Learning aim A Flashcards
what is a desktop computer
a computer that isn’t portable, used to process more powerful server, doesn’t have a battery life as is always plugged in
what is a laptop
a portable computer, has a battery life.
what are mobile devices
it is a term given to an digital devices which can be carried around easily and has WIFI enable on it
example of mobile devices
apple phone, Samsung tablet.
what are servers
provides services for other computers in the network. they are used to store data files centrally, but can also store software centrally to make more storage space on a PCs
example of server
the cloud, term used to mean servers that are separated from the user, often offer as some of storage service
what is an entertainment systems
multifunctional comprising sound and vision. can operated from a central server, known as a digital media server.
what does entertainment systems manage
music and video file, which contain large amount of data.
What is picture on a digital camera
Still photo and it take up less storage
What’s a video on a digital camera
Moving images - includes sound and can be edited to have subtitles
What is a navigation system
Uses a GPS to helps you find your location and navigate to their destination
What information navigation system give
If there is traffic congestion, road works, accidents and weather
What is data capture and collection systems
Takes info and collects ls to perform a specific take. Known as electronic data capture(EDC)
Examples of data capture and collection system
Credit and debit card readers for transaction.
Iris and fingerprint recognition system for biometric entry.
Barcode readers for fast data entry like checkouts
How can interactive whiteboards used in education or training
Able to write down questions for students to answer or write over doc to explain class
How can a mobile phones used in education and training
Do a quiz or to communicate with teachers after school hours also to see school content without a laptop.
How can use a VLE in education and training
Used for studying at a convenient Time or to complete a task idenpedently
How to communicate online
Using messaging apps to text family or friends to keep in touch with who lives far away
How to do banking online
Having a banking app that tells you how money you have what transactions there are. Easier to know without going to the bank
How to shop online
Apps from specific brands to shop from shopping online is a lot easier than going to different shops Save time and money
What are Information sources
Looking up something on the Internet, such as Google
How to be secure online
Consider reliance and security having your password protected to no one can steal it
what is social media
It revolved around people digital devices that anyone and everyone can access. Used for multiple purposes like seeing the daily news, connect with friends and family
Why people use social media
To connect with friends and family, interact with people post, keeping up to date with the news.
What was the negative of social media
Can hurt people feelings, leading develop serve mental issues. Could get hacked, or seeing misleading content(fake news)
How can supermarkets use digital devices
Use it to track stock automatically from factory to store
Why use contactless payment systems
Has security system that can track down and identify people by their facial features
Hey use automatic ordering
Order what they want online and then they deliver it to the customers
What is a ATM
A system where you put your card and select the amount of cash you want to take out- located near retail stores
Why use loyalty cards
Encourages customers to sign up their card, which gathers data on our preferences, use the data to send to customers enticements to buy again
What is administration in a business
Use to protected from compulsory liquidation or other legal recourse
What does administration have access to in a business
Accounts, ales, stocking taking and procurement
Why use design computers in a business
It is a computer-aided design software to create their technical drawings
What is manufacturing and construction in business IT system
Uses CNC which is a computer numerically controlled machines are automated using software programs to carry out precision production of parts used.
Why do media music and film industries use digital devices
They used a computer-aided, which created CGI for films or music videos or sounds effect, films can be watched off a lot of digital devices like a phone, tablet, TV
Why does gaming industries digital devices?
It used for a form of entertainment, games can be played on mobile phone, tablet, computer and gam console like a PS5
Example of input devices
Keyboard, mouse, webcam and barcode reader
Examples of output devices
Printer, monitors, and speaker
Examples of storage devices
External hard drives, USB, SD, optical disks DVDs
How are barcode readers used
Linear - supermarket handheld scanners
What is QR
It scans different barcodes to see what the item to see how much they need to charge
What are RFID tags used for
Inventory management, tool tracking, asset tracking and equipment tracking
What is microphone used for
Used in conjunction with a webcam. Allow users to transmit sounds across the internet or to give commands to the computer using voices
what is manual data processing
doing the whole process of inputting and outputting data without use of electronic devices. like customer data entry.
what is automatic data processing
the use of technology to automatically process data, like data gathering and data collection
What’s are the types of operating system
Single user- single task. Single user- multitask. Multi user.
Whats is a single user, single task
Where the system can only run on user application at the time, example a basic mobile phone. (Flip phone)
What is single user, multi tasking
Systems that deals with multiple application running at the same time, example is smartphone allows to listen to music whilst using different apps.
What is multiuser
Enable serval users to operated the same, or different software at the same time, example cloud server allows users to use the same doc
Whats is managing network
Controls access to resources and devices on a network. Includes tasks like managing remote printing, user management
What is security of OS
Runs ongoing checks for attacks to the system and its software, gathering data which is analysed to. Form a huge amount of intelligence about the health of the IT system
What is memory management
Controls and coordinates a computer’s memory. Dealing with how computer manages its data in terms of both where it is located, ensure applications run smoothly by allocating resources to them as needed and freeing up space, that are not in use
What is virtual memory
Enables data that is in RAM and currently being used to be transferred to the hard drive
What are interrupts
Signal emitted by a device attached to a computer or form a program within a computer
What are managing multi-tasking
Provides info about your system, like how much storage is left or battery life.
What are device drivers
Manages the peripheral devices by using a driver to link the digital devices with the peripheral devices
What is real time operating system
Guarantees real time application a certain capability within a specific deadline does not affect massively, no noticeable by people
What is a user interface
The user and a computer system interact, the use of input devices and software.
What is GUI
Graphical user interface
Examples of a GUI
Microsoft, macOS and GNOME shell for desktop
What is a WIMP
Windows icon menu pointer
What does WIMP do
Where you have multiple windows opens, icons shows the users what ap does, menu has multiple icons for easy access. Pointer where you point different things
Whats is a command line interface
Shows where programming code is typed on the computer, informing OS what to do next.
What os menu based interface
Provides different ways to perform functions, requiring less memory than GUIs
What is an adaptive interface
An interface has been adapted to fit the needs of a specific device like mobile device, the interface will be smaller to fit the screen
the ease of use for GUI
easier to use, more navigable website
ease of use for CLI
harder as you have to remember specific commands for it
speed of GUI
slower as it requires more computer memory
speed of CLI
faster as all the processing power is directed at completing the required task
memory of GUI
Takes up more memory bc it needs to store and manage visual elements like buttons, icons, windows, and colours, requiring additional data processing and memory allocation to render those graphics on the screen
memory of CLI
take up less as it doesn’t use much of CPU processing time
multitasking of GUI
yes can have multiple windows open
multitasking of CLI
can be done through coding
news versions of GUI
regular updates to improve the system
news versions of CLI
only updates if you puts commands in
how to fix security issues
you would need to directly interreact with the operating by using operating tools, there are often accessible GUI in modern day
how can productivity affect the choice of OS
allows users to operate a computer through the selection of graphical icons, helping the user to use their computer without need programming knowledge and limited computer skills
how can cost affect the choice of OS
can vary due users choice
how can memory Affect The Use and Performance of an OS
if multiple windows are running at the same time. the system will use significantly less memory and processing power, however the amount of data analysis performed will increase memory use
how can ease of use Affect The Use and Performance of an OS
if using single- use multi-tasking it is easy for that user to use multiple windows at the same time. also mutli-user is quicker for everyone using that server as all users have access to the doc to use when they need
how can processor speed Affect The Use and Performance of an OS
the speed of the system may be slowed as users often use multiple windows at the same time meaning using more processing power slowing the overall rate
