Selected MCQ

Current Question
Codes consisting of lines of varying widths or lengths that are computer-readable are known as ____.
  • A. An ASCII code
  • B. A magnetic tape
  • C. An OCR scanner
  • D. A bar code
Correct Answer: D
Explanation:
Barcodes are machine-readable codes made of varying-width lines.
Related Question 1
Computers, which combine both measuring and counting, are called ____.
  • A. Analog
  • B. Digital
  • C. Hybrid
  • D. All of these
Correct Answer: C
Explanation:
Hybrid computers combine features of both analog and digital computers.
Related Question 2
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 3
Computers process data into information by working exclusively with ____.
  • A. Multimedia
  • B. Word
  • C. Numbers
  • D. Characters
Correct Answer: C
Explanation:
At the hardware level, computers work with binary numbers.
Related Question 4
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 5
Computer spreadsheet cell that is highlighted with a heavy border is a ____.
  • A. Active cell
  • B. Cell containing a formula
  • C. Locked cell
  • D. Cell
Correct Answer: A
Explanation:
The cell with a heavy border is the active (currently selected) cell.