basic computer q paper

7/27/2019 Basic Computer Q Paper

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Basic Computer

1. Why MOSFET has high input resistance

a. Very less leakage current

b. Negative source and gate

c. Because of depletion layer

d. No channel

2. ARINC 429 use data in

a. binary

b. binary coded decimalc. discrete

d. all of the above.

3. 8 bit register that stores the memory o/p when a

memory read operation is performed

a) MAR

b) MDR

c) IR

d) PC

4. computer which receives data & do not transfer

data

a) MAR & IR only*

b) ALU & PC

c) IR & ALU

5. The unit where calculations are processed is

called

a) Central processing unit (CPU)

b) Control unit

c) Arithmetic and logic unit (ALU)d) Computing unit

6. Sequence of steps for computing a program is

known as

a) Flow chart

b) Sequence process

c) Algorithm

d) None of these

7. Basic function of a computer is

a) Additionb) Multiplication

c) Division

d) All are correct

8. EDP stands for

a) Electrical data processing

b) Electronic data processing

c) Entry data processing

d) Electronic discrete programme

9. A computer basicallya) Processes data

b) Stores data as per given instructions

c) Perform mathematical calculations

d) All are correct

10. Computer stores instructions in

a) English language

b) Decimal number system

c) Octal number system

d) Binary

11. Assembler is

a) An individual who assembles computer

b) Languagec) Programme

d) None of these

12. Input unit of a computer communicates between

a) Operator & computer

b) Memory with printer

c) CPU with monitor

d) Output & computer

13. Primary memory of a computer are

a) RAM, ROM

b) RAM, ROM, PROM

c) RAM, ROM, CPU

d) RAM, ROM, Hard Disc

14. Hard disc & floppies are

a) For different purpose

b) For same purpose but hard disc stores more

information

c) For same purpose but hard disc stores less

informationd) None of these

15. Algorithm uses

a) One input, one output

b) One input, two output

c) One input, multiple output

d) None of these

16. To solve a fifteen step problem, a computer will

work in

a) Sequenceb) Repetition

c) Selection

d) Sequence and repetition

17. Which of the following is a storage device?

a) Mouse

b) Monitor

c) CPU

d) Hard disk

18. RAM stands fora) Read & access memory

b) Random access memory

c) Record and maintain

d) None of these


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19. In excess3 codes, BCD 1001 will be written as

a) 9 b) 1011

c) 1100 d) 1001

20. In computer terminology, MICR means

a. Magnetic Ink Character Recognition

b. Magnetic Ink Computer Recognition

c. Monitor Indicating Computer Relay

d. Mass Information Computer Record

21. Which of the following memories has got equal

access time for all locations of the memory limit?

a. Read Only Memory (ROM)

b. Programmable Read Only Memory (PROM)

c. Random Access Memory (RAM)

d. Erasable ROM

22. The unit where calculations are preferred is

called

(a) Central processing unit (CPU)

(b) Control Unit

(c) Arithmetic and logic unit (ALU)

(d) Computing unit

23. Input unit of computer communicates between

(a) Operator and Computer

(b) Memory with printer

(c) CPU with monitor

(d) Output and Computer

24. Speed of processor is measured in

(a) Kilobit / Sec

(b) Hertz

(c) Byte

(d) RPM

25. A byte is a group of

(a) 2 bits (b) 4 bits

(c) 8 bits (d) 16 bits

26. In digital computer system, number of states

used is

(a) 2 (b) 3

(c) 8 (d) 16

27. The term ROM means

(a) Random Operation Memory

(d) Read and Operate Memory

(c) Read only Memory

(d) None

28. 49. Basic function of a computer is

a) Addition

b) Multiplication

c) Division

d) All are correct

29. Computer stores instructions in

a) English language

b) Decimal number system

c) Octal number system

d) Binary

30. High speed semi conductor memory, which is

used as additional memory devicea) ROM

b) PROM

c) Cache memory

d) None of these

31. Floppy disk is a

a) Flexible storage

b) Permanent storage

c) ROM

d) Fast storage

32. Which of the following storage has greatest

capacity with less cost per bit?

