COMPUTER QUIZ

COMPUTER QUIZ (To see correct answers, move mouse over options, answer will be highlighted)

1. Which of the following communication mode supports data transmission in     both directions at the same time?          a) Simplex     b) Duplex     c) Half simplex     d) Full duplex     e) Multiplex 2. Which of the following transmission techniques let computer to     alternatively send and receive data?     a) Duplex     b) Simplex     c) Half duplex     d) Full duplex     e) None of above 3.  Modulation is the process of :      a) Echoing every character that is received      b) Converting digital signals to analog signals      c) Converting analog signals to digital signals      d) Sending a file from one computer to another computer      e) None of above 4. A modem performs-     a) Modulation     b) Demodulation     c) Data compression     d) Both (a) & (b)      e) All (a), (b) & (c) 5. Which of the following keyboard format is most commonly used?     a) TWRITER     b) SPLITTER     c) QWERTY     d) Dvorak     e) None of the above 6. The function of key F4 in a word processing application is -     a) to repeat the last action     b) to open a saved document     c) to delete the highlighted text     d) to open context menu of highlighted text     e) None of above 7. Laser printer is an example of -     a) Impact printer     b) Inkjet printer     c) Non-Impact printer     d) Dot-matrix printer     e) None of above 8. which of the following is a term related with scanners?     a) Laser     b) TWAIN     c) QWERTY     d) Media     e) Cartridge 9. The resolution of a monitor depends on:     a) Dot pitch of the monitor     b) Number of bits representing a pixel     c) Number of pixels that can be displayed     d) Both (a) & (b)     e) All (a), (b) & (c) 10. What does the term ISO stands for?     a) Information System Output     b) International Standards Organization     c) International Systems organization     d) Integrated Services Organization     e) None of above

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