Selected MCQ

Current Question
Which is used in security systems and criminal investigations?
  • A. Finger print reader
  • B. Robots
  • C. Sound Card
  • D. Barcode Reader
Correct Answer: A
Explanation:
Fingerprint readers are used in security and criminal investigations.
Related Question 1
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 2
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 3
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 4
All the following are examples of real security and privacy risks EXCEPT ____.
  • A. Hackers
  • B. Spam
  • C. Viruses
  • D. Identity theft
Correct Answer: B
Explanation:
Spam is unwanted email, but it is not primarily a security/privacy risk, unlike the others.
Related Question 5
A word processor would most likely be used to do ____.
  • A. Type a biography
  • B. Maintain an inventory
  • C. Do a computer search in the media center
  • D. Keep an account of money spent
Correct Answer: A
Explanation:
Word processors are primarily used for creating and editing text documents.