1.1 Basic hardware and software
1.1.1 History of computers1. Logarithm was invented by .
(a) John Napier (b) Edmund Gunter (c) Blaise Pascal (d) Charles Babbage
2. Mechanical calculator was invented by .
(a) John Napier (b) Edmund Gunter (c) Blaise Pascal (d) Charles Babbage
3. Slide rule was invented by .
(a) John Napier (b) Edmund Gunter (c) Blaise Pascal (d) Charles Babbage
4. First general purpose computer was invented by .
(a) John Napier (b) Edmund Gunter (c) Blaise Pascal (d) Charles Babbage
5. The first computer was invented by Charles Babbage was called .
(a) slide rule (b) difference engine (c) ENIAC (d) calculator
6. is called father of modern computers.
(a) John Napier (b) Edmund Gunter (c) Blaise Pascal (d) Charles Babbage
7. Difference engine used for input.
(a) punched card (b) DVD (c) hard disk (d) floppy disk
8. Difference engine provided its output through .
(a) printer (b) curve plotter (c) card punching machine/ bell (d) all of them
9. The computer which worked on continuously changing quantities (like electricity, water flow, etc.) for input
were called .
(a) ENIAC (b) logarithm (c) analog computer (d) mainframe computer
10. Analog computer was invented by
. (a) John Napier (b) Sir William Thomson (c) Blaise Pascal (d) Charles Babbage
11. Computers like Colossus, were used for German military communication during World War II.
(a) decrypting (b) scrambling (c) randomizing (d) encrypting
12. Theoretical definition of a general purpose computer was provided by .
(a) Allen Turing (b) John Napier (c) Blaise Pascal (d) Edmund Gunter
13. The first general purpose computer, which fulfilled Turing’s definition of a general purpose computing
machine was .
(a) slide rule (b) ENIAC (c) logarithm (d) Colossus
14. The first generation computer was called
(a) slide rule (b) ENIAC (c) logarithm (d) Colossus
15. First generation computer (named ENIAC) was designed and fabricated by
. (a) John Napier (b) Endmund Gunter (c) Blaise Pascal (d) J.P. Eckert & J.W. Mauchy
16. First generation computer (named ENIAC) was designed and fabricated at .
(a) University of Pensylvenia, USA (b) University College, London (c) University of California, Berkeley, USA (d)
Cambridge University, UK
17. First generation computer (named ENIAC) was created in the year .
(a) 1945 (b) 1959 (c) 1965 (d) 1971
18. First generation computer (named ENIAC) used technology for processing data.
(a) transistor (b) Integrated Circuit (IC) (c) vacuum tube (d) Very Large Scale Integration (VLSI)
19. First generation computer (named ENIAC) used more than kW of electric power.
(a) 200 (b) 1000 (c) 2000 (d) 3000
20. First generation computer (named ENIAC) used for input.
(a) punched card (b) paper tape (c) magnetic tape (d) all of them
21. First generation computer (named ENIAC) used for output.
(a) punched card (b) paper tape (c) magnetic tape (d) all of them
22. language was used to program first generation computer (named ENIAC).
(a) C (b) machine language (c) C++ (d) Java
23. Second generation computer was created in the year .
(a) 1945 (b) 1959 (c) 1965 (d) 1971
24. Second generation computer used technology for processing data.
(a) transistor (b) Integrated Circuit (IC) (c) vacuum tube (d) Very Large Scale Integration (VLSI)
25. Second generation computer used for main memory.
(a) DVD (b) magnetic core (c) hard disk (d) CD
26. Second generation computer used for input.
(a) magnetic disk (b) magnetic tape (c) both a & b (d) neither a nor b
27. Second generation computer used for output.
(a) magnetic disk (b) magnetic tape (c) both a & b (d) neither a nor b
28. language was used to program second generation computer.
(a) FORTRAN (b) COBOL (c) both a & b (d) neither a nor b
29. Third generation computer was created in the year .
(a) 1945 (b) 1959 (c) 1965 (d) 1971
30. Third generation computer used technology for processing data.
(a) transistor (b) Integrated Circuit (IC) (c) vacuum tube (d) Very Large Scale Integration (VLSI)
31. Third generation computer used for input.
(a) magnetic disk (b) magnetic tape (c) keyboard (d) all of them
32. Third generation computer used for output.
(a) magnetic disk (b) magnetic tape (c) monitor (d) all of them
33. language was used to program third generation computer.
