Question # 1

Internal modem is connected to

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DCE cable

RJ 45 cable

RS 232 serial port

DTE cable

Voice input devices convert voice input to.

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digital code

OCR-A

bar codes

optical marks

Which of the following does not support I/O devices

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speaker

OCR

joystick

ALU

Personal computer users may wish to increase their hard disk storage capacity with.

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higher density

DAT

read only media

removable hard disk cartridge

The most commonly used character code/s transmission is/are

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EBCDIC

ASCII

both EBCDIC and ASCII

nethier EBCDIC and ASCII

Which input device is often attached to laptop computers.

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trackball

inscriber

graphics display

wand reader

A device that inputs data by scanning letters and numbers is a.

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keyboard

wand reader

mouse

diskette

Which of the following does not represent an I/O devices?

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speaker

OCR

Joystick

ALU

A set raw, unprocessed facts, figures and symbols is called

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Information

Data

Instruction

Code

The concept of using several small disk packs that work together as a unit is

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CD-ROM

RAID

WORM

OMR

Data us transmitted block by block in

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Asynchronous mode

Synchronous mode

Communication mode

Satellite mode

The mechanism for reading or writing data in a disk is called

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track

rorational delay

access arm

seek time

Records stored on a Direct Access storage device.

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must be read in a specific order

must be read in groups

must be read directly

must be read sequentially or directly

Assigning more sector to outer hard disk is called

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zone recording

randomizing

sectoring

data transfer

Computer output produced as small film images is called

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OCR

COM

LCD

OMR

Imaging used what devices to input data?

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scanner

barcode reader

icon

tablet

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