2. The basic operations performed by a computer are
Correct : D. all the above
3. The two major types of computer chips are
Correct : D. both b and c
4. Microprocessors as switching devices are for which generation computers
Correct : D. fourth generation
5. What is the main difference between a mainframe and a super computer?
Correct : C. supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
6. ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?
Correct : A. extended binary coded decimal interchange code
7. The brain of any computer system is
Correct : C. cpu
8. Storage capacity of magnetic disk depends on
Correct : D. all of above
9. The two kinds of main memory are:
Correct : C. rom and ram
10. A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
Correct : B. buffer
11. Computer is free from tiresome and boardoom. We call it
Correct : C. diligence
12. Integrated Circuits (Ics) are related to which generation of computers?
Correct : C. third generation
13. CD-ROM is a
Correct : D. none of above
14. A hybrid computer
Correct : C. resembles both a digital and analogue computer
15. Which type of computers uses the 8-bit code called EBCDIC?
Correct : C. mainframe computers
16. The ALU of a computer responds to the commands coming from
Correct : B. control section
17. Chief component of first generation computer was
Correct : B. vacuum tubes and valves
18. To produce high quality graphics (hardcopy) in color, you would want to use a/n
Correct : B. plotter
19. What are the stages in the compilation process?
Correct : C. lexical analysis, syntax analysis, and code generation
20. Which of the following IC was used in third generation of computers?
Correct : D. both a and b
21. The main electronic component used in first generation computers was
Correct : B. vacuum tubes and valves
22. A dumb terminal has
Correct : D. a keyboard and screen
23. One millisecond is
Correct : C. 1000th of a seconds
24. The output quality of a printer is measured by ..........
Correct : A. dot per sq. inch
25. Which of the following was a special purpose computer?
Correct : A. abc
26. What was the computer invented by Attanasoff and Clifford?
Correct : B. abc
27. Which of the following storage devices can store maximum amount of data?
Correct : B. hard disk
28. Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
Correct : A. eniac
29. A physical connection between the microprocessor memory and other parts of the microcomputer is known as
Correct : B. address bus
30. High density double sided floppy disks could store _____ of data
Correct : D. 1.44 mb
31. A high quality CAD system uses the following for printing drawing and graphs
Correct : B. digital plotter
32. Which of the following is not an input device?
Correct : D. com (computer output to microfilm)
33. The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately
Correct : B. 6 digits
34. In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single board. What is the name of the board?
Correct : A. motherboard
35. In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What is the name of this board?
Correct : A. motherboard
36. Magnetic disks are the most popular medium for
Correct : D. none of above
37. A technique used by codes to convert an analog signal into a digital bit stream is known as
Correct : A. pulse code modulation
38. Regarding a VDU, Which statement is more correct?
Correct : C. it is a peripheral device
39. A modern electronic computer is a machine that is meant for
Correct : B. input, storage, manipulation and outputting of data
40. When was vacuum tube invented?
Correct : B. 1906
41. Which of the following produces the best quality graphics reproduction?
Correct : C. plotter
42. Computers with 80286 microprocessor is
Correct : B. at comptuers
43. An application suitable for sequential processing is
Correct : C. both a and b
44. Which of the following is not processing?
Correct : D. gathering
45. The digital computer was developed primarily in
Correct : C. usa
46. Software in computer
Correct : A. enhances the capabilities of the hardware machine
47. Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?
Correct : B. computing tabulating recording co.
48. Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?
Correct : D. all of above
49. The arranging of data in a logical sequence is called
Correct : A. sorting
50. What is the responsibility of the logical unit in the CPU of a computer?
Correct : B. to compare numbers
51. Abacus was the first
Correct : D. mechanical calculator
52. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
Correct : B. 65,536
53. Instructions and memory address are represented by
Correct : B. binary codes
54. The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
Correct : D. pos terminal
55. A set of flip flops integrated together is called ____
Correct : C. register
56. People often call ______ as the brain of computer system
Correct : C. central processing unit
57. Which is used for manufacturing chips?
Correct : C. semiconductors
58. The value of each bead in heaven is
Correct : C. 5
59. The first computer introduced in Nepal was
Correct : B. ibm 1401
60. Mnemonic a memory trick is used in which of the following language?
Correct : B. assembly language
61. Instruction in computer languages consists of
Correct : C. both of above
62. Which generation of computer is still under development
Correct : B. fifth generation
63. A register organized to allow to move left or right operations is called a ____
Correct : D. shift register
64. Which was the most popular first generation computer?
Correct : A. ibm 1650
65. Which is considered a direct entry input device?
Correct : D. all of the above
66. A set of information that defines the status of resources allocated to a process is
Correct : D. process description
67. Each set of Napier’s bones consisted of ______ rods.
Correct : C. 11
68. BCD is
Correct : A. binary coded decimal
69. When was the world’s first laptop computer introduced in the market and by whom?
Correct : B. epson, 1981
70. From which generation operating systems were developed?
Correct : C. third
71. The first firm to mass-market a microcomputer as a personal computer was
Correct : C. radio shaks
72. How many address lines are needed to address each machine location in a 2048 x 4 memory chip?
Correct : B. 11
73. Properly arranged data is called
Correct : C. information
74. A computer consists of
Correct : D. all of the above
75. Why are vacuum tubes also called valves?
Correct : B. because they can stop or allow the flow of current
76. John Napier invented Logarithm in
Correct : A. 1614
77. An integrated circuit is
Correct : D. fabricated on a tiny silicon chip
78. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
Correct : C. bus arbitration
79. Where as a computer mouse moves over the table surface, the trackball is
Correct : A. stationary
80. Which of the following is used as a primary storage device?
Correct : A. magnetic drum
81. Multi user systems provided cost savings for small business because they use a single processing unit to link several
Correct : C. dumb terminals
82. What are the three decisions making operations performed by the ALU of a computer?
Correct : D. all of the above
83. The word processing task associated with changing the appearance of a document is
Correct : C. formatting
84. Nepal brought a computer for census of 2028 BS. This computer was of
Correct : C. third generation
85. Algorithm and Flow chart help us to
Correct : D. specify the problem completely and clearly
86. Which statement is valid about computer program?
Correct : D. both a & b
87. The difference between memory and storage is that memory is _____ and storage is __
Correct : A. temporary, permanent
88. When was Pascaline invented?
Correct : C. 1642
89. Which of the following statement is valid?
Correct : D. all of above
90. A compiler is a translating program which
Correct : D. all of above
91. What is required when more than one person uses a central computer at the same time?
Correct : D. terminal
92. Which of the following is the first computer to use Stored Program Concept?
Correct : C. edsac
93. The term gigabyte refers to
Correct : C. 1024 megabytes
94. in which year was UK’s premier computing event called ?The which computer? started?
Correct : A. 1980
95. Once you load the suitable program and provide required data, computer does not need human intervention. This feature is known as
Correct : D. automatic
96. What is a brand?
Correct : B. the name of product a company gives to identify its product in market
97. Machine language is
Correct : D. all of above
98. A byte consists of
Correct : C. eight bits
99. Modern Computers are very reliable but they are not
Correct : C. infallible
100. What is the date when Babbage conceived Analytical engine