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

Input and Output System

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Q.1 Advantage of magnetic input media is ……

(A) high speed

(B) flexibility in accessing data

(C) low cost

(D) All of these

Q.2 Which of the following is not one of the three primary functions that on-line direct access system can serve?

(A) inquiry

(B) back-up

(C) update

(D) programming

Q.3 A direct entry input device?

(A) optical scanner

(B) mouse

(C) light pen

(D) all of these

Q.4 What device is used for entering x – y co-ordinates?

(A) card reader

(B) joystick

(C) keyboard

(D) all of these

Q.5 Which one of the following is required when more than one person uses a central computer at the same time?

(A) terminal

(B) light pen

(C) digitizer

(D) mouse

Q.6 Which of the following typically uses a keyboard for input?

(A) desktop terminal

(B) point of sale terminal

(C) financial transaction terminal

(D) all of these

Q.7 Which of the following is not true of punched cards as data entry media?

(A) they can be used as turnaround documents.

(B) they are inexpensive.

(C) input is slow compared with other media

(D) they are easily damaged

Q.8 The primary advantage of key to tape data entry system is ……

(A) a large percentage of editing can be performed at the time of data entry

(B) key verification is easily performed

(C) tape is reusable

(D) keying errors can be detected as they occur

Q.9 Linkage between CPU and users is provided by ……

(A) peripheral devices

(B) storage

(C) control unit

(D) software

Q.10 Which of the following is widely used in academic testing?

(A) MICR

(B) POS

(C) OCR

(D) OMR