Question

What is keyboard,how many keys are there?​

Answer 1

A keyboard is an input device that is used to enter characters and commands into a computer or other electronic device. It typically consists of a set of keys, each of which corresponds to a specific character, symbol, or function.

The standard keyboard layout for modern computers typically consists of 104 keys, although some specialized keyboards may have fewer or additional keys. These keys can be grouped into several categories:

Alphanumeric keys: These are the standard letter and number keys that make up the bulk of the keyboard.

Function keys: These are the 12 keys at the top of the keyboard (F1 through F12) that perform various system functions in different programs.

Modifier keys: These are the keys that modify the behavior of other keys, such as Shift, Ctrl, Alt, and the Windows or Command key.

Navigation keys: These are the keys used for moving the cursor or selection around the screen, such as the arrow keys, Home, End, Page Up, and Page Down.

Editing keys: These are the keys used for editing text or other content, such as Backspace, Delete, and Enter.

Numeric keypad: This is a set of 17 keys on the right side of the keyboard that can be used for numeric input or as a calculator.

Answer 2

A keyboard is a device used to input data into a computer or other electronic device. It typically consists of a set of keys, buttons, or characters that are used to enter data into the device. The number of keys on a keyboard varies depending on the model, but most standard keyboards have around 104 keys. These include the alphanumeric keys (letters and numbers), as well as special keys such as the Shift and Control keys. There may also be additional keys such as multimedia keys, page navigation keys, and function keys.