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Do computers always come with Windows pre-installed?

asked Oct 26, 2017 in Computer Science by naqash (17.9k points)

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1 answer 246 views

Why optical fibre is more useful tool for the communication process?

asked Oct 27, 2017 in Physics by sonia (36.5k points)

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1 answer 376 views

Does a fuse in a circuit control, the potential difference or the current?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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1 answer 380 views

Perhaps you have seen a gasoline truck trailing a metal chain beneath it. What purpose does the chain serve?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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2 answers 154 views

How many font sizes can you apply to the text in HTML documents?

asked Oct 27, 2017 in Computer Science by naqash (17.9k points)

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1 answer 412 views

In your own words, explain why light waves are refracted at a boundary between two materials.

asked Oct 22, 2017 in Physics by sonia (36.5k points)

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1 answer 670 views

What do you understand by the longitudinal waves? Describe the longitudinal nature of sound waves?

asked Oct 16, 2017 in Physics by shamroz (41.5k points)

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1 answer 188 views

What is a virus?

asked Oct 27, 2017 in Computer Science by naqash (17.9k points)

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1 answer 567 views

Describe how image is formed in human eye. Draw ray diagrams to show the formation of images in the normal human eye.

asked Oct 18, 2017 in Physics by shamroz (41.5k points)

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1 answer 221 views

What is meant by data management? Describe its use.

asked Oct 26, 2017 in Physics by sonia (36.5k points)

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1 answer 290 views

What is an analogue signal? Explain.

asked Oct 25, 2017 in Physics by shamroz (41.5k points)

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1 answer 378 views

What is a gold leaf electroscope? Discuss* its working principle with a label diagram.

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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1 answer 512 views

What is a gold leaf electroscope? Discuss* its working principle with a label diagram.

asked Oct 19, 2017 in Physics by sonia (36.5k points)

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1 answer 154 views

What do you know about i-cybie? Write in detail.

asked Oct 27, 2017 in Computer Science by naqash (17.9k points)

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1 answer 191 views

How would you deal a program you do not know the purpose of?

asked Oct 27, 2017 in Computer Science by naqash (17.9k points)

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1 answer 330 views

What is difference between electronic current and conventional current?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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1 answer 194 views

Show that the circuit given as below acts as OR gate.

asked Oct 26, 2017 in Physics by sonia (36.5k points)

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What are the components of information technology? Clearly indicate the function of each component.

asked Oct 26, 2017 in Physics by shamroz (41.5k points)

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1 answer 189 views

What is fax machine? Describe its working.

asked Oct 26, 2017 in Physics by shamroz (41.5k points)

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Which is more reliable floppy disk or a hard disk?

asked Oct 27, 2017 in Physics by sonia (36.5k points)

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