REVISION

4. A field used to uniquely identify a record in a database
5. A method or way of transmitting data without using a physical connection
8. Stored as a list of attributes, rather than a bitmap
10. 1024 Gigabytes
11. When a database contains more than one linked table
12. The fastest and most powerful type of computer
13. Wide area network
14. A check to make sure that an item of data is sensible and allowable
15. Programs that are easy to learn are described this way
19. A secret code that you use to gain access to a computer
21. A stand-alone program which copies or replicates itself in order to spread to other computer systems
22. A collection of information held in multimedia form on the internet
23. A computer that handles requests for data, email, file transfer and other network services from other computers

1. A set of microchips that stores data temporarily lost when the computer is switched off
2. A backing storage device which can be use optical media such as CD/DVD/Blu - ray
3. Used to hold data being processed
6. Compressed video format
7. Useful for process that may be followed in a set order, like slides in powerpoint
8. A program which can copy or replicate itself and infect other programs or computers
9. What separates each part of an HTML document
12. When the rules of the programming language are broken this error type occurs
16. AN IF statement in a high level language is an example of this type of construct
17. Contains rules and conditions which specify what is and is not allowed to pass through
18. Small circuit board that is fitted inside a computer system to allow it to communicate with a computer network.
20. A type of malware which, when installed on a user's computer collects information about them