MCQ Computer exam Part-5

 

52. On a PC, how much memory is available to application software?
A) 1024 KB
B) 760 KB
Ans. C) 640 KB
D) 560 KB

53. In a computer _____ is capable to store single binary bit.
A) Capacitor
Ans. B) Flip flop
C) Register
D) Inductor

54. What does DMA stand for?
A) Distinct Memory Access
Ans. B) Direct Memory Access
C) Direct Module Access
D) Direct Memory Allocation

55. Who invented Integrated Circuits?
A) Jack Kilby
B) Robert Noyce
Ans. C) Both of above
D) None of above

56. Operating system, editors, and debuggers comes under?
Ans. A) System Software
B) Application Software
C) Utilities
D) None of the above

57. One computer that is not considered a portable is
Ans. A) Minicomputer
B) Laptop computer
C) Notebook computer
D) All of above

58. Which of the following is not an electronic computer?
A) ENIAC
Ans. B) ABC
C) UNIVAC
D) EDVAC

59. What is the name of the display feature that highlights are of the screen which requires operator attention?
A) Pixel
Ans. B) Reverse video
C) Touch screen
D) Cursor

60. Which is the largest computer?
Ans. A) Mainframe Computer
B) Mini Computers
C) Micro Computers
D) Super Computers

61. Which of the following are the best units of data on an external storage device?
A) Bits
Ans. B) Bytes
C) Hertz
D) Clock cycles

62. The personal computer industry was started by
Ans. A) IBM
B) Apple
C) Compaq
D) HCL

63. What is meant by a dedicated computer?
A) Which is used by one person only
Ans. B) Which is assigned one and only one task
C) Which uses one kind of software
D) Which is meant for application software

64. Which programming languages are classified as low level languages?
A) Basic, COBOL, FORTRAN
B) Prolog 2, Expert Systems
C) Knowledge based Systems
Ans. D) Assembly Languages

65. What was the main disadvantage of vacuum tubes?
A) They were larger in size
B) They consumed a lot of electricity
Ans. C) They produced heat and often burned out
D) The operation cost was high

66. Registers, which are partially visible to users and used to hold conditional, are known as
A) PC
B) Memory address registers
C) General purpose register
Ans. D) Flags

67. Which is not a comptuer of first generation?
A) ENIAC
B) UNIVAC
C) IBM 360
Ans. D) IBM 1401

68. Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU hardware as the result of operations), are known as
A) PC                   Ans. B) Flags
C) Memory Address Registers
D) General Purpose Registers

69. Who invented vacuum tubes?
A) John Bardeen            B) William Shockley
Ans. C) Lee de Forest               D) All of above