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- 1. Multiple ChoiceWhich of the following is computer hardware?MonitorScannerKeyboardAll of the above
- 2. Multiple ChoiceWhich of the following is an input device?A computer monitorA mouseA CDA printer
- 3. Multiple ChoiceWhich of the following is an output device?A keyboardA hard diskA CD ROMA computer monitor
- 4. Multiple ChoiceWhich of the following is a storage device?A CDA laser printerRAM (Random Access Memory)A scanner
- 5. Multiple ChoiceWhich of the following is an input device?A cameraA speakerA flash driveAn inkjet printer
- 6. Multiple ChoiceWhich of the following is an output device?A lift buttonA joystickA laser printerA scanner
- 7. Multiple ChoiceWhich of the following is computer software?Touch screenMicrosoft WindowsPrinterFloppy disc
- 8. Multiple ChoiceA CD isA magnetic storage device read by magnetised read-write headAn optical storage device read by a laser beamA magnetic storage device read by magnetised read-write headA magnetic storage device read by a laser beam
- 9. Multiple ChoiceOn a CD ROMData is written in concentric circlesYou can write data to the disk more than oncePits and Lands are used to represent 1s and 0sAll data is represented in ASCII
- 10. Multiple ChoiceWhat would be a suitable device to transfer 12 photos from one PC to another?A memory stickA CD ROMA scannerA printer
- 11. Multiple ChoiceComputer memory that temporarily stores information is called:CPURAMROMASCII
- 12. Multiple ChoiceApproximately how many cycles per second in 1Gigahertz (GHz)?1001000001 million1 billion
- 13. Multiple ChoiceApproximately how many cycles per second in 1Megahertz (MHz)?10001000001 million1 billion
- 14. Multiple ChoiceWhich of the following is likely to be held in Random Access Memory (RAM)?Start-up instructions used when a PC is switched onA document that the user is typing in WordWashing programs used in a washing machineDocuments deleted by the user
- 15. Multiple ChoiceWhich of the following is likely to be held in Read Only Memory (ROM)?Start-up instructions used when a PC is switched onSoftware such as Word while a user is typing a documentA film loaded from a DVDA document saved by the user for permanent storage
- 16. Multiple ChoiceWhat is the function of the Central Processing Unit (CPU)?To act as a temporary data storeTo act as a permanent data storeTo hold computer programs while they are being executedTo fetch, decode and execute instructions
- 17. Multiple ChoiceMoore’s Law states that:Memory capacity in a computer will double every ten yearsMemory capacity in a computer will double every two yearsProcessor speed can never exceed 10GHzProcessor speed depends on memory capacity
- 18. Multiple ChoiceA single binary digit is known asA bitA byteA characterAn integer
- 19. Multiple ChoiceHow many bits in a byte?248100
- 20. Multiple ChoiceHow many bytes in a Kilobyte (Kb)?1000102410000001048576
- 21. Multiple ChoiceWhat number system do computers use?BinaryDenaryDecimalASCII
- 22. Multiple ChoiceHow many different binary codes can be represented in 2 bits?24816
- 23. Multiple ChoiceThe binary number 1010, converted to denary (decimal) is231018
- 24. Multiple ChoiceThe binary number 00010001, converted to denary (decimal) is:31710110001
- 25. Multiple ChoiceThe binary number 00110011, converted to denary (decimal) is:4335199
- 26. Multiple ChoiceThe binary number 00001001, multiplied by 2 is00010010000010100000010000010011
- 27. Multiple ChoiceThe binary number 0011 0100, divided by 4 is00010100110100000000110100011010
- 28. Multiple ChoiceThe binary number 0011 0100, added to 0001 0010 is01000110001000000010011001110110
- 29. Multiple ChoiceThe binary number 0001 0100, added to 0000 0011 is00111000011100010010011100010111
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