Haryana Police SI Computer Mock Test

Computer Awareness

Haryana Police SI Computer Mock Test english

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  20 Questions

  20.00 Marks

  12 Mins


20 Computer Awareness Questions


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Question 1


How many address lines are needed to address each machine location in a 2048 x 4 memory chip?

Question 2


Properly arranged data is called

Question 3


A computer consists of

Question 4


Why are vacuum tubes also called valves?

Question 5


John Napier invented Logarithm in

Question 6


An integrated circuit is

Question 7


What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?

Question 8


Where as a computer mouse moves over the table surface, the trackball is

Question 9


Which of the following is used as a primary storage device?

Question 10


Multi user systems provided cost savings for small business because they use a single processing unit to link several

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