What isfunction key

Function keys, also known as F keys, are a set of shortcut keys located at the top of a computer or terminal keyboard, labeled F1 through F12. These keys are programmed to perform certain functions in a software program or the operating system, making computer tasks more efficient.

For example, the F1 key serves as a help key that provides assistance on using a program, while the F5 key is used to refresh a web page in an internet browser. However, the function of these keys may vary depending on the operating system and software program used.

Function keys on a terminal keyboard can generate short fixed strings, while those on a standard computer keyboard can generate a fixed one-byte code that is outside the normal range and translated by the keyboard driver into another configurable sequence.

Overall, function keys are a useful tool that can make using a computer more efficient with quick and easy access to important commands.

FAQ

What is the use of function keys?

Function keys or F keys are programmed to perform certain functions in a software program or the operating system, making computer tasks more efficient such as refreshing a webpage or saving files.

How many function keys are there?

There are 12 function keys on an ordinary PC keyboard, labeled F1 through F12.

Do function keys have the same functions on all keyboards?

The function of these keys may vary depending on the operating system and software program used.

Conclusion

Function keys are a useful tool for making computer tasks more efficient, offering quick and easy access to important commands. With their various functions on different operating systems and software programs, they provide a customizable approach to computing and are an essential part of any keyboard.

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