Competitive exams contain questions to test your computer knowledge.
Collection of questions from different question papers are given here.
Answers are at the end.
(1).Which of the following is not a method to preserve the security
and integrity of information ?
(a) Antivirus software
...(b) Firewall
© Phishing
(d)Disk Encryption
(2).Which of the following addresses is most commonly used loopback
address?
(a)0.0.0. 1
(b) 127.1.1.1
© 127.0.0.1
(d) 255.255.255.255
(3).___________ is a high speed memory available inside CPU in order
to speed up access to data and instructions stored in RAM.
(a) Cache Memory
... (b) EDO DRAM
(b) EDO DRAM
© PROM
(D) SDRAM
...
(4).Virtual Memory is ____________.
(a) Extremely Large Main memory
...(B) Extremely large second memory
© An illusion of extremely large main memory
(d) An illusion of extremely large secondary memory
(5). Find the odd one out based on the classification of software on
the basis of licensing
(a) Oracle
...(b) You tube downloader 2.3
© Visual Basic.net
(d) Windows vista
(6).The process of modifying data so that an unauthorized user cannot
read it is called __________.
(a) Encryption
...(b) Decryption
© Hashing
(d) Sorting
(7). Which of the following statements is INCORRECT?
(a) Each website has an address called its URL
(b) A webserver is a collection of websites
© Conversion of analog signals into digital signals is called
modulation.
(d) None of these
...
(8).What is an extranet?
(a) An extra fast computer network
... (b) The intranet of two cooperating organisations interconnected
via a secure leased line
© An extra network usedby an organization for higher reliability
(d) An extra connection provided to co operating organization.
(9) Match the following
Set I (is equal to) Set II
1. 1 Kilobyte A. 1024 bytes
2. 1 Megabyte B. 1024 GB
3. 1 Gigabyte C. 1024 KB
4. 1 Terabyte D. 1024 MB
(A) 1A, 2C, 3D, 4B
(B) 1B, 2D, 3A, 4C
(C) 1C, 2A, 3B, 4
(D) 1D, 2B, 3C, 4A.
(10) In computer science, by information we mean
(A) Any output coming out from computer
(B) Processed data put in an intelligent form
(C) A report printed by the computer
(D) Plural of data.
(11)What does a disc fragmentor do?
(A) It is a utility program that facilitates compression of files so
that they occupy less storage space
(B) It is a utility program that minimizes the time taken by the hard
disk optical reader to read up 'split' files. It does so by
rearranging the files and free space on your computer so that files
are stored in contiguous memory.
(C) It is a utility program that facilitates the backing up of the
disk
(D) It is a utility program used for creating and editing text file.
(12)W hat does OCR stand for?
(A) Optical Character Reader (B)
Optical Character Recognition
(C) Operational Character Reader (D) Only
Character Reader.
(13) Match the following
1. Scanner A. Input Device
2. OCR B. Output
Device
3. Light pen
4. Plotter
5. Printer
(A) 1A, 2B, 3A, 4B, 5A
(B) 1A, 2A, 3A, 4B, 5B
(C) 1A, 2A, 3B, 4B, 5B
(D) 1A, 2B, 3A, 4B, 5B .
(14)The smallest unit of memory is
(A) 16 bytes (B) 8 bits (C) 1 kilobyte (D) 1
GB.
(15) The term "operating system" refers to
(A) A set of programs which controls computer working
(B) The way a computer operator works
(C) Conv ersion of high lev el language into machine code
(D) The way a floppy disk driv e operates .
(16) Who defined the binary system?
(A) A.N.D. Leibniz
(B) Pascal
(C) Newton
(D) Aristotle
17. Computers use the sev en digit code called ASCII. What does ASCII
stand for?
(A) American Standard Code for Information Interchange
(B) Association of Software Coding and Information Institute
(C) American Standard Computing and Information Institute
(D) American Scientists Convention for Information Interchange.
