Input and Output System (Objective Type Question for Competitive Exams) (Part B)

Input and Output System

Q.21 What input device uses switch contacts placed under a plastic pad which may be inscribed with symbols?

(A) touch pad

(B) punched card

(C) soft keyboard

(D) mouse

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Q.22 Which of the following is used only for data entry and storage and never for processing?

(A) mouse

(B) dumb terminal

(C) microcomputer

(D) all of these

Q.23 Which of the following are often used to ensure data has been accurately input to the computer?

(A) keyboard

(B) light pen

(C) digitizers

(D) none of these

Q.24 Which of the following is not a direct entry input device?

(A) keyboard

(B) light pen

(C) digitizers

(D) none of these

Q.25 Which of the following would you most likely use at home as well as in the office connected to a central computer?

(A) dump terminal

(B) point of sale terminal

(C) financial transaction terminal

(D) microcomputer

Q.26 Which of the following is used to insure the high quality of computer output?

(A) voice output system

(B) output controls

(C) computer output microfilm

(D) liquid crystal display

Q.27 Which of the following technologies will you likely see in laptop computers?

(A) voice output systems

(B) output controls

(C) computer output microfilm

(D) liquid crystal display

Q.28 Which of the following is the principal difference between a monochrome monitor and an RGB monitor?

(A) number of electron guns

(B) resolution

(C) size

(D) cost

Q.29 Which of the following can be output by a computer?

(A) graphics

(B) voice

(C) text

(D) all of these

Q.30 Output hardware is often categorized according to whether it.

(A) is expensive

(B) requires a large amount of electricity to work

(C) produces hardcopy or softcopy

(D) can fit on a desktop