(a) FORTRAN-II to IV,COBOL (b) BASIC,PASCAL (c) PL/1, ALGOL-60 (d) all of them
34. Fourth generation computer was created in the year . (a) 1959 (b) 1965 (c) 1971 (d) 1980
35. Fourth generation computer used technology for processing data.
(a) Integrated Circuit (IC) (b) vacuum tube (c) Very Large Scale Integration (VLSI) (d) Ultra Large Scale
Integration (ULSI)
36. Fourth generation computer used for input.
(a) magnetic disk (b) magnetic tape (c) keyboard (d) all of them
37. language was created during the advent of fourth generation computers.
(a) C (b) C++ (c) both a & b (d) neither a nor b
38. In fourth generation computers, were used for secondary storage of data.
(a) floppy disk (b) hard disk (c) tape drive (d) all of them
39. generation computers first earned the name of Personal Computer (PC).
(a) first (b) second (c) third (d) fourth
40. Productivity tools like Wordstar, Lotus, DBASE, FOXPRO, etc. flourished during the era of generaton
computers.
(a) first (b) second (c) third (d) fourth
41. Internet was created during the era of generation computers.
(a) second (b) third (c) fourth (d) fifth
42. Fifth generation computer was created in the year .
(a) 1959 (b) 1965 (c) 1971 (d) 1980
43. Fifth generation computer used technology for processing data.
(a) Integrated Circuit (IC) (b) vacuum tube (c) Very Large Scale Integration (VLSI) (d) Ultra Large Scale
Integration (ULSI)
44. Fifth generation computer used for input.
(a) mouse (b) keyboard (c) scanner/light pen (d) all of them
45. language created during the advent of fifth generation computers.
(a) Java (b) C# (c) both a & b (d) neither a nor b
46. In fifth generation computers, were used for secondary storage of data.
(a) floppy disk (b) hard disk (c) CD/ DVD drive (d) all of them
47. Several new forms of personal computer, viz., laptop, notebook, ultrabook, tablet PC, smartphones,
Chromebook, Raspberry PI, were created during the era of .
(a) second (b) third (c) fourth (d) fifth
48. Personal computer is otherwise called
.
(a) micro-computer
(b) desktop
(c) both a & b
(d) neither a nor b
49. In a personal computer, multiple users
.
(a) can login and work at differnt times
(b) cannot login and work at the same time
(c) although multiple users are supported, only one person can login at given time
(d) all of them
50. The computer having better graphics capacity, more main memory, more pro- cessing power and more storage com- pared to personal computer is called
.
(a) tablet PC
(b) Raspberry PI
(c) workstation computer
(d) smartphone
51. The computer used for professional works like CAD/CAM, animation, desk- top publication, high power gaming, etc. is called .
(a) tablet PC
(b) Raspberry PI
(c) workstation computer
(d) smartphone
52. A computer which supports concurrent login for 100 or 200 persons is called
.
(a) mini-computer
(b) micro-computer
(c) tablet PC
(d) laptop
53. A computer which supports concurrent login for thousands of users is called
.
(a) mainframe computer
(b) micro-computer
(c) tablet PC
(d) laptop
54. computer has enormous processing power, memory and storage and supports thousands of concurrent logins.
(a) mainframe computer
(b) micro-computer
(c) cloud computer
(d) laptop
55. A collection of computers used for on- line data storage through the Internet is called .
(a) mainframe computer
(b) micro-computer
(c) cloud computer
(d) laptop
56. A computer having large processing power, used for scientific research, simu- lation of experiments, nuclear research, high power number crunching, etc. is called .
(a) smartphone
(b) micro-computer
(c) workstation computer
(d) supercomputer
57. The most common type of computer used at homes and offices is called
.
(a) Personal Computer (PC)
(b) super computer
(c) main frame computer
(d) mini computer
58. In computers, PC is expanded as
.
(a) Process Computer
(b) Progressive Computer
(c) Personal Computer
(d) Plus Computer
59. Personal computer is otherwise called
.
(a) super computer
(b) main frame computer
(c) mini computer
(d) micro-computer
60. A micro-computer/PC permits working of at the same time.
(a) many users
(b) one user
(c) hundreds of users
(d) thousands of users
61. Laptops, tabs, mobile phones, raspberry PI, etc. are classified under .
(a) super computer
(b) main frame computer
(c) mini computer
(d) micro-computer
Advantages of computers
62. The main advantage of computer is
.
(a) speed
(b) large storage capacity
(c) ease of creating programs for new jobs
(d) all of them
63. CAD stands for .
(a) Computer Analog Design
(b) Computer Aided Dialog
(c) Computer Aided Design
(d) Computer Android Design
64. CAM stands for .
(a) Computer Analog Manufacture
(b) Computer Aided Monitoring
(c) Computer Aided Maintenance
(d) Computer Aided Manufacturing
65. CAD/CAM help in reduction of
required for manufacture while maintaining high quality and precision.
