Selected MCQ

Current Question
A program that performs a useful task while simultaneously allowing destructive acts is a ____.
  • A. Worm
  • B. Trojan horse
  • C. Virus
  • D. Macro virus
Correct Answer: B
Explanation:
A Trojan horse disguises itself as legitimate software while containing malicious code.
Related Question 1
A(n) ____ is a set of programs designed to manage the resources of a computer, including starting the computer, managing programs, managing memory and coordinating tasks between input and output devices.
  • A. Application suite
  • B. Compiler
  • C. Input/output system
  • D. Operating system
Correct Answer: D
Explanation:
The operating system manages all computer resources.
Related Question 2
Which file is stored in the computer that performs functions quickly while browsing?
  • A. Cache
  • B. Exe
  • C. Cookies
  • D. None of these
Correct Answer: A
Explanation:
Cache stores temporary files to speed up browsing.
Related Question 3
If ____, program is hidden on the taskbar.
  • A. Minimize
  • B. Close
  • C. Maximize
  • D. None of these
Correct Answer: A
Explanation:
Clicking Minimize hides the program on the taskbar.
Related Question 4
Which program is run by BIOS to check that hardware components are working properly while the computer is turned ON?
  • A. DMOS
  • B. POST
  • C. CMOS
  • D. RIP
Correct Answer: B
Explanation:
POST (Power On Self Test) checks hardware during startup.
Related Question 5
Computer programs are also known as ____.
  • A. Software
  • B. Process
  • C. Procedure
  • D. Compiler
Correct Answer: A
Explanation:
A computer program is a set of instructions called software.