Question # 1

Arithmetic operations are carried out by ---------------- unit

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logical

inner

ALU

other

One byte equal:

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4 bits

6 bits

8 bits

12 bits

CD-ROM is a type of _________.

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Optical disk

Hard disk

Soft disk

Compact disk

1 kb = _____________ bytes

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10

100

1000

10,000

Data is defined as combination of

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character and numbers

characters and symbols

numbers and symbols

characters, number and symbols

CD-ROM is a type of

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hard disk

soft disk

floppy disk

optical disk

Monitors, PC projectors and sound systems are

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soft copy output devices

real copy output devices

raw copy output devices

hardcopy output devices

Screen output is considered as a _________.

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Hardcopy

Softcopy

Input

Software

A binary digit is commonly called:

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Byte

Kilobyte

Gigabyte

Bit

Super computers can process million of instructions:

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Per second

Per microsecond

Per minute

Per hour

Joystick is an example of:

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Input devices

Output devices

Processing devices

Storage devices

The most common type of computer memory is called:

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ALU

ENIAC

RAM

ROM

Arithmetic operations are carried out by_______ units:

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CPU

RAM

ALU

ROM

Machine language is in the form of

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1 and 2

0 and 1

1 and 3

0 and 3

1 MB equals _________byes

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1,094,265

1,904,265

1,048.576

Which one is called as a set of electronic instructions ?

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hardware

software

hardcopy

softcopy

Keyboard is commonly used_______device.

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Output

Input

Primary

Secondary

Commonly used input device is

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pen

keyboard

monitor

joystick

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