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	To send data, instruction and information you need a	A. Sending device B. Receiving device C. Channel device D. Communication signal
2	A disk pack within a selected data module is a	A. backup unit B. Winchester C. diskette D. Cd-Rom
3	The concept of using several small disk packs that work together as a unit is	A. CD-ROM B. RAID C. WORM D. OMR
4	The voice channel has a bandwidth of	A. 0 - 2 KHz B. 0 - 4 KHz C. 5 - 10 KHz D. 10 - 20 KHz
5	The equipment attached to CPU which computer can access are called	A. Hardware B. input output devices C. computer components D. peripherals
6	The cursor can be moved rolling this devices on a flat surface:	A. mouse B. trackball C. want reader D. interactive tablet
7	The time require for the access arm to get into position over a particular track is.	A. rotational delay B. data transfer C. seek time D. head switching
8	Computer output produced as small film images is called	A. OCR B. OMR C. COM D. LCD
9	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
10	Laser beam technology is used for.	A. terminals B. optical disk C. keyboards D. magnetic tape