Basic of computer knowledge MCQ

16. What characteristic of read-only memory (ROM ) makes it useful?


A. ROM informationcan be easily updated


B. Data in ROM is non volatile, that is, it remains there even without electrical power


C. ROM provides very large amounts of inexpensive data storage


D. ROM chips are easily swapped between different brands of computers


Answer :B


Solution :



17. The operating system called UNIX is typically used for_______


A. Desktop computers


B. Laptop computers


C. Super computers


D. All of these


Answer :D


Solution :



18. Which file starts MS Word?


A. word.exe


B. msword.exe


C. word2003.exe


D. winword.exe


Answer :D


Solution :



19. Microcomputer hardware consists of three basic categories of physical equipment ____


A. Keyboard, monitor, hard drive


B. system unit, input/output, memory


C. system unit, input/output, secondary storage


D. system unit, primary storage, secondary storage


Answer :C


Solution :



20. All of the logic and mathematical calculations done by the computer happen in/ on the ........


A. system board


B. central control unit


C. central processing unit


D. mother board


Answer :C


Solution :



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