Keywords

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Across
  1. 2. Software that detects possible harmful viruses in a computer system and removes them
  2. 3. The number of instructions that a computer can carry out in a second
  3. 7. A screen that produces a visual output
  4. 9. The software that manages the software and hardware on a computer.
  5. 11. Converts paper document into a digital format
  6. 12. The main circuit board in a computer that other hardware connects to
  7. 14. Enables the input of data using labelled keys
  8. 15. The main memory which can only be read and starts up the computer when it is switched on.
  9. 16. Produces a physical copy of the output
  10. 17. Controls the cursor on the screen
Down
  1. 1. Secondary storage device using magnetised platters to store data and files
  2. 4. The computer containing the ALU, control unit and cache memory
  3. 5. Secondary storage that can hold a lot of data e.g. flash drive
  4. 6. Software designed to help maintain a computer system
  5. 8. A collection of parts that work together for a common purpose
  6. 10. Inputs sound into the computer
  7. 11. Produces an audible output
  8. 13. The main memory in the computer that can be read and written to.