World Science and Technology – Exercise – 3

World Science and Technology » Exercise – 3

101. Which of these is a documented hoax virus?

(a) McDonalds screensaver
(b) Alien.worm
(c) Merry Xmas
(d) Adolph

Answer
Answer : (a)
Explanation
Explanation : A virus hoax is usually an email that gets mailed in chain letter fashion describing some devastating highly unlikely type of virus, you can usually spot a hoax because there’s no file attachment, no reference to a third party who can validate the claim and the general ‘tone’ of the message. Let us discuss.
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102. What is RISC?

(a) Remodeled Interface System Computer
(b) Remote Intranet Secured Connection
(c) Runtime Instruction Set Compiler
(d) Reduced Instruction Set Computer

Answer
Answer : (d)
Explanation
Explanation : Reduced Instruction Set Computer – a type of microprocessor that relies on simple instructions which can be used to build more complicated ones. Let us discuss.
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103. In 1983, which person was the first to offer a definition of the term ‘computer virus’?

(a) McAfee
(b) Smith
(c) Cohen
(d) Norton

Answer
Answer : (c)
Explanation
Explanation : 1983 Fred Cohen, while working on his dissertation, formally defines a computer virus as ‘a computer program that can affect other computer programs by modifying them in such a way as to include a (possibly evolved)copy of itself.’ Let us discuss.
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104. What is the Websites code for the country United Kingdom?

(a) GB
(b) UK
(c) EN
(d) EG

Answer
Answer : (b)
Explanation
Explanation : No answer description available for this question. Let us discuss.
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105. Which Intel chip was the first to support a 32-bit bus architecture?

(a) 486SI
(b) Pentium
(c) 286
(d) 386DX

Answer
Answer : (d)
Explanation
Explanation : The 386 chip was the first to offer a possible 32- or 64-bit access to data. OS-2 2.x or higher and Windows 95 required at least a 386 CPU while Windows NT 4.x required at least a 486 CPU to run. Let us discuss.
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