Selected MCQ

Current Question
Latency time is ____.
  • A. Time to spin data under the sector
  • B. Time to spin the needed data under track
  • C. Time to spin the needed data under the head
  • D. All of these
Correct Answer: C
Explanation:
Latency (rotational delay) is the time for the disk to spin the required data under the read/write head.
Related Question 1
A computer program that translates one program instruction at a time into machine language is called a/an ____.
  • A. Interpreter
  • B. CPU
  • C. Compiler
  • D. Simulator
Correct Answer: A
Explanation:
An interpreter translates and executes code line by line.
Related Question 2
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 3
When is the first time the first time, ____.
  • A. A copy is automatically printed
  • B. It must be given a name to identify it
  • C. It does not need a name
  • D. It only needs a name if it is not going to be printed
Correct Answer: B
Explanation:
The first save requires naming the file.
Related Question 4
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 5
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.