(a) time
(b) money
(c) both a & b
(d) neither a nor b
66. Mission critital operations (like rocket launching, control of space vehicles) are possible through comput- ers.
(a) real time (b) main frame
(c) super (d) mini
67. Real time computers have
lag in processing input signals.
(a) zero (b) lengthy
(c) lot of (d) heavy
Application of computers
68. Banks store and retrieve core banking transactions using .
(a) mobile phones
(b) centralized server computers
(c) tablet computers
(d) micro-computers
69. Computer servers are used in
applications.
(a) online reservation of tickets
(b) e-commerce
(c) tracking of consignments
(d) all of them
70. Computers help in creation of high quality multi-media content at
.
(a) high speed
(b) high quality
(c) lower cost compared to manual creation
(d) all of them
71. Computer networks in the form of LAN, WAN, MAN and the Internet help in
.
(a) sharing of information
(b) transactions of e-commerce
(c) sharing of hardware (like printers)
(d) all of them
Concept of hardware and soft- ware
72. All the physical components of a com- puter are collectively called .
(a) software (b) hardware
(c) malware (d) junkware
73. The component which makes a com- puter to work through commands is called .
(a) software (b) hardware
(c) malware (d) junkware
74. Software be touched.
(a) cannot (b) can
(c) may (d) would
75. Hardware be touched.
(a) cannot (b) can
(c) may (d) would
76. Hardware electric power for working.
(a) consumes
(b) does not consume
(c) generates
(d) creates
77. Hardware space.
(a) does not occupy
(b) occupies
(c) does not require
(d) does not need
78. Software .
(a) consumes power through hardware
(b) is inferred through the working of hardware
(c) controls the hardware
(d) all of them
Computer hardware
79. A computer has .
(a) input unit
(b) Central Processing Unit (CPU)
(c) output unit
(d) all of them
80. Keyboard,mouse, scanner,stylus, light pen, etc.are classified under
unit.
(a) input
(b) central processing
(c) output
(d) none of them
81. Monitor (VDU), printer, plotter, etc. are classified under unit.
(a) input
(b) central processing
(c) output
(d) none of them
82. All the processing work of computer takes place in .
(a) input unit
(b) Central Processing Unit (CPU)
(c) output unit
(d) all of them
83. produces output/results after processing the input data.
(a) input unit
(b) Central Processing Unit (CPU)
(c) output unit
(d) all of them
84. is called the ’Brain of Computer’.
(a) input unit
(b) Central Processing Unit (CPU)
(c) output unit
(d) all of them
85. Processor, main memory (RAM), hard disk, CD/DVD drive, CMOS, BIOS chip, etc. are housed inside
.
(a) input unit
(b) Central Processing Unit (CPU)
(c) output unit
(d) all of them
86. contains slots for fix- ing/ connecting processor, main mem- ory (RAM), hard disk, CD/DVD drive, CMOS, BIOS chip, etc.
(a) Mother board (b) bread board
(c) key board (d) dash board
Input units
87. Common keyboards used in India have
layout of keys.
(a) English US
(b) English UK
(c) either a or b
(d) neither a nor b
88. The longest/largest button on keyboard is .
(a) space bar (b) enter
(c) backspace (d) tab
89. The button removes a character to the left of cursor position.
(a) space bar (b) enter
(c) backspace (d) tab
90. The button ends current line of input.
(a) space bar (b) enter
(c) backspace (d) tab
91. The button moves the cursor to the next predetermined stop location.
(a) space bar (b) enter
(c) backspace (d) tab
92. The button toggles capi- tal letter for input.
(a) caps lock (b) print screen
(c) scroll lock (d) pause/break
93. The button takes a screen shot and copies it to clipboard or saves it to a file.
(a) caps lock (b) print screen
(c) scroll lock (d) pause/break
94. The button stops or re- sumes the boot process.
(a) caps lock (b) print screen
(c) scroll lock (d) pause/break
95. button keeps the scroll mode on or off.
(a) caps lock (b) print screen
(c) scroll lock (d) pause/break
96. The group of number keys and ba- sic arithmetic operators placed on the left side of a keyboard is called
.
(a) number pad
(b) note pad
(c) arrow keys
(d) cursor controls
97. The key toggles number pad on or off.
(a) num lock (b) caps lock
(c) scroll lock (d) Esc
98. The keys can move the cursor up, down, left or right.
(a) num lock (b) arrow
(c) scroll lock (d) Esc
99. The key moves out of cur- rent screen or terminates current opera- tion.
(a) num lock (b) arrow
(c) scroll lock (d) Esc
100. The key helps to access alternate character of each key (e.g. ! by pressing 1, @ by pressing 2, etc.).
(a) num lock (b) arrow
(c) shift (d) Esc
.