18. Match the following
Binary Number Corresponding decimal
number
1. 1010101
A. 31
2. 101011
B. 85
3. 11111
C. 139
4. 10001011 D.
43
(A) 1B, 2D, 3A, 4C (B) 1D, 2A,
3B, 4D (C) 1C, 2B, 3C,
4A (D) 1A,
2C, 3D, 4B
19. What is the addition of 101010 with 111111?
(A) 1101001
(B) 1001001
(C) 1111001
(D) 1100001
20. Modern Computers do not work with decimal numbers. Instead they
process binary numbers, groups of 0's and 1's because
(A) Electronic devices are most reliable when designed for two state
(binary) operations
(B) Binary circuits are simple
(C) Memory is only possible for binary numbers
(D) With decimal numbers, the circuits are complex and costly
21. The first Indian analog computer was assembled by Indian
Statistical Institute (ISI) of Calcutta in
(A) 1953
(B) 1946
(C) 1950
(D) 1963
22. Debug is a term denoting
(A) Error correction processes
(B) Writing of instructions in dev eloping a new program
(C) Fault detection in equipment
(D) Determining useful life
(23). which of the following high level language is NOT suitable for
generating or developing a data file?
(A) BASIC (B) FORTRAN
(C) COBOL (D) PASCAL
(24). The processing speed of a computer is measured in
(A) Mega byte (B) 16 bit
(C) Mega hertz (D) Milli seconds
(25). Which of the following features distinguishes a database file
from a mere collection of data
(A) Database enables data to be organized for effective use much
faster
(B) It organizes data in rows and columns
(C) It gives reference name to each file created
(D) It provides search facility
(26). Each command is followed by a meaning, match them.
Command Meaning
1. STEP A. To branch unconditionally out of the
normal program sequence to a specified line number.
2. SWAP B. To terminate program execution and return
to command level.
3. STOP C. To exchange the values of two variables.
4. GOTO D. To specify the counter increment for each
loop in FORNEXT statement. (A) 1B, 2C, 3D,
4A (B) 1A, 2B, 3C, 4D
(C) 1D, 2A, 3B, 4C (D) None of these.
(27). . If X represents "Shweta can read" and Y represents "Shweta
can write", then write in terms of X, X, Y
and Y the following statements:
(i) Shweta can read but cannot write
(ii) Shweta cannot read or write
(A) XY, X Y (B) X
Y, X Y
(C) X Y, X Y (D)
None of these.
(28). Name the smallest addressable set of bits of the computer
memory.
(A) Byte (B) Word
(C) Pixel (D) Digit
(29). which of the following is not a hardware component?
(A) Mouse (B) LAN
(C) Chip (D) Semiconductor
memory.
3
Answers
(1)( c ) Phishing
(2) ( c ) 127.0.0.1
(3) (a) Cache Memory
(4) ( c ) An illusion of extremely large main memory
(5) (b) You tube downloader 2.3
(6) (a) Encryption
(7) ( c ) Conversion of analog signals into digital signals is called
modulation
(8) (b) The intranet of two cooperating organisations interconnected
via a secure leased line
(9) a
(10) (A) Any output coming out from computer
(11) (B) It is a utility program that minimizes the time taken by the
hard disk optical reader to read up 'split' files. It does so by
rearranging the files and free space on your computer so that files
are stored in contiguous memory.
(12) (B) Optical Character
(13) (B) 1A, 2A, 3A, 4B, 5B
(14) (B) 8 bits
(15) (A) A set of programs which controls computer working
(16) (A) A.N.D. Leibniz
(17) (A) American Standard Code for Information Interchange
(18) (A) 1B, 2D, 3A, 4C
(19) (A) 1101001
(20) (A) Electronic devices are most reliable when designed for two
state (binary) operations
( 21) (C) 1950
(22) (A) Error correction processes
(23) (B) FORTRAN
(24) (C) Mega hertz
(25) (A) Database enables data to be organized for effective use much
faster
(26) (D) None of these.
