Fundamental of Computer MCQ

Fundamental of Computer MCQ

1.What is the date when Babbage conceived Analytical engine
(A) 1642
(B) 1837 ✔️
(C) 1880
(D) 1850

2.The two major types of computer chips are
(A) External memory chip
(B) Primary memory chip
(C) Microprocessor chip
(D) Both B and C ✔️

3.The basic operations performed by a computer are
(A) Arithmetic operation
(B) Logical operation
(C) Storage and relative
(D) All the Above ✔️

4.Microprocessors as switching devices are for which generation computers
(A) First Generation
(B) Second Generation
(C) Third Generation
(D) Fourth Generation ✔️

5.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

6.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.

7.The brain of any computer system is
(B) Memory
(C) CPU ✔️
(D) Control unit

8.The two kinds of main memory are:
(A) Primary and secondary
(B) Random and sequential
(C) ROM and RAM ✔️
(D) All of above

9.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 ✔️

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
(A) Memory
(B) Buffer ✔️
(C) Accumulator
(D) Address

11.Integrated Circuits (ICs) are related to which generation of computers?
(A) First generation
(B) Second generation
(C) Third generation ✔️
(D) Fourth generation

12.Computer is free from tiresome and boardroom. We call it
(A) Accuracy
(B) Reliability
(C) Diligence ✔️
(D) Versatility

13.CD-ROM is a
(A) Semiconductor memory
(B) Memory register
(C) Magnetic memory
(D) None of Above ✔️

14.Which type of computers uses the 8-bit code called EBCDIC?
(A) Minicomputers
(B) Microcomputers
(C) Mainframe Computers ✔️
(D) Super computer

15.A hybrid computer
(A) Resembles digital computer
(B) Resembles analogue computer
(C) Resembles both a Digital and Analogue Computer ✔️
(D) None of the above

16.The ALU of a computer responds to the commands coming from
(A) Primary memory
(B) Control section ✔️
(C) External memory
(D) Cache memory

17.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

18.Chief component of first generation computer was
(A) Transistors
(B) Vacuum Tubes and Valves ✔️
(C) Integrated Circuits
(D) None of above

19.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

20.The main electronic component used in first generation computers was
(A) Transistors
(B) Vacuum Tubes and Valves ✔️
(C) Integrated Circuits
(D) None of above

21.Which of the following IC was used in third generation of computers?
(B) MSI ✔️
(D) Both A and B

22.A dumb terminal has
(A) an embedded microprocessor
(B) extensive memory
(C) independent processing capability
(D) A keyboard and Screen ✔️

23.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

24.One millisecond is
(A) 1 second
(B) 10th of a seconds
(C) 1000th of a seconds ✔️
(D) 10000th of a seconds

25.Which of the following was a special purpose computer?
(A) ABC ✔️
(D) All of the 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 ✔️
(C) Z3

28.What was the computer invented by Attanasoff and Clifford?
(A) Mark I
(B) ABC ✔️
(C) Z3
(D) None of above

29.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

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.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 ✔️

32.Which of the following is not an input device?
(B) Optical scanners
(C) Voice recognition device
(D) COM (Computer Output to Microfilm) ✔️

33.Which statement is valid about interpreter?
(A) Object code is saved for future
(B) Repeated interoperation is not necessary
(C) It translates one instruction at a time ✔️
(D) All of above

34.The accuracy of the floating-point numbers represent able in two 16-bit words of a computer is approximately
(A) 16 digits
(B) 6 digits
(C) 9 digits
(D) All of Above ✔️

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?
(A) Motherboard ✔️
(B) Breadboard
(C) Daughter board
(D) Grandmother board

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.Magnetic disks are the most popular medium for
(A) Direct access
(B) Sequential access
(C) Both of above
(D) None of Above ✔️

38.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

39.When was vacuum tube invented?
(A) 1900
(B) 1906 ✔️
(C) 1910
(D) 1880

40.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

41.Which of the following produces the best quality graphics reproduction?
(A) Laser printer
(B) Ink jet printer
(C) Plotter ✔️
(D) Dot matrix printer

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.Computers with 80286 microprocessor is
(A) XT Computer
(B) AT Computers
(C) PS/2 Computer
(D) None of Above

44.Which of the following is not processing?
(A) Arranging
(B) Manipulating
(C) Calculating
(D) Gathering ✔️

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.The digital computer was developed primarily in
(B) Japan
(C) USA ✔️
(D) UK

47.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.

