Selected MCQ

Current Question
In which generation of computer operating systems was it used for the first time?
  • A. 1st
  • B. 2nd
  • C. 3rd
  • D. 4th
Correct Answer: C
Explanation:
Operating systems became common in the third generation (1960s) with the advent of integrated circuits.
Related Question 1
Which generation of computers used transistors for the first time?
  • A. Fourth
  • B. Third
  • C. Second
  • D. First
Correct Answer: C
Explanation:
Second-generation computers (1950s–1960s) used transistors.
Related Question 2
The word Computer used for the first time in ____.
  • A. 1613
  • B. 1614
  • C. 1615
  • D. 1616
Correct Answer: A
Explanation:
The word "computer" was first used in 1613 to describe a human who performed calculations.
Related Question 3
First-generation computer used which language?
  • A. Assembly language
  • B. Machine language
  • C. Both of these
  • D. None of these
Correct Answer: B
Explanation:
First-generation computers could only understand machine language (binary).
Related Question 4
Which of the following is the first generation of computers?
  • A. EDSAC
  • B. IBM-1401
  • C. CDC-1604
  • D. ICL-2900
Correct Answer: A
Explanation:
EDSAC (1949) is a first-generation computer that used vacuum tubes.
Related Question 5
The chief component of the first-generation computer was ____.
  • A. Transistors
  • B. Vacuum Tubes and Valves
  • C. Integrated Circuits
  • D. None of these
Correct Answer: B
Explanation:
First-generation computers (1940s–1950s) primarily used vacuum tubes.