Computer Basics Questions

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101.

The personnel who deals with the computer & its management put together are called

A

Software

B

Humanware

C

Firmware

D

Hardware

E

None of the above

Correct Answer: B

Humanware is hardware and software that emphasizes user capability and empowerment and the design of the user interface. The process of building humanware generally consists of these steps: 1. Define users (age, mindset, environmental context, previous product experience and expectations, and so forth) and what they really want to do. 2. Identify tasks they will need to do or capabilities they will want 3. Specify usability objectives (if possible, these should be measurable, such as how long to do something or how many mouse clicks to get to a specified task point) for each task or capability. 4. Build a prototype of the user interface (it can be a paper or simulated prototype if time is short) 5. Test and verify or correct the prototype 6. Provide the prototype and usability objectives to the program designers and coders. Source : techtarget.com

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102.

A modern digital computer has

A

Extremely high speed

B

Large memory

C

Almost unlimited array

D

All of the above

E

None of the above

Correct Answer: D

None.

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103.

The report card and merit list forms the

A

Output data

B

Data processing

C

Central Processing

D

Input data

E

None of the above

Correct Answer: A

Output data : Data output is the process and method by which data can be studied under different circumstances and manipulated as required by the researcher. Any statistical analysis produces an output data that needs to be studied.

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104.

Which of the following is the coding of data so that is can't be easily understood if intercepted.

A

Barcode

B

Decoder

C

Encryption

D

Mnemonics

E

None of the above

Correct Answer: C

Encryption : Encryption is the process of encoding a message or information in such a way that only authorized parties can access it and those who are not authorized cannot. Encryption does not itself prevent interference, but denies the intelligible content to a would-be interceptor.

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105.

A modern electronic computer is a machine that is meant for

A

Doing quick mathematical calculations

B

Input storage, manipulation of outputting of data

C

Electronic data processing

D

Performing repetitive tasks accurately

E

None of the above

Correct Answer: B

None.

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106.

A billionth of a second is defined as a:

A

millisecond

B

microsecond

C

nanosecond

D

picoseconds

E

None of the above

Correct Answer: C

Nanosecond : A nanosecond (ns) is an SI unit of time equal to one thousand-millionth of a second (or one billionth of a second), that is, 1/1,000,000,000 of a second, or 10?9 seconds.

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107.

Which of the following is not currently a topic in computer science?

A

Speech recognition

B

Artificial intelligence

C

Thermodynamics

D

Multiprocessing

E

None of the above

Correct Answer: C

Thermodynamics is the branch of physics concerned with heat and temperature and their relation to energy and work.

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108.

Human beings are referred to as Homosapiens. Which device is called Silico sapiens?

A

Monitor

B

Hardware

C

Robot

D

Computer

E

None of the above

Correct Answer: D

None.

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109.

Which of the following is used to insure the high quality of computer output?

A

computer output microfilm

B

output controls

C

voice output systems

D

liquid crystal display

E

None of the above

Correct Answer: B

output controls is used to insure the high quality of computer output

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110.

What is meant by a dedicated computer?

A

Which is used by one person only

B

Which is assigned one and only one task

C

Which uses on kind of software

D

Which is meant for application software only

E

None of the above

Correct Answer: B

Dedicated computer : Which is assigned one and only one task

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