Computer Science Mcqs Test No 5

41. Analog signal is measured in:

(A) Volt

(B) Hertz

(C) Digits

(D) WATTS

42. _________ uses liquid crystal between the glass plates.

(A) ELD

(B) LCD

(C) CRT

(D) None of These

43. Open System Interconnection(OSI) model consists of _________ layers.

(A) Eight

(B) Six

(C) Seven

(D) Five

44. Which of the following coding schemes uses 4-bit code?

(A) Unicode

(B) ASCII

(C) EBCDIC

(D) BCD

45. Which of the following communication medium requires “line-of-sight”?

(A) Microwave

(B) Fiber-Optic cable

(C) Twisted-Pair cable

(D) Coaxial cable

46. _________ is a collection of system programs that controls and co-ordinates the overall operations of a computer system.

(A) System software

(B) Operating system

(C) Utility program

(D) Device driver

47. The translated program into machine code is called _________.

(A) Source program

(B) Object program

(C) System program

(D) None Of These

48. FormatC is an example of virus _________.

(A) Chernobal

(B) Logic Bomb

(C) Boot Sector

(D) Torjan Horse

49. What type of operating system MS-DOS is?

(A) Command Line Interface

(B) Graphical User Interface

(C) Multitasking

(D) Menu Driven Interface

50. Which of the following keyboard shortcuts is used to change the case?

(A) Ctrl+F3

(B) Alt+F3

(C) Shift+F3

(D) Ctrl+Shift+F3

ANSWERS: COMPUTER SCIENCE QUIZZES

41. A

42. B

43. C

44. D

45. A

46. B

47. B

48. D

49. A

50. C