(27) (A) XY, X Y
(28) (A) Byte
(29) (B) LAN
Collection of questions from different question papers are given here.
Answers are at the end.
(1).Which of the following is not a method to preserve the security
and integrity of information ?
(a) Antivirus software
...(b) Firewall
© Phishing
(d)Disk Encryption
(2).Which of the following addresses is most commonly used loopback
address?
(a)0.0.0. 1
(b) 127.1.1.1
© 127.0.0.1
(d) 255.255.255.255
(3).___________ is a high speed memory available inside CPU in order
to speed up access to data and instructions stored in RAM.
(a) Cache Memory
... (b) EDO DRAM
(b) EDO DRAM
© PROM
(D) SDRAM
...
(4).Virtual Memory is ____________.
(a) Extremely Large Main memory
...(B) Extremely large second memory
© An illusion of extremely large main memory
(d) An illusion of extremely large secondary memory
(5). Find the odd one out based on the classification of software on
the basis of licensing
(a) Oracle
...(b) You tube downloader 2.3
© Visual Basic.net
(d) Windows vista
(6).The process of modifying data so that an unauthorized user cannot
read it is called __________.
(a) Encryption
...(b) Decryption
© Hashing
(d) Sorting
(7). Which of the following statements is INCORRECT?
(a) Each website has an address called its URL
(b) A webserver is a collection of websites
© Conversion of analog signals into digital signals is called
modulation.
(d) None of these
...
(8).What is an extranet?
(a) An extra fast computer network
... (b) The intranet of two cooperating organisations interconnected
via a secure leased line
© An extra network usedby an organization for higher reliability
(d) An extra connection provided to co operating organization.
(9) Match the following
Set I (is equal to) Set II
1. 1 Kilobyte A. 1024 bytes
2. 1 Megabyte B. 1024 GB
3. 1 Gigabyte C. 1024 KB
4. 1 Terabyte D. 1024 MB
(A) 1A, 2C, 3D, 4B
(B) 1B, 2D, 3A, 4C
(C) 1C, 2A, 3B, 4
(D) 1D, 2B, 3C, 4A.
(10) In computer science, by information we mean
(A) Any output coming out from computer
(B) Processed data put in an intelligent form
(C) A report printed by the computer
(D) Plural of data.
(11)What does a disc fragmentor do?
(A) It is a utility program that facilitates compression of files so
that they occupy less storage space
(B) It is a utility program that minimizes the time taken by the hard
disk optical reader to read up 'split' files. It does so by
rearranging the files and free space on your computer so that files
are stored in contiguous memory.
(C) It is a utility program that facilitates the backing up of the
disk
(D) It is a utility program used for creating and editing text file.
(12)W hat does OCR stand for?
(A) Optical Character Reader (B)
Optical Character Recognition
(C) Operational Character Reader (D) Only
Character Reader.
(13) Match the following
1. Scanner A. Input Device
2. OCR B. Output
Device
3. Light pen
4. Plotter
5. Printer
(A) 1A, 2B, 3A, 4B, 5A
(B) 1A, 2A, 3A, 4B, 5B
(C) 1A, 2A, 3B, 4B, 5B
(D) 1A, 2B, 3A, 4B, 5B .
(14)The smallest unit of memory is
(A) 16 bytes (B) 8 bits (C) 1 kilobyte (D) 1
GB.
(15) The term "operating system" refers to
(A) A set of programs which controls computer working
(B) The way a computer operator works
(C) Conv ersion of high lev el language into machine code
(D) The way a floppy disk driv e operates .
(16) Who defined the binary system?
(A) A.N.D. Leibniz
(B) Pascal
(C) Newton
(D) Aristotle
17. Computers use the sev en digit code called ASCII. What does ASCII
stand for?
(A) American Standard Code for Information Interchange
(B) Association of Software Coding and Information Institute
(C) American Standard Computing and Information Institute
(D) American Scientists Convention for Information Interchange.
18. Match the following
Binary Number Corresponding decimal
number
1. 1010101
A. 31
2. 101011
B. 85
3. 11111
C. 139
4. 10001011 D.