(a) micro-computer
(b) desktop
(c) both a & b
(d) neither a nor b
49. In a personal computer, multiple users
.
(a) can login and work at differnt times
(b) cannot login and work at the same time
(c) although multiple users are supported, only one person can login at given time
(d) all of them
50. The computer having better graphics capacity, more main memory, more pro- cessing power and more storage com- pared to personal computer is called
.
(a) tablet PC
(b) Raspberry PI
(c) workstation computer
(d) smartphone
51. The computer used for professional works like CAD/CAM, animation, desk- top publication, high power gaming, etc. is called .
(a) tablet PC
(b) Raspberry PI
(c) workstation computer
(d) smartphone
52. A computer which supports concurrent login for 100 or 200 persons is called
.
(a) mini-computer
(b) micro-computer
(c) tablet PC
(d) laptop
53. A computer which supports concurrent login for thousands of users is called
.
(a) mainframe computer
(b) micro-computer
(c) tablet PC
(d) laptop
54. computer has enormous processing power, memory and storage and supports thousands of concurrent logins.
(a) mainframe computer
(b) micro-computer
(c) cloud computer
(d) laptop
55. A collection of computers used for on- line data storage through the Internet is called .
(a) mainframe computer
(b) micro-computer
(c) cloud computer
(d) laptop
56. A computer having large processing power, used for scientific research, simu- lation of experiments, nuclear research, high power number crunching, etc. is called .
(a) smartphone
(b) micro-computer
(c) workstation computer
(d) supercomputer
57. The most common type of computer used at homes and offices is called
.
(a) Personal Computer (PC)
(b) super computer
(c) main frame computer
(d) mini computer
58. In computers, PC is expanded as
.
(a) Process Computer
(b) Progressive Computer
(c) Personal Computer
(d) Plus Computer
59. Personal computer is otherwise called
.
(a) super computer
(b) main frame computer
(c) mini computer
(d) micro-computer
60. A micro-computer/PC permits working of at the same time.
(a) many users
(b) one user
(c) hundreds of users
(d) thousands of users
61. Laptops, tabs, mobile phones, raspberry PI, etc. are classified under .
(a) super computer
(b) main frame computer
(c) mini computer
(d) micro-computer
Advantages of computers
62. The main advantage of computer is
.
(a) speed
(b) large storage capacity
(c) ease of creating programs for new jobs
(d) all of them
63. CAD stands for .
(a) Computer Analog Design
(b) Computer Aided Dialog
(c) Computer Aided Design
(d) Computer Android Design
64. CAM stands for .
(a) Computer Analog Manufacture
(b) Computer Aided Monitoring
(c) Computer Aided Maintenance
(d) Computer Aided Manufacturing
65. CAD/CAM help in reduction of
required for manufacture while maintaining high quality and precision.
(a) time
(b) money
(c) both a & b
(d) neither a nor b
66. Mission critital operations (like rocket launching, control of space vehicles) are possible through comput- ers.
(a) real time (b) main frame
(c) super (d) mini
67. Real time computers have
lag in processing input signals.
(a) zero (b) lengthy
(c) lot of (d) heavy
Application of computers
68. Banks store and retrieve core banking transactions using .
(a) mobile phones
(b) centralized server computers
(c) tablet computers
(d) micro-computers
69. Computer servers are used in
applications.
(a) online reservation of tickets
(b) e-commerce
(c) tracking of consignments
(d) all of them
70. Computers help in creation of high quality multi-media content at
.
(a) high speed
(b) high quality
(c) lower cost compared to manual creation
(d) all of them
71. Computer networks in the form of LAN, WAN, MAN and the Internet help in
.
(a) sharing of information
(b) transactions of e-commerce
(c) sharing of hardware (like printers)
(d) all of them
Concept of hardware and soft- ware
72. All the physical components of a com- puter are collectively called .
(a) software (b) hardware
(c) malware (d) junkware
73. The component which makes a com- puter to work through commands is called .
(a) software (b) hardware
(c) malware (d) junkware
74. Software be touched.
(a) cannot (b) can
(c) may (d) would
75. Hardware be touched.
(a) cannot (b) can
(c) may (d) would
76. Hardware electric power for working.
(a) consumes
(b) does not consume
(c) generates
(d) creates
77. Hardware space.
(a) does not occupy
(b) occupies
(c) does not require
(d) does not need
78. Software .
(a) consumes power through hardware
(b) is inferred through the working of hardware
(c) controls the hardware
(d) all of them
Computer hardware
79. A computer has .
(a) input unit
(b) Central Processing Unit (CPU)
(c) output unit
(d) all of them
80. Keyboard,mouse, scanner,stylus, light pen, etc.are classified under
unit.
