VAO Exam Computer Questions

VAO Recruitment examination will be conducted on 27/10/2024. To help the Candidates who are appearing VAO Examination we published following Computer related Questions with Answer. Answers for all the following questions listed in the bottom of this post

VAO Computer Questions 1-25

1. Modern Computers are very reliable but they are not
   A) Fast
   B) Powerful
   C) Infallible
   D) Cheap
2. The basic operations performed by a computer are
   A) Arithmetic operation
   B) Logical operation
   C) Storage and relative
   D) All the above
3. The two major types of computer chips are
   A) External memory chip
   B) Primary memory chip
   C) Microprocessor chip
   D) Both b and c

1. Microprocessors as switching devices are for which generation computers
   A) First Generation
   B) Second Generation
   C) Third Generation
   D) Fourth Generation
2. What is the main difference between a mainframe and a super computer?
   A) Super computer is much larger than mainframe computers
   B) Super computers are much smaller than mainframe computers
   C) Supercomputers are focused to execute few programs as fast as possible while
   mainframe uses its power to execute as many programs concurrently
   D) Supercomputers are focused to execute as many programs as possible while mainframe
   uses its power to execute few programs as fast as possible.
3. ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand
   for?
   A) Extended Binary Coded Decimal Interchange Code
   B) Extended Bit Code Decimal Interchange Code
   C) Extended Bit Case Decimal Interchange Code
   D) Extended Binary Case Decimal Interchange Code
4. The brain of any computer system is
   A) ALU
   B) Memory
   C) CPU
   D) Control unit
5. Storage capacity of magnetic disk depends on
   A) tracks per inch of surface
   B) bits per inch of tracks
   C) disk pack in disk surface
   D) All of above
6. The two kinds of main memory are:
   A) Primary and secondary
   B) Random and sequential
   C) ROM and RAM
   D) All of above
7. A storage area used to store data to a compensate for the difference in speed at which
   the different units can handle data is
   A) Memory
   B) Buffer
   C) Accumulator
   D) Address
8. Computer is free from tiresome and boardoom. We call it
   A) Accuracy
   B) Reliability
   C) Diligence
   D) Versatility
9. Integrated Circuits (Ics) are related to which generation of computers?
   A) First generation
   B) Second generation
   C) Third generation
   D) Fourth generation
10. CD-ROM is a
    A) Semiconductor memory
    B) Memory register
    C) Magnetic memory
    D) None of above
11. A hybrid computer
    A) Resembles digital computer
    B) Resembles analogue computer
    C) Resembles both a digital and analogue computer
    D) None of the above
12. Which type of computers uses the 8-bit code called EBCDIC?
    A) Minicomputers
    B) Microcomputers
    C) Mainframe computers
    D) Super computer
13. The ALU of a computer responds to the commands coming from
    A) Primary memory
    B) Control section
    C) External memory
    D) Cache memory
14. Chief component of first generation computer was
    A) Transistors
    B) Vacuum Tubes and Valves
    C) Integrated Circuits
    D) None of above
15. To produce high quality graphics (hardcopy) in color, you would want to use a/n
    A) RGB monitor
    B) Plotter
    C) Ink-jet printer
    D) Laser printer
16. What are the stages in the compilation process?
    A) Feasibility study, system design and testing
    B) Implementation and documentation
    C) Lexical Analysis, syntax analysis, and code generation
    D) None of the above
17. Which of the following IC was used in third generation of computers?
    A) SSI
    B) MSI
    C) LSI
    D) Both a and b
    These 100 MCQ questions from fundamentals of computer is distributed through
    mcqSets.com. Fundamentals of Computer is one of the most weighted topic on most of the
    competitive computer jobs exams.
18. The main electronic component used in first generation computers was
    A) Transistors
    B) Vacuum Tubes and Valves
    C) Integrated Circuits
    D) None of above
19. A dumb terminal has
    A) an embedded microprocessor
    B) extensive memory
    C) independent processing capability
    D) a keyboard and screen
20. One millisecond is
    A) 1 second
    B) 10th of a seconds
    C) 1000th of a seconds
    D) 10000th of a seconds
21. The output quality of a printer is measured by
    A) Dot per sq. inch
    B) Dot per inch
    C) Dots printed per unit time
    D) All of the above
22. Which of the following was a special purpose computer?
    A) ABC
    B) ENIAC
    C) EDVAC
    D) All of the above