a) Semi conductor memory

b) Magnetic tape

c) Magnetic drum

d) None of these

33. Which of the following statement is true?

a) Compiler is the name given to the computeroperator

b) Compiler is the part of the digital machine to

store the information

c) Compiler is the translator of source program to

object program

d) Compiler is the name given to the punched tape

34. Which of the following memories has got equal

access time for all locations of the memory limit?

a) Read Only Memory (ROM)b) Programmable Read Only Memory

(PROM)

c) Random Access Memory (RAM) d)

Erasable ROM

35. Which of the following memories will be used to

store variable quantities or data

a) RAM b) ROM

c) PROM d) EPROM

36. The most powerful computer is

a) Micro computer

b) Super computer


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c) Mini computer

d) Lap top computer

37. Excess speed of computer depends upon

a) Software used

b) Frequency and signal received

c) Both Software and Hardware d) Only

Hardware

38. Which are related to the memory

1. Hard disk 2. Key board 3. CD ROM 4. Monitor

a) 1 & 2

b) 2 & 3

c) 1 & 3

d) 2 & 4

39. Expand the term RAM

a) Random Access Memory b)

Reverse Access Memory

c) Random Access Monitor d)

Reverse Access Monitor

40) Which language is the oriented language?

a) PASCAL

b) BASIC

c) FORTRAN d)

COBOL

41) In third generation computer

a) Integrated circuits are used b)Microprocessor is used

c) Transistors are used

d) None of the above

42) The unit of Memory is

a) Bytes

b) Mega bite

c) Mill d)

Byles

43. Analog computer is

a) More correct than digital computer b) Less

accurate than digital computer

c) Equal with digital computer

d) None of these

44. One nibble is equal to

a) 8 bits

b) 4 bytes

c) 8 bytes

d) 4 bits

45. How many bits are there in 1KB?

a) 1000 bits b) 1024

bits

c) 2048 bits d) 108

bits

46. A modern computer uses

a) Decimal language b)

Binary language

c) Hexadecimal language d) All

of the above

47. When data has to be read, the control structure

will be

a) In sequence

b) In sequence and repetition

c) Repetition and sequence d) None

of them

48. A computer consists of

a) Printer, Decoder, Memory

b) Input, Output, CPU

c) Input, Output, Printer

d) None of the above

49. Computer viruses can spread from one computer

to another by means of

a) An infected disk b)

Links to a network

c) Any electronic communication medium d) All

of the above are correct

50. FORTRAN & COBOL area) High Level Language

b) Assembly Language

c) Machine Language

d) Fourth Generation Language

51. Input unit of computer communicates between

a) Operator and Computer

b) Memory with printer

c) CPU with monitor

d) Output and computer

52. A computer in a/an

a) mechanical deviceb)electrical device

b) electronic deviced)electromechanical device

53. A flow chart is a

a) step wise representation of a programmeb)a systematic pictorial representation

of a programme

b) is a kind of programme written in high levellanguage d)either a & b


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54. In order to drew a flow chart we used this

symbol

a) for input/outputb) for processingc) for start/setupd) for decision making

55. A digital computer can be operated with

a) only numerical datab) only non numerical datac) both numerical and non numerical datad) neither numerical nor non numerical data

56. Algerithm is a:

a) pictorial representation of a programmeb) a stepwise systematic representation of a

programme

c) high level language to represent aprogramme systematically

d) assembly language to represent a programmesystematically

57. An integrated circuit is

a) a complicated circuitb) much costlier than a single transistorc) an integrated deviced) fabricated on a tiny silicon chip

58. Analog computers are

a) slower than digital computersb) less accurate than digital computersc) costlier than digital computersd) powerful than digital computers

