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1. Alphanumeric Keys
Comprises of numbers and all alphabets, symbols like @,!,$,%,^,&,*,(,),?,>,< e.t.c. Other keys include Caps lock, Enter key, Tab, Spacebar, Back space.
a) Caps Lock: When on letters typed appear in uppercase and when of letters appear in lowercase.
b) Enter keys: When pressed it forces the cursor to move to the beginning of the next line.
c) Tab keys: Used to move the cursor at set intervals.
d) Back space: Deletes characters to the left from the cursor position.
2. Function keys
They are always located along the top of the keyboard. They are labeled F1, F2 to F12.
3. Cursor Movement and Editing Keys
Cursor Movement Keys
a) Arrow Keys: Used to move the cursor up, down, left and right.
b) Page up and page down keys: Moves the cursor one page up or down.
c) Home and End keys: Pressing Home key moves the cursor to the beginning of the current
line. End key moves the cursor to the end of the current line.
Editing Keys
a) Insert key: It helps the user to insert or replace a character at the cursor position.
b) Delete (Del) key: This key deletes characters at the cursor position from left to right.
4. Special PC Operation Keys
They are rarely used singly but in combination with other keys to give special instructions to the
computer. They include SHIFT, CTRL, ALT and ESC.
5. Numeric Keypad
Consist of a set of numbers 0 to 9 and the arithmetic signs +,-, *, / and are located on the right side of the keyboard.
Kavungya answered the question on March 12, 2019 at 12:27
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