Selected MCQ

Current Question
Which of the following is a combination of binary coded decimal is ____.
  • A. Two Binary Digits
  • B. Three Binary Digits
  • C. Four Binary Digits
  • D. None of these
Correct Answer: C
Explanation:
Binary Coded Decimal (BCD) uses 4 binary digits to represent each decimal digit.
Related Question 1
Which of the following combination of keys is used to close the active window?
  • A. CTRL + F1
  • B. CTRL + F2
  • C. CTRL + F3
  • D. CTRL + F4
Correct Answer: D
Explanation:
Ctrl + F4 closes the active window.
Related Question 2
Which of the following is the method by which data is converted from a readable form to an encoded version?
  • A. Encryption
  • B. Spooling
  • C. Censoring
  • D. COD
Correct Answer: A
Explanation:
Encryption converts readable data into an encoded form.
Related Question 3
Binary coded is in the form of ____.
  • A. 0, 1
  • B. 1, 2
  • C. 1, 2
  • D. None of these
Correct Answer: A
Explanation:
Binary code is represented only by the digits 0 and 1.
Related Question 4
Which of the following is a binary number?
  • A. 1001
  • B. 1002
  • C. 1005
  • D. 1006
Correct Answer: A
Explanation:
1001 is a valid binary number (only 0s and 1s).
Related Question 5
Combination of two or more topologies are called ____.
  • A. Hybrid
  • B. Star
  • C. Bus
  • D. Ring
Correct Answer: A
Explanation:
A hybrid topology combines two or more basic network topologies.