VAO Computer Questions 26-50

25. What was the computer invented by Attanasoff and Clifford?
    A) Mark I
    B) ABC
    C) Z3
    D) None of above
26. Which of the following storage devices can store maximum amount of data?
    A) Floppy Disk
    B) Hard Disk
    C) Compact Disk
    D) Magneto Optic Disk
27. Which computer was considered the first electronic computer until 1973 when court
    invalidated the patent?
    A) ENIAC
    B) MARK I
    C) Z3
    D) ABC
28. A physical connection between the microprocessor memory and other parts of the
    microcomputer is known as
    A) Path
    B) Address bus
    C) Route
    D) All of the above
29. High density double sided floppy disks could store _ of data
    A) 1.40 MB
    B) 1.44 GB
    C) 1.40 GB
    D) 1.44 MB
30. A high quality CAD system uses the following for printing drawing and graphs
    A) Dot matrix printer
    B) Digital plotter
    C) Line printer
    D) All of the above
31. Which of the following is not an input device?
    A) OCR
    B) Optical scanners
    C) Voice recognition device
    D) COM (Computer Output to Microfilm)
32. The accuracy of the floating-point numbers representable in two 16-bit words of a
    computer is approximately
    A) 16 digits
    B) 6 digits
    C) 9 digits
    D) All of above
33. 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?
    A) Motherboard
    B) Daughterboard
    C) Bredboard
    D) Fatherboard
34. 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?
    A) Motherboard
    B) Breadboard
    C) Daughter board
    D) Grandmother board
35. Magnetic disks are the most popular medium for
    A) Direct access
    B) Sequential access
    C) Both of above
    D) None of above
36. A technique used by codes to convert an analog signal into a digital bit stream is
    known as
    A) Pulse code modulation
    B) Pulse stretcher
    C) Query processing
    D) Queue management
37. Regarding a VDU, Which statement is more correct?
    A) It is an output device
    B) It is an input device
    C) It is a peripheral device
    D) It is hardware item
38. A modern electronic computer is a machine that is meant for
    A) Doing quick mathematical calculations
    B) Input, storage, manipulation and outputting of data
    C) Electronic data processing
    D) Performing repetitive tasks accurately
39. When was vacuum tube invented?
    A) 1900
    B) 1906
    C) 1910
    D) 1880
40. Which of the following produces the best quality graphics reproduction?
    A) Laser printer
    B) Ink jet printer
    C) Plotter
    D) Dot matrix printer
41. Computers with 80286 microprocessor is
    A) XT computer
    B) AT comptuers
    C) PS/2 computer
    D) None of above
42. An application suitable for sequential processing is
    A) Processing of grades
    B) Payroll processing
    C) Both a and b
    D) All of above
43. Which of the following is not processing?
    A) arranging
    B) manipulating
    C) calculating
    D) gathering
44. The digital computer was developed primarily in
    A) USSR
    B) Japan
    C) USA
    D) UK
45. Software in computer
    A) Enhances the capabilities of the hardware machine
    B) Increase the speed of central processing unit
    C) Both of above
    D) None of above
46. Today’s computer giant IBM was earlier known by different name which was changes
    in 1924. What was that name?
    A) Tabulator Machine Co.
    B) Computing Tabulating Recording Co.
    C) The Tabulator Ltd.
    D) International Computer Ltd.
47. 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?
    A) Track number
    B) Sector number
    C) Surface number
    D) All of above
48. The arranging of data in a logical sequence is called
    A) Sorting
    B) Classifying
    C) Reproducing
    D) Summarizing
49. What is the responsibility of the logical unit in the CPU of a computer?
    A) To produce result
    B) To compare numbers
    C) To control flow of information
    D) To do math’s works
    These 100 MCQ questions from fundamentals of computer is distributed through
    mcqSets.com. Fundamentals of Computer is one of the most weighted topic on most of the
    competitive computer jobs exams.
50. Abacus was the first
    A) electronic computer
    B) mechanical computer
    C) electronic calculator
    D) mechanical calculator

