Selected MCQ

Current Question
In electronic devices, vacuum tubes are replaced by?
  • A. Capacitor
  • B. Diode
  • C. Transistor
  • D. Inductor
Correct Answer: C
Explanation:
Transistors replaced vacuum tubes as the switching device in second-generation computers.
Related Question 1
All the following are examples of storage devices EXCEPT ____.
  • A. Hard disk drives
  • B. Printers
  • C. Floppy disk drives
  • D. CD drives
Correct Answer: B
Explanation:
Printers are output devices, not storage devices.
Related Question 2
A(n) ____ is a set of programs designed to manage the resources of a computer, including starting the computer, managing programs, managing memory and coordinating tasks between input and output devices.
  • A. Application suite
  • B. Compiler
  • C. Input/output system
  • D. Operating system
Correct Answer: D
Explanation:
The operating system manages all computer resources.
Related Question 3
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 4
Who designed the first electronic computer – ENIAC?
  • A. Van-Neumann
  • B. Joseph M. Jacquard
  • C. J. Presper Eckert and John W Mauchly
  • D. All of these
Correct Answer: C
Explanation:
ENIAC was designed by J. Presper Eckert and John W. Mauchly.
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.