Unit-1: Overview of Computers System  (20 MCQs)

11th Class Computer Science MCQs Preparation 

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as
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1. Which one of the following is the smallest computer?




... Answer is C. Microcomputer
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2. How many instructions per second a mini-computer can execute




... Answer is C. Billions of instruction
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3. What type of software is MS Word?




... Answer is B. Application software
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4. Which device is most suitable for playing games?




... Answer is C. joystick
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5.  CPU is an example of _____



... Answer is C. Hardware
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6. Software can be classified in ______ categories.




... Answer is A. 2
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7. Which key deletes a character to the left of the cursor? :




... Answer is B. Backspace
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8. Which printer works like a photocopier machine?




... Answer is B. Laser
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9. _________software controls the operation of a hardware device.




... Answer is C. Utility software
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10. Which of the following devices converts spoken words into electrical form.




... Answer is B. microphone `
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11. _________ is a special-purpose computer.




... Answer is D. both a and c
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12. __________software converts computer programs to machine language.




... Answer is C. language processor
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13. Which of the following devices is used to print large-size hardcopy.



... Answer is A. Plotter
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14.  Which of the following is an impact printer.



... Answer is A. dot matrix printer
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15. Hardware is best described as:




... Answer is D. Physical Parts
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16.. MICR stands for




... Answer is D. None of these
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17. QWERTY is used with reference to: :



... Answer is A. keyboard layout
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18. Which of the following is productivity software?




... Answer is D. Spreadsheet software
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19. There are _______ Function Keys on a keyboard




... Answer is B. 12
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20. Which of the following is not an input device? :




... Answer is C. Printer
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Unit 1, Unit 2, 

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Unit 1: Overview of Computer System

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