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 digital computer system consists of a central processing unit interfaced with	A. input devices B. auxiliary storage C. output devices D. all of above
2	Which of the following does not represent an I/O devices?	A. speaker B. OCR C. Joystick D. ALU
3	The ability to return a changed disk record to its original location is called.	A. magneto-optical B. rotational delay C. multimedia D. updating in place
4	The mechanism for reading or writing data in a disk is called	A. track B. access arm C. seek time D. rorational delay
5	A hard disk can be backed up efficiently using.	A. WORM B. a transaction file C. a tape backup system D. zoning
6	A device that inputs data by scanning letters and numbers is a.	A. keyboard B. wand reader C. mouse D. diskette
7	Which of the following does not support I/O devices	A. speaker B. OCR C. joystick D. ALU
8	Soft copy refers to	A. OCR-A B. screen output C. microfiche D. digitizing
9	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
10	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.