ECAT Computer Science Chapter 3 The Peripheral Devices Online Test With Answers

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ECAT Computer Science Chapter 3 The Peripheral Devices Online Test

Sr. # Questions Answers Choice
1 A device that inputs data by scanning letters and number is a keyboard wand reader mouse diskette
2 A device used for optical character recognition is wand reader light pen mouse micr reader
3 Abother word for printer monochrome microfiche ` pixel cursos
4 A digital computer system consists of a central processing unit interfaced with input devices auxiliary storage output devices all of above
5 The most commonly used output devices in a computer system are printers and monitors disk drives and printers disk drive and tape drives tape drive and keyboards
6 If electrical power supply to a computer system is inadvertently disrupted ,the serious damage would occur to CPU disk CRT printer
7 A magnetize spot represent CPI MB 0 bit 1 bit
8 A magnetized spot represents cpi MB 0 bit 1 bit
9 Which is not beneficial of secondary storage convenience DAT economy space
10 The concept of using several small disk packs that work together as a unit is CD-ROM RAID WORM OMR
11 CD-ROM has the same format as DAT diskette audio compact disk backup tape
12 CD-ROM has the same format as backup tape DAT diskette audio compact disk
13 Personal computer user may wish to increase their hard disk storage capacity with higher density DAT read only media removable hard disk cartridge.
14 The disk storage that use both magnet and laser beam hashing magneto optical CD-ROM WORM
15 In a computer system,which of the following has largest number of mechanical components and thus most unreliable : magnetic disk magnetic drum floppy disk printer
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