1000+ Computer Quiz Online Mock Test 2023 - 2024 - 2
Question: 6
A subtractor is normally not used in a modern digital computer because
(A) the design of a subtractor is very complex
(B) subtractors are very expensive
(C) most of the programs do not require subtraction
(D) the adder is geared for doing subtraction only
Ans: D
the adder is geared for doing subtraction only
Question: 7
Which of the following is a sequential access medium?
(A) cd-rom
(B) magnetic tape
(C) hard disk
(D) floppy disk
Ans: B
magnetic tape/p>
Question: 8
Which type of user interface almost always uses a mouse?
(A) graphical user interface
(B) pop-up menu
(C) prompt
(D) command
Ans: A
graphical user interface
Question: 9
Which DOS command is used to create a new sub directory?
(A) TREE
(B) RD
(C) CD
(D) MD
Ans: D
MD
Question: 10
Which key do you press to get help from within the DOS shell?
(A) F1
(B) F10
(C) enter
(D) alternate
Ans: A
F1
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