-Fi connectivity on a digital camera?
Users can use wifi to upload their photos.
What are media players?
Are music/video players like i Pods.
Name 3 features of a media player?
1) They are small, light and easy to carry
2) They use solid state memory so they don’t skip when playing songs
3) Long battery life
What are file format does sound have on a media player?
MP3 and WMA for Audio (sound)
What are file format does still images have on a media player?
JPEG, GIF and PNG for images
What are file format does Video have on a media player?
MPEG-4 and MWV for video
Name 2 security features that a media player offers?
1) reactivates only when you have entered correct password or bio-metric authentication.
2) Uses anti-virus software.
What does DRM stand for?
Digital rights management
What does DRM do?
Means that some files downloaded to media players cannot be copied or transferred to others., preventing illegal copying.
What type of connectivity does a Media player have?
Wireless transfer using
Wi-Fi
Bluetooth
Infrared
List two peripherals Emily could use with her personal media player
Headphones
Speakers
Why do most people download audio and video files?
To store and play on their media players.
Name 2 other features of a media player?
has a HDMI port
USB port
What is streaming?
Streaming means listening to music or watching video in ‘real time’
What is Downloading?
usually end up as a file on a device which you can open the file and listen to it whenever you want.
Name 2 advantages of streaming rather than downloading
1) Uses less storage space
2) saves time as user doesn’t want to wait to download a file to play it.
Name 2 disadvantages of streaming rather than downloading
Video is not available to watch offline
video might freeze
Name 2 advantages of downloading rather than streaming.
1) Can use it offline
2) Plenty of legitimate sites where you can get safe downloads
Name 2 disadvantages of downloading rather than streaming.
1) Uses a lot of storage space
2) can take a long time to download
What is a video game console?
is a computer than enables games to be played on television or through a digital projector.
Name 4 peripherals devices for a video game console?
Wireless controllers
Wireless headset
Speakers
Motion sensors (for hands free gaming)
Name 3 features of game consoles?
1) High resolution output for high definition games
2) CD, DVD and Blu-ray optical drives
3) Connectivity - USB, Bluetooth, wifi and Ethernet network cable
Give two advantages of buying a computer rather than a games console
1) The computer can be used for work and running other programs but games console can only be used for playing games, watching movies and online surfing.
2) Can use a computer screen but a games console has to be connected to a TV or monitor.
Name 4 health risks of playing computer games and using games console
1) Overuse injuries( pressing buttons lead to RSI)
2) Obesity
3) Muscle and joint problems (being in the same position)
4) Eye strain (eyes become fatigued when focused at the same distance for long periods)
Outline one reason why playing games online can help a person develop social skills?
Play in a team encouraging conversation
State 3 points for the statement that playing video games is very beneficial?
1) Playing games at home environment prevents people from getting into trouble outside
2) Can improve thinking, problem solving, reasoning and memory
3) Keeping track of objects and characteristics in a game can also improve visual attention skills and increase attention spam.
Name 3 features of Digital television?
More channels than analogue TV
High quality pictures and sound
Greater control: save programmes and pause live TV.
List two ways in which digital television signal can be delivered to the home.
1) By satelite
2) By cable
What does Apple TV allow?
allows users to access the audio and video media stored in iCloud
What is a Digital projector?
Projects HD images from a computer or DVD/ Blu -ray player on to a screen or wall.
What do threatre systems include?
Includes DVD/ Blu-ray player, amplifier and six speakers to provide high fidelity surround sound.
What are Blu ray players?
Play HD movies on Blu-ray disc which can store up to 50 GB
What are Personal video recorders?
Contain a hard disk drive allowing you to record Tv programmes.
What is a DVD?
used to store data e.g Movie
What is a CD?
used to store data e.g music CD
What are home entertainment systems?
They are designed to provide high quality audio and video throughout the house.
Name 3 examples of home entertainment systems?
Digital TV
Digital projectors
Home cinema/ threatre systems
As home networks become more common what are now have to do?
they are now able to integrate (combine ) their media devices.
What does DLNA stand for?
Digital Living Network Alliance
What is DLNA?
can access content from PC, camera, smartphone, TV through Hi-Fi without plugging anything or transferring files
Some friends wirelessly display images from their phones on their television describe how they might do this?
Connect to the wireless network pair the device to allow data sharing and allow the images from the phone to be accessed by the TV.
What is a definition of a Home entertainment system?
Any combination of devices used in the home for purposes of entertainment
What do Sat Navs use?
They use GPS to plan routes
What does GPS stand for?
Global positioning system
State the function of GPS?
Gives you an accurate location of where you are by receiving signals from the network of satellite
Name 3 things other than giving directions that Drivers use Sat navs for?
1) Check their speed
2) Warn about speed cameras
3) Find conveniences such as petrol stations on route
Name one health and safety risk of using a sat nav whilst driving?
Drivers may take eyes off the road causing an accident while trying to adjust different route.
How do Sat Navs help reduce accidents?
By speaking directions to the driver and showing the road ahead.
What is a Bookmark a location on a sat nav?
This is a method of storing or saving a link to a sat nav. The bookmarks are listed making it easy for you to return to that location on sat nav
When Shameela drives through a road tunnel she notices that the display on her sat nav freezes. State what might of happened?
Loss of signal
What is Convergence?
Convergence is when a digital device takes on the functions normally found on another device
How is convergence used for GPS?
GPS, for example, is now found on Smart Phones and sales of Sat Navs are falling because of this.
What are 2 advantages of using a smart phone rather than Sat nav?
1) You are more likely to be carrying your phone rather than the Sat Nav
2) Phones are often smaller, lighter and easier to carry around.
What are 2 disadvantages of using a smart phone rather than a sat Nav?
1) Using GPS on your mobile phone runs the battery down.
2) Your phone will not always update fast enough which could lead to missed instructions
State two reasons why Molly might want to buy an SD card for her sat Nav?
1) She wants to update the maps she already has.
2) She has run out of space to store extra maps.
State two advantages of using a sat nav rather than printed instructions?
1) Shows estimated arrival time
2) Can be voice activated
Give one advantage of organisations giving their employees portable devices?
Allows greater collaboration between workers at different sites
Give one disadvantage of organisations giving their employees portable devices?
Puts organisations at greater risk of hackers stealing or corrupting data.
Name 2 things the introduction of computers had an impact on?
1) the number of employees needed.
2) the skills the employees need
As more and more customers use digital devices, name 3 ways companies make a strong online presence?
1) Viral marketing ( videos uploads to advertise)
2) Website
3) Blog
Tina is a sales rep who travels most of the week. State 2 ways she might use her smartphone to communicate with people while travelling?
1) Use Bluetooth to allow her to speak to customers why driving
2) Use 3G or wifi in a hotel to text with colleagues
List three positive effects of the use of digital devices in education?
1) Internet allows students to research online better
2) Virtual learning environments ( VLEs ) allow students to access learning resources, view lesson plans and hand in homework using digital devices wherever they are in the world.
3) Specialist software for learning in subjects such as languages.
