ECAT Pre Computer Science Chapter 3 online mcq test with answers for chapter 3 (Data Communication)

ECAT Computer Science Chapter 3 The Peripheral Devices Online Test

Sr. #	Questions	Answers Choice
1	A one color screen on a black background is called	monochrome addressable blank lcd
2	The ability to return a change disk record to its original location is called	magneto optical rotational delay updating in place multimedia
3	The major disadvantage of magnetic tape is	cost unreliability of store data slow data recording data is accessed sequentially
4	Assigning more sector to outer hard disk is called	data transfer randomizing sectoring zone recording
5	Assigning more sector to outer hard disk is called	zone recording randomizing sectoring data transfer
6	Shift of register by one bit to left in binary code is equivalent to	addition of 2 subtraction of 2 division by 2 multiplication by 2
7	A storage medium which can not support both direct access and sequential access application is	<blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;">magnetic drum</blockquote> hard disk magnetic tape floppy disk
8	A pictorial screen symbol that represent a computer activity is called	touch screen icon miicr pointer
9	A pictorial screen symbol that represent a computer activity is called	pointer touch screen miicr icon
10	The speed at which a disk can find data being bought is called	access time data transfer rate direct time cylinder time
11	The time required for the access arm to get into position over a particular track is	rotational delay data transfer seek time head switching
12	A disk pack within a selected data module is a	backup unit Winchester diskette Cd-Rom
13	A disk pack within a selected data module is a	backup unit Winchester diskette Cd-Rom
14	DASD refers to	disk storage track tape storage sorting
15	Soft copy refers to	OCR-A screen output microfiche digitizing

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