VAO Computer Questions 51-75

51. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses
    will be
    A) 216
    B) 65,536
    C) 64K
    D) Any of the above
52. Instructions and memory address are represented by
    A) Character code
    B) Binary codes
    C) Binary word
    D) Parity bit
53. The terminal device that functions as a cash register, computer terminal, and OCR
    reader is the:
    A) Data collection terminal
    B) OCR register terminal
    C) Video Display terminal
    D) POS terminal
54. A set of flip flops integrated together is called __
    A) Counter
    B) Adder
    C) Register
    D) None of the above
55. People often call __ as the brain of computer system
    A) Control Unit
    B) Arithmetic Logic Unit
    C) Central Processing Unit
    D) Storage Unit
56. Which is used for manufacturing chips?
    A) Bus
    B) Control unit
    C) Semiconductors
    D) A and b only
57. The value of each bead in heaven is
    A) 1
    B) 3
    C) 5
    D) 7
58. The first computer introduced in Nepal was
    A) IBM 1400
    B) IBM 1401
    C) IBM 1402
    D) IBM1402
59. Mnemonic a memory trick is used in which of the following language?
    A) Machine language
    B) Assembly language
    C) High level language
    D) None of above
60. Instruction in computer languages consists of
    A) OPCODE
    B) OPERAND
    C) Both of above
    D) None of above
61. Which generation of computer is still under development
    A) Fourth Generation
    B) Fifth Generation
    C) Sixth Generation
    D) Seventh Generation
62. A register organized to allow to move left or right operations is called a __
    A) Counter
    B) Loader
    C) Adder
    D) Shift register
63. Which was the most popular first generation computer?
    A) IBM 1650
    B) IBM 360
    C) IBM 1130
    D) IBM 2700
64. Which is considered a direct entry input device?
    A) Optical scanner
    B) Mouse and digitizer
    C) Light pen
    D) All of the above
65. A set of information that defines the status of resources allocated to a process is
    A) Process control
    B) ALU
    C) Register Unit
    D) Process description
66. Each set of Napier’s bones consisted of __ rods.
    A) 5
    B) 9
    C) 11
    D) 13
67. BCD is
    A) Binary Coded Decimal
    B) Bit Coded Decimal
    C) Binary Coded Digit
    D) Bit Coded Digit
68. When was the world’s first laptop computer introduced in the market and by whom?
    A) Hewlett-Packard, 1980
    B) Epson, 1981
    C) Laplink Traveling Software Inc, 1982
    D) Tandy Model-200, 1985
69. From which generation operating systems were developed?
    A) First
    B) Second
    C) Third
    D) Fourth
70. The first firm to mass-market a microcomputer as a personal computer was
    A) IBM
    B) Super UNIVAC
    C) Radio Shaks
    D) Data General Corporation
71. How many address lines are needed to address each machine location in a 2048 x 4
    memory chip?
    A) 10
    B) 11
    C) 8
    D) 12
72. Properly arranged data is called
    A) Field
    B) Words
    C) Information
    D) File
73. A computer consists of
    A) A central processing unit
    B) A memory
    C) Input and output unit
    D) All of the above
74. Why are vacuum tubes also called valves?
    A) Because they can amplify the weak signals and make them strong
    B) Because they can stop or allow the flow of current
    C) Both of above
    D) None of above
75. John Napier invented Logarithm in
    A) 1614
    B) 1617
    C) 1620
    D) None of above

