Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

AQA INFO2 S12

Revision cards for AQA AS INFO2 Transfer of Data (Networks)

QuestionAnswer
What is a Local Area Network (LAN)? A network covering a single site such as a school or office, linked via Ethernet cables or wireless technology
What is a Wide Area Network (WAN)? A network over a large geographical area, such as a multinational company, linked via telephone cables, satellite links or microwave
What is a peer-to-peer network? A small network where computers are linked directly or via a hub or router to enable sharing of files and peripherals (e.g. printer). All machines have equal status.
What is a client-server network? A larger network with a central server that controls access and stores data. Client workstations connect to the server to access data and services.
What are the advantages of a network? (6) Allows sharing of peripherals which cuts equipment costs, allows internal e-mail, can share files easily. Client-server networks also give improved security, centralised backup and allow you to access your files on any workstation.
What are the disadvantages of a network? (5) If the server fails users cannot access their files, extra hardware costs, client-server networks require specialist staff, network performance can be slow with heavy usage or poor set-up, viruses can spread easily if security isn't up to date
What is the difference between the Internet and the World Wide Web? Internet = network of interconnected computers around the world that allow the sending and retrieval of information, including e-mail. WWW = a collection of multimedia resources accessible via the Internet.
Why do we need standards? So that different devices can be connected to any computer system (e.g. via USB standard) and different computer systems can communicate with each other.