Computer Awareness part 13
21. _____________ are words that a programming language has set aside for its own use.
(A) Control worlds
(B) Reserved words
(C) Control structures
(D) Reserved keys
(E) None of these
Ans : (B)
22. What is the primary difference between a virus and a worm?
(A) A worm has the ability to self-propagate from an infected user's computer to other
computers
(B) A worm is usually written by a cracker: Script bunnies do not have the skills to
develop a worm program
(C) A virus is very harmful to the computers it infects : a worm is not a serious a problem
(D) Anti-virus software is effective in fighting viruses but not worms
(E) None of these
Ans : ()
23. ______ describe what is database fields.
(A) Structures
(B) Field markers
(C) Field definition
(D) Field names
(E) None of these
Ans : (D)
24. You must install a (n) ____________ on a network if you want to share a broadband
Internet connection.
(A) router
(B) modem
(C) node
(D) cable
(E) None of these
Ans : (A)
25. A goal of normalization is to __________
(A) minimize the number of relationships
(B) minimize the number of entities
(C) minimize the number of tables
(D) minimize the number of redundancy
(E) None of these
Ans : (D)
(A) Control worlds
(B) Reserved words
(C) Control structures
(D) Reserved keys
(E) None of these
Ans : (B)
22. What is the primary difference between a virus and a worm?
(A) A worm has the ability to self-propagate from an infected user's computer to other
computers
(B) A worm is usually written by a cracker: Script bunnies do not have the skills to
develop a worm program
(C) A virus is very harmful to the computers it infects : a worm is not a serious a problem
(D) Anti-virus software is effective in fighting viruses but not worms
(E) None of these
Ans : ()
23. ______ describe what is database fields.
(A) Structures
(B) Field markers
(C) Field definition
(D) Field names
(E) None of these
Ans : (D)
24. You must install a (n) ____________ on a network if you want to share a broadband
Internet connection.
(A) router
(B) modem
(C) node
(D) cable
(E) None of these
Ans : (A)
25. A goal of normalization is to __________
(A) minimize the number of relationships
(B) minimize the number of entities
(C) minimize the number of tables
(D) minimize the number of redundancy
(E) None of these
Ans : (D)
No comments
Leave your comment related to the post. Please do not spam.