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	In a computer system, which of the following has largest number of mechanical components and thus most unreliable.	A. magnetic tape B. magnetic drum C. floppy disk D. printer
2	To send data, instruction and information you need a	A. Sending device B. Receiving device C. Channel device D. Communication signal
3	The major disadvantage of magnetic tape is	A. cost B. unreliability of store data C. slow data recording D. data is accessed sequentially
4	A one color screen on a black background is called	A. monochrome B. addressable C. blank D. lcd
5	The disk storage that use both magnet and laser beam	A. hashing B. magneto optical C. CD-ROM D. WORM
6	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
7	Personal computer users may wish to increase their hard disk storage capacity with.	A. higher density B. DAT C. read only media D. removable hard disk cartridge
8	A disk pack within a selected data module is a	A. backup unit B. Winchester C. diskette D. Cd-Rom
9	A storage medium which can not support both direct access and sequential access application is	A. magnetic drum B. hard disk C. magnetic tape D. floppy disk
10	Data transmission speed of wire pair is	A. 9600 bps B. 9500 bps C. 3600 bps D. 3500 bps