Basic computer knowledge MCQs

393 MCQs  — Computer Programming MCQs  (Page 19 of 40)

Attempt Basic computer knowledge Quiz
In asynchronous serial communication the physical layer provides__________________?
A. Start and stop signalling
B. Flow control
C. Both a and b
D. None of these
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In analog computer_______________________?
A. Input is never converted to digital form
B. Input is first converted to digital form
C. Output is displayed in digital form
D. All of the above
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The data link layer takes the packets from ________________ and encapsulates them into frames for transmission?
A. Network layer
B. Physical layer
C. Transport layer
D. Application layer
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Which device is used asthe standard pointing device in a Graphical User Environment ?
A. Keyboard
B. Mouse
C. Joystick
D. Track ball
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An endpoint of an inter-process communication flow across a computer network is called_________________?
A. Socket
B. Pipe
C. Port
D. None of these
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The two main components of the CPU is__________________?
A. Registers and main memory
B. Alu and bus
C. Control unit and registers
D. Control unit and alu
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Which type of device is the computer monitor ?
A. Input
B. Output
C. Processing
D. Software
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The arithmatic/logic unit performs the following actions__________________?
A. Checks data for accuracy
B. Does calculations using addition, substraction, multiplication, and division
C. Does logical comparisons, such as equal to, greater than, less than
D. Does both calculations and logical comparisons
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The _______________ takes on different shapes depending on the task you are performing?
A. Active tab
B. Insertion point
C. Mouse pointer
D. Ribbon
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The most frequently used piece of hardware for inputting data is ___________________?
A. Keyboard
B. Floppy disk
C. Cursor
D. Software
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Word of the Day
10 Jul
Spur
a thing that prompts or encourages someone; an incentive.
اکسانے والی بات، آر،مہمیز

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