48.The arranging of data in a logical sequence is called
(A) Sorting ✔️
(B) Classifying
(C) Reproducing
(D) Summarizing

49.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 ✔️

50.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

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.Abacus was the first
(A) Electronic Computer
(B) Mechanical Computer
(C) Electronic Calculator
(D) Mechanical Calculator ✔️

54.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 ✔️

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.A set of flip flops integrated together is called __
(A) Counter
(B) Adder
(C) Register ✔️
(D) None of the above

58.The value of each bead in heaven is
(A) 1
(B) 3
(C) 5 ✔️
(D) 7

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
(C) Both of Above ✔️
(D) None of above

61.The first computer introduced in Nepal was
(A) IBM 1400
(B) IBM 1401 ✔️
(C) IBM 1402
(D) IBM1402

62.Which generation of computer is still under development
(A) Fourth Generation
(B) Fifth Generation ✔️
(C) Sixth Generation
(D) Seventh Generation

63.A register organized to allow to move left or right operations is called a __
(A) Counter
(B) Loader
(C) Adder
(D) Shift Register ✔️

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
(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.Which was the most popular first generation computer?
(A) IBM 650 ✔️
(B) IBM 360
(C) IBM 1130
(D) IBM 2700

68.BCD is
(A) Binary Coded Decimal ✔️
(B) Bit Coded Decimal
(C) Binary Coded Digit
(D) Bit Coded Digit

69.When was the world’s first laptop computer introduced in the market and by whom?
(A) Hewlett-Packard, 1980
(B) Epson, 1981 ✔️
(C) Lap link Traveling Software Inc, 1982
(D) Tandy Model-200, 1985

70.From which generation operating systems were developed?
(A) First
(B) Second
(C) Third ✔️
(D) Fourth

71.The first firm to mass-market a microcomputer as a personal computer was
(B) Super UNIVAC
(C) Radio Shaks ✔️
(D) Data General Corporation

72.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

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 vacuum tubes are 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

76.Properly arranged data is called
(A) Field
(B) Words
(C) Information ✔️
(D) File

77.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 ✔️

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

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 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

82.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 ✔️

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.The word processing task associated with changing the appearance of a document is
(A) Editing
(B) Writing
(C) Formatting ✔️
(D) All of above

85.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 ✔️

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.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 ✔️

88.When was Pascaline invented?
(A) 1617
(B) 1620
(C) 1642 ✔️
(D) 1837

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 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 ✔️

92.Which of the following is the first computer to use Stored Program Concept?
(C) EDSAC ✔️
(D) None of above

93.In which year was UK’s premier computing event 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.The term gigabyte refers to
(A) 1024 bytes
(B) 1024 kilobytes
(C) 1024 megabytes ✔️
(D) 1024 gigabyte

96.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

97.Machine language is
(A) Machine dependent
(B) Difficult to program
(C) Error prone
(D) All of Above ✔️

98.Modern Computers are very reliable but they are not
(A) Fast
(B) Powerful
(C) Infallible ✔️
(D) Cheap

99.UNIVAC is
(A) Universal Automatic Computer ✔️
(B) Universal Array Computer
(C) Unique Automatic Computer
(D) Unvalued Automatic Computer

100.A byte consists of
(A) One bit
(B) Four bits
(C) Eight bits ✔️
(D) Sixteen bits

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