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 encoding scheme of data represent as	A. EBCDIC code B. ASCII code C. Unicode D. All of the above
2	Following devices are used in simplex mode	A. Radio B. Television C. a , b D. Multiplexers
3	The mechanism for reading or writing data in a disk is called	A. track B. access arm C. seek time D. rorational delay
4	A hard disk can be backed up efficiently using.	A. WORM B. a transaction file C. a tape backup system D. zoning
5	If electrical power supply to a computer system is inadvertently disrupted, the serious damage would occur to.	A. CPU B. disk C. CRT D. printer
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	The equipment attached to CPU which computer can access are called	A. Hardware B. input output devices C. computer components D. peripherals
8	Frequency is measured in	A. Channels B. Hertz C. Bandwidth D. Baud
9	Laser beam technology is used for.	A. terminals B. optical disk C. keyboards D. magnetic tape
10	A way of physically organizing data on a disk pack to minimize seek time uses.	A. sequential file B. removable hard C. the cylinder method D. Winchester technology