basics of hardware & software Practice Questions Answers Test with Solutions & More Shortcuts

Question : 1 [SBI PO, 2013]

Which of the following refers to too much electricity and may cause a voltage surge?

a) Anomaly

b) Shock

c) Spike

d) Virus

e) Splash

Answer: (c)

Note for voltage surge:

Voltage spikes and surges can be caused by lightning, static electricity, magnetic fields, and internal changes in voltage use. The best way to protect your electronic equipment is with the use of a surge protector.

Question : 2

Where would you find a magnetic strip?

a) Speakers

b) Credit card

c) Smart card

d) All of the above

e) None of these

Answer: (b)


Types of magnetic stripe cards currently in use include driver's licenses, credit cards, employee ID cards, hotel rooms, gift cards, and public transit cards.

a strip of magnetic material on which information may be stored, as by an electromagnetic process, for automatic reading, decoding, or recognition by a device that detects magnetic variations on the strip.

a credit card with a magnetic strip to prevent counterfeiting.


Question : 3

The errors that can be pointed out by the compiler are

a) Logical errors

b) Semantic errors

c) Syntax errors

d) All of the above

e) None of these

Answer: (c)

The errors that can be pointed out by the compiler are Syntax errors.

In computer science, a syntax error is an error in the syntax of a sequence of characters or tokens that are intended to be written in a particular programming language. For compiled languages, syntax errors are detected at compile time. A program will not compile until all syntax errors are corrected.

Question : 4

A daisy wheel is a type of...?

a) None of these

b) Storage device

c) Pointing device

d) All of the above

e) Printer

Answer: (e)

What is a daisy wheel in the computer?

Daisy wheel printing is an impact printing technology invented in 1970 by Andrew Gabor at Diablo Data Systems. It uses interchangeable pre-formed type elements, each with typically 96 glyphs, to generate high-quality output comparable to premium typewriters such as the IBM Selectric, but two to three times faster.

Question : 5 [IBPS PO, 2012]

A device for changing the connection on a connector to a different configuration is-

a) a converter

b) a component

c) an attachment

d) an adapter

e) Voltmeter

Answer: (d)

A device for changing the connection on a connector to a different configuration is an adapter.


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