(a) input
(b) central processing
(c) output
(d) none of them
81. Monitor (VDU), printer, plotter, etc. are classified under unit.
(a) input
(b) central processing
(c) output
(d) none of them
82. All the processing work of computer takes place in .
(a) input unit
(b) Central Processing Unit (CPU)
(c) output unit
(d) all of them
83. produces output/results after processing the input data.
(a) input unit
(b) Central Processing Unit (CPU)
(c) output unit
(d) all of them
84. is called the ’Brain of Computer’.
(a) input unit
(b) Central Processing Unit (CPU)
(c) output unit
(d) all of them
85. Processor, main memory (RAM), hard disk, CD/DVD drive, CMOS, BIOS chip, etc. are housed inside
.
(a) input unit
(b) Central Processing Unit (CPU)
(c) output unit
(d) all of them
86. contains slots for fix- ing/ connecting processor, main mem- ory (RAM), hard disk, CD/DVD drive, CMOS, BIOS chip, etc.
(a) Mother board (b) bread board
(c) key board (d) dash board
Input units
87. Common keyboards used in India have
layout of keys.
(a) English US
(b) English UK
(c) either a or b
(d) neither a nor b
88. The longest/largest button on keyboard is .
(a) space bar (b) enter
(c) backspace (d) tab
89. The button removes a character to the left of cursor position.
(a) space bar (b) enter
(c) backspace (d) tab
90. The button ends current line of input.
(a) space bar (b) enter
(c) backspace (d) tab
91. The button moves the cursor to the next predetermined stop location.
(a) space bar (b) enter
(c) backspace (d) tab
92. The button toggles capi- tal letter for input.
(a) caps lock (b) print screen
(c) scroll lock (d) pause/break
93. The button takes a screen shot and copies it to clipboard or saves it to a file.
(a) caps lock (b) print screen
(c) scroll lock (d) pause/break
94. The button stops or re- sumes the boot process.
(a) caps lock (b) print screen
(c) scroll lock (d) pause/break
95. button keeps the scroll mode on or off.
(a) caps lock (b) print screen
(c) scroll lock (d) pause/break
96. The group of number keys and ba- sic arithmetic operators placed on the left side of a keyboard is called
.
(a) number pad
(b) note pad
(c) arrow keys
(d) cursor controls
97. The key toggles number pad on or off.
(a) num lock (b) caps lock
(c) scroll lock (d) Esc
98. The keys can move the cursor up, down, left or right.
(a) num lock (b) arrow
(c) scroll lock (d) Esc
99. The key moves out of cur- rent screen or terminates current opera- tion.
(a) num lock (b) arrow
(c) scroll lock (d) Esc
100. The key helps to access alternate character of each key (e.g. ! by pressing 1, @ by pressing 2, etc.).
(a) num lock (b) arrow
(c) shift (d) Esc
Answer :
1. (a) 2. (c) 3. (b) 4. (d) 5. (b) 6. (d) 7. (a) 8. (d) 9. (c) 10. (b) 11. (a) 12. (a) 13. (b) 14. (b) 15. (d) 16. (a) 17. (a) 18. (c) 19. (a) 20. (d) 21. (d) 22. (b) 23. (b) 24. (a) 25. (b) 26. (c) 27. (c) 28. (c) 29. (c) 30. (b) 31. (d) 32. (d) 33. (d) 34. (c) 35. (c) 36. (d)
37. (c) 38. (d) 39. (d) 40. (d) 41. (c) 42. (d) 43. (d) 44. (d) 45. (c) 46. (d) 47. (d) 48. (c) 49. (d) 50. (c) 51. (c) 52. (a) 53. (a) 54. (a) 55. (c) 56. (d) 57. (a) 58. (c) 59. (d) 60. (b) 61. (d) 62. (d) 63. (c) 64. (d) 65. (c) 66. (a) 67. (a) 68. (b) 69. (d) 70. (d) 71. (d) 72. (b) 73. (a) 74. (a) 75. (b) 76. (a) 77. (b) 78. (d) 79. (d) 80. (a) 81. (c) 82. (b) 83. (b) 84. (b) 85. (b) 86. (a) 87. (c) 88. (a) 89. (c) 90. (b) 91. (d) 92. (a) 93. (b) 94. (d) 95. (c) 96. (a) 97. (a) 98. (b) 99. (d) 100. (c)
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