A program that performs a useful task while simultaneously allowing destructive acts is

Question

A program that performs a useful task while simultaneously allowing destructive acts is

A. Worm.

B. Trojan horse.

C. Virus.

D. Macro virus.

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ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?

A. Extended Binary Case Decimal Interchange Code

B. Extended Bit Case Decimal Interchange Code

C. Extended Bit Code Decimal Interchange Code

D. Extended Binary Coded Decimal Interchange Code

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In _____ mode, the communication channel is used in both directions at the same time?

A. Full-duplex

B. Simplex

C. Half-duplex

D. None of the above

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Regarding a VDU, Which statement is more correct?

A. It is an output device

B. It is an input device

C. It is a peripheral device

D. It is hardware item

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What does DMA stand for?

A. Distinct Memory Access

B. Direct Memory Access

C. Direct Module Access

D. Direct Memory Allocation

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Which computers are used as servers for any medium sized organizations?

A. Mainframe Computer

B. Mini Computers

C. Micro Computers

D. Super Computers

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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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________ are used for plotting graphs and design on papers

A. Trackball

B. Joystick

C. Light pen

D. Plotters

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Algorithm and Flow chart help us to

A. Know the memory capacity

B. Identify the base of a number system

C. Direct the output to a printer

D. Specify the problem completely and clearly

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Which of the following can store information in the form of microscopic pits on metal disks.

A. Laser disks

B. Tape cassettes

C. RAM cartridge

D. Punched cards

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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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What are the stages in the compilation process?

A. Feasibility study, system design and testing

B. Implementation and documentation

C. Lexical Analysis, syntax analysis, and code generation

D. None of the above

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RJ45 UTP cable has _____ Cables.

A. 2 pair

B. 3 pair

C. 4 pair

D. 5 pair

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Which type of system puts the user into direct conversation with the computer through a keyboard?

A. Real time processing

B. Interactive computer

C. Batch processing

D. Time sharing

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Which of the following memories need refresh?

A. SRAM

B. DRAM

C. ROM

D. All of the above

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Which of the following have the fastest access time?

A. Semiconductor Memories

B. Magnetic Disks

C. Magnetic Tapes

D. Compact Disks

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Different components of the motherboard of a PC unit are linked together by sets of parallel electrical conducting lines. What are these lines called?

A. Conductors

B. Buses

C. Connectors

D. Consecutives

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Which of the following storage devices can store maximum amount of data?

A. Floppy Disk

B. Hard Disk

C. Compact Disk

D. Magneto Optic Disk

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On a PC, how much memory is available to application software?

A. 1024 KB

B. 760 KB

C. 640 KB

D. 560 KB

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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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Compression of digital data for efficient storage is

A. Buffer

B. CPU

C. Packing

D. Field

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The two kinds of main memory are:

A. Primary and secondary

B. Random and sequential

C. ROM and RAM

D. All of above

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It was in 2028 BS the was brought in to calculate census datA.

A. IBM 1400

B. IBM 1401

C. ICL 2950

D. None of above

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Which of the following is not a feature of first generation computers

A. They used vacuum tubes or valves as main electronic component

B. They consumed lots of electricity and produced excessive heat

C. They used machine language and assembly language to program the machine

D. None of above

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Which computer was considered the first electronic computer until 1973 when court invalidated the patent?

A. ENIAC

B. MARK I

C. Z3

D. ABC

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The most important advantage of a video disk is

A. Compactness

B. Potential capacity

C. Durability

D. Cost effectiveness

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Signals can be analog or digital and a computer that processes the both type of signals is known as

A. Analog computer

B. Digital Computer

C. Hybrid Computer

D. Mainframe Computer

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Which of the following is not a class based on size?

A. Mainframe Computer

B. Micro Computer

C. Mini Computer

D. Digital Computer

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When did John Napier develop logarithm?

A. 1416

B. 1614

C. 1641

D. 1804

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The first electronic computer was developed by

A. J.V. Attansoff

B. Bill Gates

C. Simur Cray

D. Winton Serf

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A computer consists of

A. A central processing unit

B. A memory

C. Input and output unit

D. All of the above

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Accepted Answer

B. Trojan horse.

A program that performs a useful task while simultaneously allowing destructive acts is

Correct Answer :

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Related Questions

ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?

In _____ mode, the communication channel is used in both directions at the same time?

Regarding a VDU, Which statement is more correct?

What does DMA stand for?

Which computers are used as servers for any medium sized organizations?

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

________ are used for plotting graphs and design on papers

Algorithm and Flow chart help us to

Which of the following can store information in the form of microscopic pits on metal disks.

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

What are the stages in the compilation process?

RJ45 UTP cable has _____ Cables.

Which type of system puts the user into direct conversation with the computer through a keyboard?

Which of the following memories need refresh?

Which of the following have the fastest access time?

Different components of the motherboard of a PC unit are linked together by sets of parallel electrical conducting lines. What are these lines called?

Which of the following storage devices can store maximum amount of data?

On a PC, how much memory is available to application software?

Which of the following is not an input device?

Compression of digital data for efficient storage is

The two kinds of main memory are:

It was in 2028 BS the was brought in to calculate census datA.

Which of the following is not a feature of first generation computers

Which computer was considered the first electronic computer until 1973 when court invalidated the patent?

The most important advantage of a video disk is

Signals can be analog or digital and a computer that processes the both type of signals is known as

Which of the following is not a class based on size?

When did John Napier develop logarithm?

The first electronic computer was developed by

A computer consists of

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