MCQ Fundamental of Computers

MCQ Fundamental of Computers

1.Can you tell what passes into and out from the computer via its ports?
A) Data ✔️
B) Bytes
C) Graphics
D) Pictures

2.FORTRAN is a programming language. What does FORTRAN stand for?
A) File Translation
B) Format Translation
C) Formula Translation ✔️
D) Floppy Translation

3.Which of the following memories needs refreshing?
B) DRAM ✔️
D) All of above

4.An output device that uses words or messages recorded on a magnetic medium to produce audio response is
A) Magnetic tape
B) Voice Response Unit ✔️
C) Voice recognition unit
D) Voice band

5.Which of the following is not purely output device?
A) Screen ✔️
B) Printer
C) Speaker
D) Plotter

6.Which of the following is not a form of data?
A) Numbers and characters
B) Images
C) Sound
D) None of Above ✔️

7.Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square roots?
A) Napier
B) Babbage
C) Pascal
D) Leibniz ✔️

8.Which is not a computer classification?
A) Mainframe
B) Maxframe ✔️
C) Mini
D) Notebook

9.The first Macintosh computer was from
A) First Generation
B) Second Generation
C) Third Generation
D) Fourth Generation ✔️

10.The control unit of a microprocessor
A) Stores data in the memory
B) Accepts input data from keyboard
C) Performs arithmetic/logic function
D) None of Above ✔️

11.Which operation is not performed by computer
A) Inputting
B) Processing
C) Controlling
D) Understanding ✔️

12.Floppy disks which are made from flexible plastic material are also called?
A) Hard disks
B) High-density disks
C) Diskettes ✔️
D) Templates

13.A collection of related instructions organized for a common purpose is referred to as
A) File
B) Database
C) Program ✔️
D) None of above

14.Plotter accuracy is measured in terms of repeatability and
A) Buffer size
B) Resolution ✔️
C) Vertical dimensions
D) Intelligence

15.Computer instructions written with the use of English words instead of binary machine code is called
A) Mnemonics
B) Symbolic Code ✔️
C) Gray codes
D) Opcode

16.On which aspect the analog computers are better than digital?
A) Speed
B) Accuracy ✔️
C) Reliability
D) Automatic

17.Which language is directly understood by the computer without translation program?
A) Machine Language ✔️
B) Assembly language
C) High level language
D) None of above

18.Which of the following processors use RISC technology?
A) 486dx
B) Power PC ✔️
C) 486sx
D) 6340

19.Which of the following machine was not invented by Charles Babbage?
A) Tabulating Machine ✔️
B) Analytical Engine
C) Difference Engine
D) Both C and D

20.The subject of cybernetics deals with the science of
A) Genetics
B) Control and Communication ✔️
C) Molecular biology
D) Biochemistry

21.How many numbers could ENIAC store in its internal memory
A) 100
B) 20 ✔️
C) 80
D) 40

22.Why ABC is considered electro-mechanical computer?
A) Because it was invented before electronic computers were developed
B) Because there are wheels, drums, bars to rotate and move to produce result ✔️
C) Because they use the flow of electrons in different component
D) None of above

23.Which of the following is used for manufacturing chips?
A) Control bus
B) Control unit
C) Parity unit
D) Semiconductor ✔️

24.Binary circuit elements have
A) One stable state
B) Two stable state ✔️
C) Three stable state
D) None of above

25.Which of the following is not a micro computer?
A) Laptop PCs
B) Tablet PCs
C) Desktop PCs
D) None of Above ✔️

26.When did John Napier develop logarithm?
A) 1416
B) 1614 ✔️
C) 1641
D) 1804

27.The value of each bead in earth is
A) 1
B) 3
C) 5
D) 7

28.Which of the following terms is the most closely related to main memory?
A) Non volatile
B) Permanent
C) Control unit
D) Temporary ✔️

29.A group of magnetic tapes, videos or terminals usually under the control of one master is
A) Cylinder
B) Surface
C) Track
D) Cluster ✔️

30.Which was the world’s first minicomputer and when was it introduced?
A) PDP-I, 1958 ✔️
B) IBM System/36, 1960
C) PDP-II, 1961
D) VAX 11/780, 1962

31.The word length of a computer is measured in
A) Bytes
B) Millimeters
C) Meters
D) Bits ✔️

32.Which unit holds data permanently?
A) Input unit
B) Secondary Storage Unit ✔️
C) Output Unit
D) Primary Memory Unit

33.What type of memory is not directly addressable by the CPU and requires special softw3are called EMS (expanded memory specification)?
A) Extended
B) Expanded ✔️
C) Base
D) Conventional

34.Before a disk can be used to store data. It must be_______
A) Formatted ✔️
B) Reformatted
C) Addressed
D) None of the above

35.The first general purpose electronic digital computer in the world was
D) All of above

