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 most commonly used output devices in a computer system are	A. printers and monitors B. disk drives and printers C. disk drive and tape drives D. tape drive and keyboards
2	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
3	A magnetized spot represents.	A. cpi B. MB C. 0 bit D. 1 bit
4	A digital computer system consists of a central processing unit (CPU) interfaced with.	A. input devices B. auxilary storage C. output devices D. all of the above
5	Personal computer user may wish to increase their hard disk storage capacity with	A. higher density B. DAT C. read only media D. removable hard disk cartridge.
6	The cursor can be moved rolling this devices on a flat surface:	A. mouse B. trackball C. want reader D. interactive tablet
7	CD-ROM has the same format as	A. DAT B. diskette C. audio compact disk D. backup tape
8	The mechanism for reading or writing data in a disk is called	A. track B. rorational delay C. access arm D. seek time
9	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
10	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