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 disk storage that uses both a magnet and laser beam.	A. hashing B. magneto-optical C. CD-ROM D. WORM
2	A digital computer system consists of a central processing unit interfaced with	A. input devices B. auxiliary storage C. output devices D. all of above
3	The voice channel has a bandwidth of	A. 0 - 2 KHz B. 0 - 4 KHz C. 5 - 10 KHz D. 10 - 20 KHz
4	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
5	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
6	A device that inputs data by scanning letters and number is a	A. keyboard B. wand reader C. mouse D. diskette
7	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
8	To send data, instruction and information you need a	A. Sending device B. Receiving device C. Channel device D. Communication signal
9	The equipment attached to CPU which computer can access are called	A. Hardware B. input output devices C. computer components D. peripherals
10	A pictorial screen symbol that represent a computer activity is called	A. pointer B. touch screen C. miicr D. icon