59. The decrease between a computer and calculator

is

a) the former is programmable and later is nonprogrammable

b) the former can process data and the latercannot

c) the former includes control unit and the laterdoes not

d) the former can be note book type but the latercannot be of non portable type

60. ENIAC stands of

a) Electronic numerical integrator and computerb) Electronical numerical integrator and

calculator

c) Electronic numerical integrator andcalculator

d) Electronic numeric integrator and computers61. ENIAC is

a) a first generation computerb) a second generation computerc) a third generation computerd) a fourth generation computer

62. The main component used in 2nd generation

computer was

a) vaccume tubesb) transistorsc) Icsd) Mocroprocesor

63. A microprocessor is a/an

a) integrated circuit fabricated on silicon chipb) the processing unit of the computerc) the brain of the computerd) all of the above

64. The latest of the following:

a) laptopb) super computerc) desk topd) mainframe

65. The most powerful of the following:

a) Minicomputerb) Microcomputerc) Mainframed) Supercomputer

66. Main difference between PC/ATI and PC/XT

are:

a) PC/AT has much more memory than PC/XTb) PC/AT has much more speed than PC/XTc) PC/AT has multi terminal facility and PC/XT

has only single terminal facility

d) PC/XT has multi terminal facility and PC/AThas single terminal facility

67. Binary equivalent of 0.625

a) 0.010102b) (0.101)2


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c) 0.11002d) 0.010112

68. If the inputs of a gate are A and B and its output

is A+B the gate is:

a) OR gateb) AND gatec) X-OR gated) X-NOR gate

69. The given truth table is for

A B C

1 1 1

0 0 1

0 1 0

1 0 0

a) XOR gateb) NOR gatec) NAND gated) OR gate

70. 2 complement of the binary digit is

a) 01b) 1c) 10d) 0

71. XOR gate is:

a) a parallel switching circuit with excludecondition

b) series switching circuit with excludecondition

c) parallel switching circuitd) series switching circuit

72. Find the odd man out

a) ALU, memory, countersb) CU, floppy disket, registersc) Control unit, MPU,d) ALU, auxiliary memory

73. The CPU of the 4th generation computer is

a) An IC chip using VLSI technologyb) Microprocessorc) Both a & bd) None of the above

74. INTEL is a company involved in the

manufacturing of

a) printersb) storage devicesc) IC chipd) None of the above

75. Bill gates is the chairman of

a) IBMb) Microsoftc) Inteld) Motorola

76. The company Microsoft is involved in

a) making of computer hardwareb) making of computer softwarec) both a & bd) none of the above

77. The fastest of the following is

a) 80286 processorb) 80386 processorc) 80436 processord) Pentium processor

78. The main memory of the computer is

a) RAMb) ROMc) Hard diskd) CD

79. RAM is

a)

volatile semiconductor memoryb) read/write memoryc) random access memoryd) all of the above


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80. ROM is

a) read memoryb) write memoryc) both a & bd) none of the above

81. EPROM can be erased by

a) sodium lightb) uv raysc) Electrical pulsesd) Either UV rays or electrical pulses

82. The fastest memory of the following

a) RAMb) ROMc) Cached) Hard disk

83. The main memory of a computer is located in

a) the hard discb) compact diskc) floppy diskd) none

84. ROM is

a) volatile semi conductor memoryb) non volatile semi conductor memoryc) magnetic memoryd) all of the above

