GCSE Computer Science Revision 4

123456789101112131415161718192021222324
Across
  1. 3. Algorithm which repeatedly divides the search interval into half
  2. 4. A division which gives the quotient
  3. 8. Search which checks every element in a collection one by one
  4. 9. Type of programming language that allows direct interaction with the hardware
  5. 12. Covers a small geographical area
  6. 14. Convert high-level code into machine code that the computer can execute
  7. 16. A group of computers and other devices that share resources and information
  8. 17. Rules of a language
  9. 18. Reads the whole program and turns it into machine code
  10. 20. Saves results of calculations carried out by ALU
  11. 21. Must be done before you can read or write to a file
  12. 23. Checking inputs before they are used in a program
  13. 24. Network device that connects multiple networks together and routes data between them
Down
  1. 1. Repeatedly steps through a list comparing and swapping if they are in the wrong order
  2. 2. Allows wireless devices to connect to a wired network using Wi_Fi technology
  3. 4. Breaking a lang problem down into smaller parts
  4. 5. A sequence of hexadecimal numbers uniquely assigned to each network device
  5. 6. A short-range wireless technology standard used for exchanging data over short distances
  6. 7. Do this after you have read from or written to a file
  7. 10. Makes programs more readable
  8. 11. Rent/lease telephone lines to transmit data over long distances
  9. 13. Checks user identity
  10. 15. Used to connect multiple devices within a LAN
  11. 19. A division which gives the remainder
  12. 22. Make it easier to add, modify or replace individual protocols without affecting the entire system.