Selected MCQ

Current Question
An optical disk is an electronic data storage medium that can be written and read from using a ____.
  • A. Low-power laser beam
  • B. High-power laser beam
  • C. Strong power laser beam
  • D. All of these
Correct Answer: A
Explanation:
Optical disks use a low-power laser beam for reading/writing.
Related Question 1
In computer disk storage is a subdivision on a magnetic disk or optical disk called ____.
  • A. Track
  • B. ROM
  • C. Sector
  • D. None of these
Correct Answer: C
Explanation:
A sector is the smallest subdivision of a disk for storing data.
Related Question 2
Computer spreadsheet capability to allow a pie chart to be generated from data in spreadsheet cells is termed as ____.
  • A. Decoration
  • B. Data appearance
  • C. Functions
  • D. Charting
Correct Answer: D
Explanation:
The feature is called charting or chart creation.
Related Question 3
An intentionally disruptive program that spreads from program to program or from disk to disk is known as ____.
  • A. Trojan horse.
  • B. Virus.
  • C. Time bomb.
  • D. Time-related bomb sequence.
Correct Answer: B
Explanation:
A computer virus is a self-replicating, malicious program.
Related Question 4
A wireless technology built into electronic gadgets used for exchanging data over short distances is ____.
  • A. Bluetooth
  • B. Wi-Fi
  • C. Modem
  • D. USB
Correct Answer: A
Explanation:
Bluetooth is designed for short-range wireless communication.
Related Question 5
What was the name of the first personal computer electronic spreadsheet software package, which became a smash hit as soon as it was introduced in 1978?
  • A. WordStar
  • B. VisiCalc
  • C. Lotus 1-2-3
  • D. Excel
Correct Answer: B
Explanation:
VisiCalc (1979) was the first electronic spreadsheet for personal computers.