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	Frequency is measured in	A. Channels B. Hertz C. Bandwidth D. Baud
2	A disk pack within a selected data module is a	A. backup unit B. Winchester C. diskette D. Cd-Rom
3	The equipment attached to CPU which computer can access are called.	A. hardware B. input/output devices C. peripherals D. computer components
4	A device that inputs data by scanning letters and numbers is a.	A. keyboard B. wand reader C. mouse D. diskette
5	To most commonly used output device today is a.	A. CRT monitor B. keyboard C. mouse D. card punch
6	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
7	Which of the following does not support I/O devices	A. speaker B. OCR C. joystick D. ALU
8	The transfer of data from one place to another is called	A. Data processing B. Data distribution C. Data communication D. Data encryption
9	Communication between a computer and keyboard involes __________ transmission.	A. Half duplex B. Full-duplex C. Simplex D. Automatic
10	An example of peripheral devices	A. CPU B. Printer C. Spreadsheet D. microcomputer