Selected MCQ

Current Question
ABC computer is used for ______?
  • A. Specific-Purpose computer
  • B. General-purpose computer
  • C. All-purpose computer
  • D. None of these
Correct Answer: A
Explanation:
ABC (Atanasoff-Berry Computer) was a special-purpose computer.
Related Question 1
Computers that are used in large organizations such as insurance companies and banks, where many people frequently need to use same data, are ____.
  • A. Mainframe computers
  • B. Supercomputers
  • C. Hybrid computers
  • D. Desktop computers
Correct Answer: A
Explanation:
Mainframe computers are designed for high-volume data processing in large organizations.
Related Question 2
Coded entries which are used to gain access to a computer system are called ____.
  • A. Entry codes
  • B. Passwords
  • C. Security commands
  • D. Code words
Correct Answer: B
Explanation:
Passwords are secret codes used to authenticate and gain access to a system.
Related Question 3
A person who used their expertise to gain access to other people's computers to get information illegally or do damage is a ____.
  • A. Hacker
  • B. Spammer
  • C. Instant messenger
  • D. Programmer
Correct Answer: A
Explanation:
A hacker gains unauthorized access to systems.
Related Question 4
A network which is used for sharing data, software and hardware among several users owning microcomputers is called ____.
  • A. WAN
  • B. MAN
  • C. LAN
  • D. VAN
Correct Answer: C
Explanation:
LAN (Local Area Network) is used for local sharing.
Related Question 5
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.