123 questions and answers in this section
Explain why some files are unrecoverable after being deleted from the trash?

Explain why some files are unrecoverable after being deleted from the trash?

When a file is deleted, the operating system removes its entry from the file system, thereby erasing the pointer that indicates its physical location on...

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Explain why do data centers pollute?

Explain why do data centers pollute?

Data centers require a considerable amount of electrical power to operate efficiently. This high energy demand is due to the need to keep thousands of...

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Explain why some USB cables bend easily while others do not?

Explain why some USB cables bend easily while others do not?

The quality of manufacturing of USB cables is a key factor in their durability and resistance to twisting. Cables of poor quality are generally made...

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Explain why the venom of the praying mantis is so powerful?

Explain why the venom of the praying mantis is so powerful?

The venom of the praying mantis is composed of a complex mixture of proteins, enzymes, and peptides. Among the main components of the venom are...

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Explain why the symbol @ is used in computer science to designate an email address.

Explain why the symbol "@" is used in computer science to designate an email address.

The symbol "@" is also known as the at sign. Several theories have been put forward to explain the origin of this symbol widely used...

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Explain why our touch screens respond to our fingers?

Explain why our touch screens respond to our fingers?

Touch screens are electronic devices that allow users to interact directly with the graphical interface by touching the screen. These screens work by detecting and...

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Explain why a fan creates wind?

Explain why a fan creates wind?

When a fan is running, the blades spin rapidly, pushing the air in front of them. Since air is a fluid, it moves easily and...

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Explain why does heat affect computer performance?

Explain why does heat affect computer performance?

Heat affects electronic components by causing an increase in their internal temperature. This rise in temperature can lead to several harmful effects on the components, such as...

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Explain why it is better to shut down a computer rather than leave it in sleep mode for an extended period of time?

Explain why it is better to shut down a computer rather than leave it in sleep mode for an extended period of time?

The hibernation mode of computers results in a continuous energy consumption to keep the components ready to be instantly activated. Even if the computer is...

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Explain why computer screens are rectangular and not round?

Explain why computer screens are rectangular and not round?

Since the invention of the first electronic display devices in the 1950s, most computer screens have adopted the rectangular shape that we know today. This...

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