A. piggybacking
B. cyclic redundancy check
C. fletcher’s checksum
D. none of these
✅ The correct answer is option A.
Basic computer knowledge MCQs
The command Ctrl + U in MS Word will do which of the following ?
A. Block
B. Underlined
C. Select
D. Unblock
✅ The correct answer is option B.
OCR stands for _________________?
A. Optical Character Recognition
B. Optical CPU Recognition
C. Optimal Character Rendering
D. Other Character Restoration
✅ The correct answer is option A.
A half byte is know is___________________?
A. Nibble
B. Half byte
C. Bit
D. Data
✅ The correct answer is option A.
You use a(n) ________________, such as a keyboard or mouse, to input information ?
A. storage device
B. processing device
C. input device
D. output device
✅ The correct answer is option C.
Which of the following is not a binary number ?
A. 10010111
B. 111111001
C. 12340001
D. 110011
✅ The correct answer is option C.
In digital computer, all the expressions are coded into___________________?
A. Octal digits
B. Binary digits
C. Hexadecimal digits
D. Decimal digits
✅ The correct answer is option B.
Transmission and presentation of text and graphics is called______________________?
A. Video text
B. Tele-text
C. Network
D. Telematique
✅ The correct answer is option A.
The box that contains the central electronic components of the computer is the ___________________?
A. motherboard
B. system unit
C. peripheral
D. input device
✅ The correct answer is option B.
Which of the following is the storage area within the computer itself which holds data only temporarily as the computer processes instruction ?
A. the hard disk
B. main memory
C. the control unit
D. read only memory
✅ The correct answer is option B.