Selected MCQ

Current Question
A bus with 32 data lines can transport how many bits at a time?
  • A. 8 bits
  • B. 16 bits
  • C. 32 bits
  • D. 0 only
Correct Answer: C
Explanation:
A 32-line data bus can transfer 32 bits simultaneously.
Related Question 1
Computers that are used in large organizations such as insurance companies and banks, where many people frequently need to use same data, are ____.
  • A. Mainframe computers
  • B. Supercomputers
  • C. Hybrid computers
  • D. Desktop computers
Correct Answer: A
Explanation:
Mainframe computers are designed for high-volume data processing in large organizations.
Related Question 2
Computers manipulate data in many ways, and this manipulation is called ____.
  • A. Upgrading
  • B. Processing
  • C. Batching
  • D. Utilizing
Correct Answer: B
Explanation:
Data manipulation by a computer is called processing.
Related Question 3
How many users can open an MS Excel 2016 file at the same time?
  • A. 100
  • B. 50
  • C. 256
  • D. None of these
Correct Answer: C
Explanation:
Up to 256 users can open the same Excel file simultaneously in shared mode.
Related Question 4
A compact disc that can be written, read many times, erased, and written again is called ____.
  • A. CD-ROM
  • B. CD-RW
  • C. CDO
  • D. CAD
Correct Answer: B
Explanation:
CD-RW is a rewritable compact disc.
Related Question 5
How many bits are equal to one byte?
  • A. 2
  • B. 4
  • C. 8
  • D. 5
Correct Answer: C
Explanation:
One byte consists of exactly 8 bits.