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 The disk storage that uses both a magnet and laser beam. hashing magneto-optical CD-ROM WORM
2 In a computer system, which of the following has largest number of mechanical components and thus most unreliable. magnetic tape magnetic drum floppy disk printer
3 Computer output produced as small film images is called. OCR COM LCD OMR
4 The CRT technology with the best resolution. MICR VGA SVGA LCD
5 A color screen with the best resolution has the most. CRT VGA COM pixel
6 Which input device is often attached to laptop computers. trackball inscriber graphics display wand reader
7 The mechanism for reading or writing data in a disk is called a(n). track rotational delay seek time access arm
8 The cursor can be moved rolling this device on a flat surface. mouse wand reader trackball interactive tablet
9 Imaging used what device to input data.? scanner icon bar code reader tablet
10 Voice input devices convert voice input to. digital code OCR-A bar codes optical marks
11 Laser beam technology is used for. terminals optical disk keyboards magnetic tape
12 Which of the following does not represent an I/O devices? speaker OCR Joystick ALU
13 An example of peripheral equipment CPU spreadsheet printer microcomputer
14 The equipment attached to CPU which computer can access are called. hardware input/output devices peripherals computer components
15 Following devices are used in simplex mode Radio Television a , b Multiplexers
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