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	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
2	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
3	A hard disk can be backed up efficiently using.	A. WORM B. a transaction file C. a tape backup system D. zoning
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	Word is 16 bits is	A. 65536 B. 64526 C. 32526 D. 34526
6	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
7	Soft copy refers to	A. OCR-A B. screen output C. microfiche D. digitizing
8	To concept of using several small disk packs that work together as a unit is.	A. CD-ROM B. RAID C. WORM D. OMR
9	The encoding scheme of data represent as	A. EBCDIC code B. ASCII code C. Unicode D. All of the above
10	A graph prepared by a computer.	A. Is its output B. Is the piece of information to user C. Is a hard copy D. All of the above