19. It is the brain of the computer which processes all instructions given to it. a. Central processing unit b. Folder c. printer d. projector


20. Displays computer information on a big screen. a. Projector b. Printer C. Monitor d. windows 8

21. To be able to connect modem to the computer you need ? a. VGA port b. Serial port C. LPT port d. Ethernet port.

22. A machine that prints on paper the data that is processed in the computer. a. Projector b. Printer C. Monitor d. windows 8

23. It is used to type letters and numbers into the computer. a. Projector b. Printer C. Monitor d. keyboard​