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 disk storage that use both magnet and laser beam	A. hashing B. magneto optical C. CD-ROM D. WORM
2	Records stored on a Direct Access storage device.	A. must be read in a specific order B. must be read in groups C. must be read directly D. must be read sequentially or directly
3	Which is not beneficial of secondary storage	A. convenience B. DAT C. economy D. space
4	The mechanism for reading or writing data in a disk is called	A. access arm B. rorational delay C. seek time D. track
5	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
6	Computer output produced as small film images is called	A. LCD B. COM C. OMR D. OCR
7	The cursor can be moved rolling this devices on a flat surface:	A. mouse B. trackball C. want reader D. interactive tablet
8	DASD refers to.	A. disk storage B. track C. tape storage D. sorting
9	The major disadvantage of magnetic tapes is.	A. cost B. unreliability of store data C. slow data recording D. data is to be accessed sequentially
10	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