The keyboard is the most frequent and widely used input device for entering data into a computer. Although there are some additional keys for performing other operations, the keyboard layout is similar to that of a typical typewriter.
Generally, keyboards come in two sizes: 84 keys or 101/102 keys but currently keyboards with 104 keys or 108 keys are also available for Windows and the Internet.
Keyboard
Types of Keys
- Numeric Keys: It is used to enter numeric data or move the cursor. It usually consists of a set of 17 keys.
- Typing Keys: The letter keys (A-Z) and number keys (09) are among these keys.
- Control Keys: These keys control the pointer and the screen. There are four directional arrow keys on it. Home, End, Insert, Alternate(Alt), Delete, Control(Ctrl), etc., and Escape are all control keys (Esc).
- Special Keys: Enter, Shift, Caps Lock, NumLk, Tab, etc., and Print Screen are among the special function keys on the keyboard.
- Function Keys: The 12 keys from F1 to F12 are on the topmost row of the keyboard.