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	Which input device is often attached to laptop computers:	A. trackball B. inscriber C. wand reader D. graphic display
2	DASD refers to	A. disk storage B. track C. tape storage D. sorting
3	CD-ROM has the same format as a(n).	A. backup tape B. DAT C. diskette D. audio compact disk
4	The time require for the access arm to get into position over a particular track is.	A. rotational delay B. data transfer C. seek time D. head switching
5	Shift of 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
6	Following devices are used in simplex mode	A. Radio B. Television C. a , b D. Multiplexers
7	The ability to return a changed disk record to its original location is called.	A. magneto-optical B. rotational delay C. multimedia D. updating in place
8	Computer output produced as small film images is called	A. LCD B. COM C. OMR D. OCR
9	Voice input devices convert voice input to.	A. digital code B. OCR-A C. bar codes D. optical marks
10	The mechanism for reading or writing data in a disk is called a(n).	A. track B. rotational delay C. seek time D. access arm