basics of hardware & software set 1 Detailed Explanation And More Example

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The following question based on basics of hardware & software topic of computer mcq

Questions : 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

The correct answers to the above question in:

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.

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Read more basic hardware software Based Computer Questions and Answers

Question : 1

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 : 2

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.

Question : 3

Which of the following is a secondary memory device?

a) Disk

b) Keyboard

c) ALU

d) All of the above

e) None of these

Answer: (a)

Secondary memory is where programs and data are kept on a long-term basis. Common secondary storage devices are hard disks and floppy disks. The hard disk has enormous storage capacity compared to the main memory.

Question : 4

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)

Notes:

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 : 5

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.

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