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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

Correct Answer :

B. Passwords


Related Questions

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4

Machine language is

A. Machine dependent

B. Difficult to program

C. Error prone

D. All of above

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4

An integrated circuit is

A. A complicated circuit

B. An integrating device

C. Much costlier than a single transistor

D. Fabricated on a tiny silicon chip

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4

The value of each bead in earth is

A. 1

B. 3

C. 5

D. 7

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4

An integrated circuit is

A. A complicated circuit

B. An integrating device

C. Much costlier than a single transistor

D. Fabricated on a tiny silicon chip

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4

Which of the following computer implemented binary numbers, perform calculations using electronics and implemented separate computation and memory for the first time?

A. Mark I

B. ABC

C. Z3

D. None of above

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4

Which of the following is not a primary storage device?

A. Magnetic tape

B. Magnetic disk

C. Optical disk

D. All of above

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4

Most of the first generation computers were

A. Special purpose computers

B. General purpose computers

C. Both of above

D. None of above

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4

Each model of a computer has a unique

A. Assembly of a computer

B. Machine language

C. High level language

D. All of the above

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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

Which of the following is not an input device?

A. OCR

B. Optical scanners

C. COM (Computer Output to Microfilm)

D. Voice recognition device

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4

Reading data is performed in magnetic disk by

A. Read/write leads

B. Sectors

C. Track

D. Lower surface

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4

Regarding data, computers are very good at

A. store

B. Processing

C. retrieve

D. All of above

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4

A kind of scanner MICR is the short form of

A. Magnetic Ink Character Reader

B. Magnetic Ink Code Reader

C. Magnetic Ink Cases Reader

D. None

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4

Which of the following are the cheapest memory devices in terms of Cost/Bit?

A. Semiconductor memories

B. Magnetic Disks

C. Compact Disks

D. Magnetic Tapes

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4

Which of the following is a class of computers based on model?

A. Digital Computer

B. Hybrid Computers

C. Analog Computers

D. AT Computers

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4

A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is

A. Touch panel

B. Mouse

C. Wand

D. Writing tablet

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4

Which of the following was a special purpose computer?

A. ABC

B. ENIAC

C. EDVAC

D. All of the above

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4

The word processing task associated with changing the appearance of a document is

A. Editing

B. Writing

C. Formatting

D. All of above

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4

A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a-

A. Hacker

B. spammer

C. instant messenger

D. programmer

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4

UNIVAC is

A. Universal Automatic Computer

B. Universal Array Computer

C. Unique Automatic Computer

D. Unvalued Automatic Computer

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4

UNIVAC was a first generation computer. What is its full form?

A. Universal Automatic Computer

B. Universal Array Computer

C. Unique Automatic Computer

D. Unvalued Automatic Computer

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4

A song being played on computer speaker is

A. hard output

B. soft output

C. both hard and soft output

D. neither hard nor soft output

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4

Charles Babbage is considered the father of modern computers because

A. of his difference engine

B. of his analytical engine

C. his concept of input, mill and output

D. All of above

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4

The symbols used in an assembly language are

A. Codes

B. Mnemonics

C. Assembler

D. All of the above

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4

Which of the following will happen when data is entered into a memory location?

A. It will add to the content of the location

B. It will change the address of the memory location

C. It will erase the previous content

D. It will not be fruitful if there is already some data at the location

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4

The operating speed of third generation computer was

A. Milliseconds

B. Microseconds

C. Nanoseconds

D. Picoseconds

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4

The advantage of COM are its and

A. Compact size; speed readability

B. Compact size, speed

C. Readability; speed

D. Low cost; readability

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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

Which of the following is first generation computer?

A. EDSAC

B. IBM 1401

C. CDC 1604

D. ICL 2950

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4

Which of the following disk is fixed disk?

A. Hard Disks

B. Flash Disks

C. Blu-Ray Disks

D. DVDs