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 equipment attached to CPU which computer can access are called	A. input output devices B. peripherals C. computer components D. Hardware
2	In a computer system,which of the following has largest number of mechanical components and thus most unreliable :	A. magnetic disk B. magnetic drum C. floppy disk D. printer
3	Which of the following does not represent an I/O devices?	A. speaker B. OCR C. Joystick D. ALU
4	Records stored on a Direct Access storage device.	A. must be read in a specific order B. must be read in groups C. must be read directly D. must be read sequentially or directly
5	The mechanism for reading or writing data in a disk is called	A. access arm B. rorational delay C. seek time D. track
6	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
7	To send data, instruction and information you need a	A. Sending device B. Receiving device C. Channel device D. Communication signal
8	The concept of using several small disk packs that work together as a unit is	A. CD-ROM B. RAID C. WORM D. OMR
9	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
10	Microwave and Communication Satellite are example of	A. Guided B. Un-guided C. Simplex D. Router