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 concept of using several small disk packs that work together as a unit is.	A. CD-ROM B. RAID C. WORM D. OMR
2	A pictorial screen symbol that represents a computer activity is called a(n).	A. pointer B. touch screen C. icon D. MICR
3	The disk storage that uses both a magnet and laser beam.	A. hashing B. magneto-optical C. CD-ROM D. WORM
4	Which input device is often attached to laptop computers.	A. trackball B. inscriber C. graphics display D. wand reader
5	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
6	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.
7	Imaging used what devices to input data?	A. scanner B. barcode reader C. icon D. tablet
8	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
9	The transfer of data from one place to another is called	A. Data processing B. Data distribution C. Data communication D. Data encryption
10	Data transmission speed of wire pair is	A. 9600 bps B. 9500 bps C. 3600 bps D. 3500 bps