Selected MCQ

Current Question
In which transmission mode is the communication one-way with the channel?
  • A. Simplex
  • B. Half-duplex
  • C. Full duplex
  • D. Reverse
Correct Answer: A
Explanation:
Simplex mode allows one-way communication only.
Related Question 1
Communication between a computer and a keyboard involves ____ transmission.
  • A. Automatic
  • B. Half-duplex
  • C. Full-duplex
  • D. Simplex
Correct Answer: D
Explanation:
Keyboard communication is simplex (one-way from keyboard to computer).
Related Question 2
A modem is connected to ____.
  • A. a telephone line
  • B. a keyboard
  • C. a printer
  • D. a monitor
Correct Answer: A
Explanation:
A modem connects to a telephone line or broadband for internet access.
Related Question 3
In MS Excel, how many worksheets are in a modern workbook are by default?
  • A. 3
  • B. 1
  • C. 5
  • D. None of these
Correct Answer: B
Explanation:
Older versions of Excel defaulted to three worksheets (modern versions default to one).
Related Question 4
____ is a high-speed point-to-point channel for attaching a graphics card to a computer’s motherboard, primarily to assist in the acceleration of 3D computer graphics.
  • A. Graphic Card
  • B. Accelerator Card
  • C. AGP
  • D. NVIDIA Graphic
Correct Answer: C
Explanation:
AGP is the dedicated high-speed slot for graphics cards.
Related Question 5
All modern computer operates on ____.
  • A. Information
  • B. Floppies
  • C. Data
  • D. Word
Correct Answer: C
Explanation:
All modern computers operate on digital data.