Computer Awareness for government jobs-part5..

1.Virtual Memory is ____________.
A.Extremely Large Main memory
B. Extremely large second memory
C.An illusion of extremely large secondary memory
D.An illusion of extremely large main memory
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D.An illusion of extremely large main memory

2.The process of modifying data so that an unauthorized user cannot read it is called __________.
A.Hashing
B. Decryption
C.Encryption
D.Sorting
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C.Encryption

3.Which of the following statements is INCORRECT?
A.Each website has an address called its URL
B.Conversion of analog signals into digital signals is called modulation.
C.A webserver is a collection of websites
D.None of these
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B.Conversion of analog signals into digital signals is called modulation.

4.What is an extranet?
A.An extra fast computer network
B. An extra network usedby an organization for higher reliability
C.The intranet of two cooperating organisations interconnected via a secure leased line
D.An extra connection provided to co operating organization.
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C.The intranet of two cooperating organisations interconnected via a secure leased line

5.Who defined the binary system?
A.Pascal
B.Newton
C.Aristotle
D.A.N.D. Leibniz
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D.A.N.D. Leibniz

6.What is the addition of 101010 with 111111?
A.1100001
B. 1101001
C.1001001
D.1111001
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B. 1101001

7.The first Indian analog computer was assembled by Indian Statistical Institute (ISI) of Calcutta in
A.1950.
B.1953
C.1963.
D.1946.
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A.1950

8. which of the following high level language is NOT suitable for generating or developing a datafile?
A.FORTRAN.
B.BASIC.
C.COBOL.
D.PASCAL.
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A.FORTRAN.