43
(A) 1B, 2D, 3A, 4C (B) 1D, 2A,
3B, 4D (C) 1C, 2B, 3C,
4A (D) 1A,
2C, 3D, 4B
19. What is the addition of 101010 with 111111?
(A) 1101001
(B) 1001001
(C) 1111001
(D) 1100001
20. Modern Computers do not work with decimal numbers. Instead they
process binary numbers, groups of 0's and 1's because
(A) Electronic devices are most reliable when designed for two state
(binary) operations
(B) Binary circuits are simple
(C) Memory is only possible for binary numbers
(D) With decimal numbers, the circuits are complex and costly
21. The first Indian analog computer was assembled by Indian
Statistical Institute (ISI) of Calcutta in
(A) 1953
(B) 1946
(C) 1950
(D) 1963
22. Debug is a term denoting
(A) Error correction processes
(B) Writing of instructions in dev eloping a new program
(C) Fault detection in equipment
(D) Determining useful life
(23). which of the following high level language is NOT suitable for
generating or developing a data file?
(A) BASIC (B) FORTRAN
(C) COBOL (D) PASCAL
(24). The processing speed of a computer is measured in
(A) Mega byte (B) 16 bit
(C) Mega hertz (D) Milli seconds
(25). Which of the following features distinguishes a database file
from a mere collection of data
(A) Database enables data to be organized for effective use much
faster
(B) It organizes data in rows and columns
(C) It gives reference name to each file created
(D) It provides search facility
(26). Each command is followed by a meaning, match them.
Command Meaning
1. STEP A. To branch unconditionally out of the
normal program sequence to a specified line number.
2. SWAP B. To terminate program execution and return
to command level.
3. STOP C. To exchange the values of two variables.
4. GOTO D. To specify the counter increment for each
loop in FORNEXT statement. (A) 1B, 2C, 3D,
4A (B) 1A, 2B, 3C, 4D
(C) 1D, 2A, 3B, 4C (D) None of these.
(27). . If X represents "Shweta can read" and Y represents "Shweta
can write", then write in terms of X, X, Y
and Y the following statements:
(i) Shweta can read but cannot write
(ii) Shweta cannot read or write
(A) XY, X Y (B) X
Y, X Y
(C) X Y, X Y (D)
None of these.
(28). Name the smallest addressable set of bits of the computer
memory.
(A) Byte (B) Word
(C) Pixel (D) Digit
(29). which of the following is not a hardware component?
(A) Mouse (B) LAN
(C) Chip (D) Semiconductor
memory.
3
Answers
(1)( c ) Phishing
(2) ( c ) 127.0.0.1
(3) (a) Cache Memory
(4) ( c ) An illusion of extremely large main memory
(5) (b) You tube downloader 2.3
(6) (a) Encryption
(7) ( c ) Conversion of analog signals into digital signals is called
modulation
(8) (b) The intranet of two cooperating organisations interconnected
via a secure leased line
(9) a
(10) (A) Any output coming out from computer
(11) (B) It is a utility program that minimizes the time taken by the
hard disk optical reader to read up 'split' files. It does so by
rearranging the files and free space on your computer so that files
are stored in contiguous memory.
(12) (B) Optical Character
(13) (B) 1A, 2A, 3A, 4B, 5B
(14) (B) 8 bits
(15) (A) A set of programs which controls computer working
(16) (A) A.N.D. Leibniz
(17) (A) American Standard Code for Information Interchange
(18) (A) 1B, 2D, 3A, 4C
(19) (A) 1101001
(20) (A) Electronic devices are most reliable when designed for two
state (binary) operations
( 21) (C) 1950
(22) (A) Error correction processes
(23) (B) FORTRAN
(24) (C) Mega hertz
(25) (A) Database enables data to be organized for effective use much
faster
(26) (D) None of these.
(27) (A) XY, X Y
(28) (A) Byte
(29) (B) LAN
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