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	Shift of 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
2	The equipment attached to CPU which computer can access are called	A. Hardware B. input output devices C. computer components D. peripherals
3	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
4	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
5	Which of the following cable is comprised of two separate insulated copper wires that are twisted?	A. Fiber optics B. Twisted pair wire C. coax D. Submarine
6	The speed at which a disk can find data being bought is called	A. access time B. data transfer rate C. direct time D. cylinder time
7	A device used for optical-character recognition is a.	A. wand reader B. light pen C. mouse D. MICR reader
8	A set raw, unprocessed facts, figures and symbols is called	A. Information B. Data C. Instruction D. Code
9	An example of peripheral devices	A. CPU B. Printer C. Spreadsheet D. microcomputer
10	A magnetized spot represents.	A. cpi B. MB C. 0 bit D. 1 bit