World Science and Technology – Exercise – 4

166. A computer virus that actively attacks an anti-virus program or programs in an effort to prevent detection is…

(a) Worm
(b) Retrovirus
(c) Trojan
(d) Ghost virus

Answer
Answer : (b)
Explanation
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167. When discussing technology, a hot spot is…

(a) A small overheated area on a CPU
(b) A place served by public wireless access
(c) Jargon for an X-rated Web site
(d) A faulty area in the programming code

Answer
Answer : (b)
Explanation
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168. A JPG is…

(a) A Jumper Programmed Graphic
(b) A format for an image file
(c) A type of hard disk
(d) A unit of measure for memory

Answer
Answer : (b)
Explanation
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169. The “home page” of a web site is…

(a) The largest page
(b) The last page
(c) The first page
(d) The most colorful page

Answer
Answer : (c)
Explanation
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170. The letters, “DOS” stand for…

(a) Data Out System
(b) Disk Out System
(c) Disk Operating System
(d) Data Operating System

Answer
Answer : (c)
Explanation
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