36.Computer system comprises of major units
A) Input unit, output unit, control unit
B) Input unit, output unit, control unit and storage
C) Input unit, output unit, central processing unit and storage unit ✔️
D) Input, output and storage units

37.Signals can be analog or digital and a computer that processes the both type of signals is known as
A) Analog computer
B) Digital Computer
C) Hybrid Computer ✔️
D) Mainframe Computer

38.Human beings are referred to as Homosapinens, which device is called Sillico Sapiens?
A) Monitor
B) Hardware
C) Robot
D) Computer ✔️

39.High level language is also called
A) Problem oriented language
B) Business oriented language
C) Mathematically oriented language
D) All of the Above ✔️

40.Which of the following file organization is most efficient for a file with a high degree of file activity?
A) Sequential ✔️
D) B-Tree Index

41.Magnetic tape can serve as
A) Secondary Storage Media ✔️
B) Output media
C) Input media
D) All of the above

42.Which of the following is associated with error detector?
A) Odd parity bit
B) Even parity bit
C) Both of the Above ✔️
D) None of above

43.Which company is the biggest player in the microprocessor industry?
A) Motorola
C) Intel ✔️

44.The first digital computer built with IC chips was known as
A) IBM 7090
B) Apple ? 1
C) IBM System / 360 ✔️
D) VAX-10

45.MICR stands for
A) Magnetic Ink Character Reader ✔️
B) Magnetic Ink Code Reader
C) Magnetic Ink Cases Reader
D) None

46.EBCDIC can code up to how many different characters?
A) 256 ✔️
B) 16
C) 32
D) 64

47.Number crunchier is the informal name for
A) Mini Computer
B) Super Computer ✔️
C) Microcomputer
D) Mainframe Computer

48.RATS stand for
A) Regression Analysis Time Series ✔️
B) Regression Analysis Time Sharing
C) Real Analysis Series
D) All of above

49.Different components of the motherboard of a PC unit are linked together by sets of parallel electrical conducting lines. What are these lines called?
A) Conductors
B) Buses ✔️
C) Connectors
D) Consecutives

50.Which technology is used in Compact disks?
A) Mechanical
B) Electrical
C) Electro Magnetic
D) Laser ✔️

51.Which is the first electronic digital computer?
C) Z3
D) ABC ✔️

52.Which of the following is a storage device?
A) Tape
B) Hard Disk
C) Floppy Disk
D) All of the Above ✔️

53.The metal disks, which are permanently housed in, sealed and contamination free containers are called
A) Hard disks
B) Floppy disk
C) Winchester Disk ✔️
D) Flexible disk

54.Intel Corporation produces chips for which computers?
A) IBM PCs ✔️
B) Apple/Macintosh PCs
C) Both of above
D) None of above

55.A computer program that converts an entire program into machine language is called a/an
A) Interpreter
B) Simulator
C) Compiler ✔️
D) Commander

56.The first microprocessor built by the Intel corporation was called
A) 8008
B) 8080
C) 4004 ✔️
D) 8800

57.Which of the following is not a class of computers based on size?
A) Mainframe Computers
B) Mini Computers
C) Micro Computers
D) Super Computers ✔️

58.Who invented EDSAC?
A) John V. Neumann
B) J.P. Eckert and John Mauchley
C) Maurice Wilkes ✔️
D) Howard Aiken

59.Which of the following is a class of computers based on model?
A) Digital Computer
B) Hybrid Computers
C) Analog Computers
D) AT Computers ✔️

60.What are the computers called that performs calculations and comparisons usually in the binary numbering system?
A) Analog Computers
B) Digital Computers ✔️
C) Hybrid Computers
D) None of above

61.The data recording format in most of the modern magnetic tape is
A) 7-bit ASCII
B) 7-bit EBCDIC
C) 8-bit ASCII
D) 8-bit EBCDIC ✔️

62.ASCII stands for
A) American Standard Code for Information Interchange ✔️
B) American Scientific Code for International Interchange
C) American Standard Code for Intelligence Interchange
D) American Scientific Code for Information Interchange

63.Why ABC computer is called so?
A) Because it was developed by Atanasoff and Berry
B) Because it was thought to be the first computer so named with first alphabets of English ✔️
C) Both of above are the reason to name the computer ABC
D) None of above are true

64.Who designed the first electronics computer? ENIAC/
A) Von Neumann
B) Joseph M Jacquard
C) J. P. Eckert and J. W. Mauchly ✔️
D) All of above

65.IBM 1401 computer was
A) Mainframe Computer ✔️
B) Mini Computers
C) Micro Computers
D) None of above

66.Central Processing Unit is combination of
A) Control and storage
B) Control and output unit
C) Arithmetic Logic and Input Unit ✔️
D) Arithmetic logic and control unit

67.Time during which a job is processed by the computer is
A) Delay times
B) Real time
C) Execution Time ✔️
D) Down time