85. The processing of the CPU is in the order of

a) millisecondb) microsecondc)

nanosecondd) megasecond

86. DRGM is

a) Semi conductor memoryb) Volatile memoryc) Has to be coefficiated with the data after a

certain interval of time

d) All of the above87. 1KB is equal to

a) 1000 bytesb) 2 bytes

c) 1000 MBd) none of the above

88. A nibble is equal to

a) 8 bitsb) 4 bitsc) 2 bitsd) 16bits

89. The fastest component of the computer is

a) CPUb) Computer memoryc) Storage devicesd) Input/output devices

90. Locate the odd man out

a) hard diskb) floppy diskc) magnetic taped) compatt disk

91. Compact disk is a

a) semi conductor deviceb) magnetic devicec) optical deviced) none of the above


a) OBRb) OMRc) OCRd) MICR

93. Floppy diskett is a :

a) EPROMb) RAMc) EEPROMd) Flexible storage media

95. The slowest of the following is

a) hard diskb) floppy diskc) CDd) Magnetic tape


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96. CPROM is released by

a) b) infrared lightc) electrical packaged) by appropriate programming only

97. Vol storages are those from where data are lost

a) when the programme is overb) with respect to timec) when the power is shutoffd) all the above except c


a) light penb) plotterc) moused) joystick

99. The printed document in computer

terminology is termed as

a) soft copyb) hard copyc) firm copyd) live copy

100. The display of MONITOR of a computer

system is mostly

a) semi conductor displayb) LED type displayc) LCD type displayd) Electron beam type

101. Choose the correct statement among thefollowing

a) Line printer is non impact printerb) LASER printer is a non impact printerc) DOT matrix printer is non impact printerd) Character printer is faster than line printer

102. Printer is connected through

a) parallel portb) serial portc) both a & bd) none of the above

103. The screen in the laptop computer is

a) CPTb) LCDc) Semi conductor displayd) All of the above

104. Which of the following is fixed disk drive

a) hard disk driveb) floppy disk drivec) winchaster disk drived) CD-ROM drive

105. Modem is an

a) input deviceb) output devicec) input/output deviced) none of the above


a) Dot matrix printerb) Inkjet printerc) Chain printerd) Drum printer107. Optical scanner is aa) input device

b) output devicec) input/output deviced) none of the above

108. A software is a

a)

set of programmesb) set of instructionsc) all of the aboved) none of the above

109. Disk operating system is

a) a system softwareb) software environmentc) software utility packaged)

a high level language

110. Computer virus is a

a) software programme


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b) hardware programmec) machine languaged) assembly language

111. Assembly language is

a) low level languageb) high level languagec) machine languaged) all generation language

112. Which of the following language used

memories

a) machine languageb) assembly languagec) high level languaged) all generation language

113. Which of the following is a scientific language

a) COBOLb) ADAc) FOPTRANd) BASIC

114. Which of the following is not a language

a) FOXPROTb) LISPc) Cd) VISUAL C++

115. Pick the odd man out

a) DOSb) UNIXc) WIN-95d) DBASE

116. A package is a

a) softwareb) set of instructionc) a programmed)

all of the above

117. Windows 3.1 is a/an

a) operating system

b) operating environmentc) packaged) language

118. Which of the following is not a high level

language

a) basicb) Cc) Assemblyd) Cobol

119. Which of the following is not a high level

computer language

a) windowsb) visual c++c) corald) pascal

120. DOS stands for

a) data operating systemb) disk operating systemc) diode operating systemd) none of the above

121. Unix is a

a) a softwareb) a programmec) multiuser operating systemd) all of the above

122. Assembler is

a) a softwareb) a translatorc) a programmed) all the above

123. High level language are

a) machine dependentb) machine independentc) language in which programme is done in 1 &

0

d) b & c124. Interpreter in computer field is a

a) softwareb) floppyc) hardware


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d) the special electronic circuit which translatehigh level to low level

125. Internet system is based on

a) WAN systemb) LAN systemc) Mainframe computer systemd) Many computers connected to a other

computer

126. GUI stands for

a) graphical user interfaceb) graphical user internetc) graph & user interfaced) graph & user internet

127. Y2K problem is a

a) software problemb) hardware problemc) data problemd) all the above

128. Virus affects

a) hardwareb) softwarec) both a & bd) none of the above

129. Anti virus software is

a) dreaded softwareb) software to scan & remove softwarec) packaged) none of the above

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basic computer q paper

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