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	A storage medium which can not support both direct access and sequential access application is	A. magnetic drum B. hard disk C. magnetic tape D. floppy disk
2	The disk storage that use both magnet and laser beam	A. hashing B. magneto optical C. CD-ROM D. WORM
3	The time required 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
4	CD-ROM has the same format as	A. DAT B. diskette C. audio compact disk D. backup tape
5	Computer output produced as small film images is called.	A. OCR B. COM C. LCD D. OMR
6	The transfer of data from one place to another is called	A. Data processing B. Data distribution C. Data communication D. Data encryption
7	Internal modem is connected to	A. DCE cable B. RJ 45 cable C. RS 232 serial port D. DTE cable
8	Communication between a computer and keyboard involes __________ transmission.	A. Half duplex B. Full-duplex C. Simplex D. Automatic
9	Which of the following does not support I/O devices	A. speaker B. OCR C. joystick D. ALU
10	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