68.CD-ROM stands for
A) Compactable Read Only Memory
B) Compact Data Read Only Memory
C) Compactable Disk Read Only Memory
D) Compact Disk Read Only Memory ✔️

69.Which unit is known as nerve center of computer?
A) ALU ✔️
C) Memory
D) Registers

70.Which unit converts user data into machine readable form?
A) Input Unit ✔️
B) Output unit
D) Control Unit

71.What does the disk drive of a computer do?
A) Rotate the disk
B) Read the disk
C) Load a program from the disk into the memory
D) Both B and C ✔️

72.Access time is
A) Seek Time + Latency Time
B) Seek Time
C) Seek Time
D) Latency Time

73.Who invented the Microprocessor?
A) Marcian E Huff ✔️
B) Herman H Goldstein
C) Joseph Jacquard
D) All of above

74.The Width of a processor’s data path is measured in bits. Which of the following are common data paths?
A) 8 bits ✔️
B) 12 bits
C) 16 bits
D) 32 bits

75.MSI is the abbreviation of
A) Medium Scale Integrated ✔️
B) Medium System Integrated
C) Medium Scale Intelligent
D) Medium System Intelligent

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

77.IBM launched its first personal computer called IBM-PC in 1981. It had chips from Intel, disk drives from Tandon, operating system from Microsoft, the printer from Epson and the application software from everywhere. Can you name the country which contribute
A) India
B) China
C) Germany
D) Taiwan ✔️

78.Easily reloctable language is
A) Machine language
B) Assembly Language ✔️
C) High level language
D) Medium level language

79.Which of the following memories needs refresh?
B) DRAM ✔️
D) All of above

80.What type of device is computer keyboard?
A) Memory
B) Output
C) Storage
D) Input ✔️

81.Through which device the main components of the computer communicate with each other?
A) Keyboard
B) System Bus ✔️
C) Monitor
D) Memory

82.Which is the limitation of high level language?
A) Lower Efficiency ✔️
B) Machine dependence
C) machine level coding
D) None of above

83.An example of a digital device can be
A) Digital Clock ✔️
B) Automobile speed meter
C) Clock with a dial and two hands
D) All of the above

84.A characteristic of card systems is:
A) Slowness in processing data
B) Using cards as records of transactions
C) Needing a larger DP staff
D) All of the Above ✔️

85.Which of the following is not true?
A) Transistors are much smaller
B) Transistors produce low heat
C) Transistors were less reliable ✔️
D) Transistors were used in radios and other electronic devices

86.The full form of EEPROM is
A) Electrically Erasable Programmable Read Only Memory ✔️
B) Easily Erasable Programmable Read Only Memory
C) Electronic Erasable Programmable Read Only Memory
D) None of the above

87.The original ASCII code used__bits of each byte, reserving that last bit for error checking
A) 5
B) 6
C) 7
D) 8

88.Fifth generation computer is also known as
A) Knowledge information processing system ✔️
B) Very large scale integration (VLSI)
C) Both of above
D) None of above

89.A computer programmer
A) Does all the thinking for a computer ✔️
B) Can enter input data quickly
C) Can operate all types of computer equipment’s
D) Can draw only flowchart

90.The commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called
D) All of Above ✔️

91.Which of the following memories need refresh?
B) DRAM ✔️
D) All of the above

92.Which of the following have low failure rate?
A) Mechanical devices
B) Electronic Devices ✔️
C) Electro-mechanical devices
D) None of above

93.The ALU of a computer normally contains a number of high speed storage element called
A) Semiconductor memory
B) Registers ✔️
C) Hard disks
D) Magnetic disk

94.A typical personal computer used for business purposes would have__ of RAM.
A) 4 KB
B) 16 K
C) 64 K
D) 256 K ✔️

95.EEPROM Stand for
A) Electrically Erasable Programmable Read Only Memory ✔️
B) Electronic Erasable Programmable Read Only Memory
C) Easily Erasable Programmable Read Only Memory
D) Easily Erasable Programmable Read Only Memory

96.MICR Stand for
A) Magnetic Ink Character Reader ✔️
B) Magnetic Ink Code Reader
C) Magnetic Ink Case Reader
D) Magnetic Ink Case Reader

97.Which of the following is first generation of computer
B) IBM-1401
C) CDC-1604
D) ICL-2900

98.For what Antikyathera was used?
A) For counting
B) For Calculating tax collection
C) For calculating astronomical positions ✔️
D) For calculating firing weapons

99.Which of the following magazines covers only the IBM PC and its compatibles?
A) Byte ✔️
B) PC Magazine
C) Personal Computing
D) Interface Age

100.UNIVAC was a first generation computer. What is its full form?
A) Universal Automatic Computer
B) Universal Array Computer
C) Unique Automatic Computer ✔️
D) Unvalued Automatic Computer

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