ECAT Pre Computer Science MCQ Test For Computer Chapter 3 With Answer

Top Scorers Of ECAT Computer Science Chapter 3 The Peripheral Devices MCQ`s Test

Sr.#	Question	Answer
1	The speed with which a disk can find data being bought is called.	A. access time B. data transfer time C. direct time D. cylinder time
2	A pictorial screen symbol that represent a computer activity is called	A. touch screen B. icon C. miicr D. pointer
3	A device that inputs data by scanning letters and number is a	A. keyboard B. wand reader C. mouse D. diskette
4	Shift of a register by one bit to left in binary code is equivalent to.	A. addition of 2 B. subtraction of 2 C. division by 2 D. multiplication by 2
5	The encoding scheme of data represent as	A. EBCDIC code B. ASCII code C. Unicode D. All of the above
6	An arrangement in which data is transmitted in both directions at a time is called	A. Simplex B. Full duplex C. Half duplex D. Multi-duplex
7	Which is not beneficial of secondary storage	A. convenience B. DAT C. economy D. space
8	To most commonly used output device today is a.	A. CRT monitor B. keyboard C. mouse D. card punch
9	A computer that accepts handwritten input on a screen.	A. minicomputer B. desktop computer C. mainframe D. pen-based computer
10	Which input device is often attached to laptop computers.	A. trackball B. inscriber C. graphics display D. wand reader