Selected MCQ

Current Question
ASCII is a coding system that provides ____.
  • A. 256 different characters
  • B. 512 different characters
  • C. 1024 different characters
  • D. 128 different characters
Correct Answer: D
Explanation:
Standard ASCII provides 128 characters (7-bit).
Related Question 1
What are the components of a computer system?
  • A. Hardware
  • B. Software
  • C. Applications
  • D. Both A and B
Correct Answer: D
Explanation:
A computer system consists of both hardware and software.
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(n) ____ system is a set of Programs containing instructions that coordinate all the activities among computer hardware resources?
  • A. Operating
  • B. Disk- Based
  • C. Management
  • D. Platform
Correct Answer: A
Explanation:
The operating system coordinates hardware resources.
Related Question 4
A screen element of MS Word that is usually located below the title bar that provides categorized options is ____.
  • A. Menu bar
  • B. Tool Bar
  • C. Status Bar
  • D. All of these
Correct Answer: A
Explanation:
The Menu bar contains categorized commands (File, Edit, View, etc.).
Related Question 5
A number system that has eight different symbols to represent any quantity is known as ____.
  • A. Binary
  • B. Octal
  • C. Decimal
  • D. Hexadecimal
Correct Answer: B
Explanation:
Octal is a base-8 number system.