VAO Computer Questions 76-100

76. An integrated circuit is
    A) A complicated circuit
    B) An integrating device
    C) Much costlier than a single transistor
    D) Fabricated on a tiny silicon chip
77. 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?
    A) Bus control
    B) Interrupts
    C) Bus arbitration
    D) Status
78. Where as a computer mouse moves over the table surface, the trackball is
    A) Stationary
    B) Difficult to move
    C) Dragged
    D) Moved in small steps
79. Which of the following is used as a primary storage device?
    A) Magnetic drum
    B) Hard Disks
    C) Floppy
    D) All of above
    These 100 MCQ questions from fundamentals of computer is distributed through
    mcqSets.com. Fundamentals of Computer is one of the most weighted topic on most of the
    competitive computer jobs exams.
80. Multi user systems provided cost savings for small business because they use a single
    processing unit to link several
    A) Personal computers
    B) Workstations
    C) Dumb terminals
    D) Mainframes
81. What are the three decisions making operations performed by the ALU of a computer?
    A) Grater than
    B) Less than
    C) Equal to
    D) All of the above
82. The word processing task associated with changing the appearance of a document is
    A) Editing
    B) Writing
    C) Formatting
    D) All of above
83. Nepal brought a computer for census of 2028 BS. This computer was of
    A) first generation
    B) second generation
    C) third generation
    D) fourth generation
84. Algorithm and Flow chart help us to
    A) Know the memory capacity
    B) Identify the base of a number system
    C) Direct the output to a printer
    D) Specify the problem completely and clearly
85. Which statement is valid about computer program?
    A) It is understood by a computer
    B) It is understood by programmer
    C) It is understood user
    D) Both a & b
86. The difference between memory and storage is that memory is and storage is _
    A) Temporary, permanent
    B) Permanent, temporary
    C) Slow, fast
    D) All of above
87. When was Pascaline invented?
    A) 1617
    B) 1620
    C) 1642
    D) 1837
88. Which of the following statement is valid?
    A) Lady Augusta is the first programmer
    B) Ada is the daughter of Lord Byron, a famous English poet
    C) ADA is a programming language developed by US Defense
    D) All of above
89. A compiler is a translating program which
    A) Translates instruction of a high level language into machine language
    B) Translates entire source program into machine language program
    C) It is not involved in program’s execution
    D) All of above
90. What is required when more than one person uses a central computer at the same
    time?
    A) Light pen
    B) Mouse
    C) Digitizer
    D) Terminal
91. Which of the following is the first computer to use Stored Program Concept?
    A) UNIVAC
    B) ENIAC
    C) EDSAC
    D) None of above
92. The term gigabyte refers to
    A) 1024 bytes
    B) 1024 kilobytes
    C) 1024 megabytes
    D) 1024 gigabyte
93. in which year was UK’s premier computing event called ?The which computer?
    started?
    A) 1980
    B) 1985
    C) 1986
    D) 1987
94. Once you load the suitable program and provide required data, computer does not
    need human intervention. This feature is known as
    A) Accuracy
    B) Reliability
    C) Versatility
    D) Automatic
95. What is a brand?
    A) The name of companies that made computers
    B) The name of product a company gives to identify its product in market
    C) A name of class to indicate all similar products from different companies
    D) All of above
96. Machine language is
    A) Machine dependent
    B) Difficult to program
    C) Error prone
    D) All of above
97. A byte consists of
    A) One bit
    B) Four bits
    C) Eight bits
    D) Sixteen bits
98. UNIVAC is
    A) Universal Automatic Computer
    B) Universal Array Computer
    C) Unique Automatic Computer
    D) Unvalued Automatic Computer

Correct Answers for all above 98 Questions

1-C 2-D 3-D 4-D 5-C 6-A 7-C 8-D 9-C
11-C 12-C 13-D 14-C 15-C 16-B 17-B 18-B 19-C
21-B 22-D 23-C 24-A 25-A 26-B 27-B 28-A 29-B
31-B 32-D 33-B 34-A 35-A 36-C 37-A 38-C 39-B
41-C 42-B 43-C 44-D 45-C 46-A 47-B 48-D 49-A
51-D 52-B 53-B 54-D 55-C 56-C 57-C 58-C 59-B
61-C 62-B 63-D 64-A 65-D 66-D 67-C 68-A 69-B
71-C 72-B 73-C 74-D 75-B 76-A 77-D 78-C 79-A 81 C 82 D 83 C 84 B 85 D 86 D 87 A 88 C 89 D 91 D 92 C 93 C 94 A 95 D 96 B 97 D 98 A