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4

Instructions and memory address are represented by

A. Character code

B. Binary codes

C. Binary word

D. Parity bit

Correct Answer :

B. Binary codes


Related Questions

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4

A paper printout of a document is known as

A. Softcopy output

B. Hardcopy output

C. Permanent Output

D. All of above

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4

Most of the inexpensive personal computers do not have any disk or diskette drive. What is the name of such computes?

A. Home computers

B. Diskless computers

C. Dedicated computers

D. General purpose computers

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4

The translator program used in assembly language is called

A. Compiler

B. Interpreter

C. Assembler

D. Translator

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4

Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU hardware as the result of operations), are known as

A. PC

B. Flags

C. Memory Address Registers

D. General Purpose Registers

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4

A digital computer did not score over an analog computer in terms of

A. Speed

B. Accuracy

C. Reliability

D. Cost

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What is the path from which data flow in a computer system is known as

A. Car

B. Bus

C. Truck

D. Road

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4

What is a light pen?

A. Mechanical Input device

B. Optical input device

C. Electronic input device

D. Optical output device

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4

As compared to diskettes, the hard disks are

A. More expensive

B. More portable

C. Less rigid

D. Slowly accessed

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4

Which output device is used for translating information from a computer into pictorial form on paper.

A. Mouse

B. Plotter

C. Touch panel

D. Card punch

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4

What is the main difference between a mainframe and a super computer?

A. Super computer is much larger than mainframe computers

B. Super computers are much smaller than mainframe computers

C. Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently

D. Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.

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4

Which is the first electronic digital computer?

A. ENIAC

B. MARK I

C. Z3

D. ABC

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4

When was the first electro-mechanical computer developed?

A. 1880

B. 1990

C. 1944

D. None of above

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4

Why ABC is considered electro-mechanical computer?

A. Because it was invented before electronic computers were developed

B. Because there are wheels, drums, bars to rotate and move to produce result

C. Because they use the flow of electrons in different component

D. None of above

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4

Which unit converts computer data into human readable form?

A. Input unit

B. Output unit

C. ALU

D. Control Unit

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4

EEPROM stands for

A. Electrically Erasable Programmable Read Only Memory

B. Easily Erasable Programmable Read Only Memory

C. Electronic Erasable Programmable Read Only Memory

D. None of the above

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4

Magnetic disks are the most popular medium for

A. Direct access

B. Sequential access

C. Both of above

D. None of above

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4

First generation computers used_____ for memory

A. vacuum tubes

B. silicon chips

C. magnetic drum

D. RAM

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4

A term associated with the comparison of processing speeds of different computer system is:

A. EFTS

B. MPG

C. MIPS

D. CPS

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4

Why are vacuum tubes also called valves?

A. Because they can amplify the weak signals and make them strong

B. Because they can stop or allow the flow of current

C. Both of above

D. None of above

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4

Codes consisting of light and dark marks which may be optically read is known as

A. Mnemonics

B. Bar code

C. Decoder

D. All of the above

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4

Which of the following class of computers cannot support multiple users simultaneously?

A. Mainframe Computer

B. Mini Computers

C. Micro Computers

D. All of them can support

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4

Coded entries which are used to gain access to a computer system are called

A. Entry codes

B. Passwords

C. Security commands

D. Code words

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4

The contents of information are stored in

A. Memory data register

B. Memory address register

C. Memory arithmetic registers

D. Memory access register

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4

Before a disk can be used to store datA. It must be

A. Formatted

B. Reformatted

C. Addressed

D. None of the above

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4

Why are vacuum tubes also called valves?

A. Because they can amplify the weak signals and make them strong

B. Because they can stop or allow the flow of current

C. Both of above

D. None of above

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4

Which is considered a direct entry input device?

A. Optical scanner

B. Mouse and digitizer

C. Light pen

D. All of the above

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4

The list of coded instructions is called

A. Computer program

B. Algorithm

C. Flowchart

D. Utility programs

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________ is the measurement of things such as fingerprints and retinal scans used for security access.

A. Biometrics

B. Bio measurement

C. Computer security

D. Smart weapon machinery

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4

Which statement is valid about interpreter?

A. It translates one instruction at a time

B. Object code is saved for future use

C. Repeated interpretation is not necessary

D. All of above

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4

Which statement is valid about computer program?

A. It is understood by a computer

B. It is understood by programmer

C. It is understood user

D. Both a & b