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 ___________ is the physical path over which a message travels.	A. Single B. Double C. Protocol D. Medium
2	The concept of using several small disk packs that work together as a unit is	A. CD-ROM B. RAID C. WORM D. OMR
3	To most commonly used output device today is a.	A. CRT monitor B. keyboard C. mouse D. card punch
4	A pictorial screen symbol that represent a computer activity is called	A. touch screen B. icon C. miicr D. pointer
5	A device used for optical character recognition is	A. wand reader B. light pen C. mouse D. micr reader
6	A pictorial screen symbol that represent a computer activity is called	A. pointer B. touch screen C. miicr D. icon
7	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
8	The most commonly used character code/s transmission is/are	A. EBCDIC B. ASCII C. both EBCDIC and ASCII D. nethier EBCDIC and ASCII
9	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
10	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.