WHAT IS ARITHMETIC OPERATOR

OPERATOR
Operators are the symbols that are used to perform certain operation on data. C provides a variety of operators. Different types of operators in C are as follows:

• Arithmetic Operators
• Relational Operators
• Logical Operators
• Assignment Operators
• Increment and Decrement Operators
• Compound Assignment Operators

Keyboard:

KEYBOARD
Keyboard is a device that converts letters, numbers, and other characters into electrical signals that are machine readable by the computer processor. The keyboard may look like a type writer keyboard to which some special keys have been added. Keyboard has 3 categories.
1. Alphabet keys (A,B,C..Z, a,b,c.....z)
2. Numeric Keys (1,2,3,4,5....10)
3. Special Keys (F1,F2,.....F12, Alt, Ctrl, Shift, Tab, Capslock, enter...etc).
The standard keyboard has 101 buttons on it and now there are 104,106,110 keyboards are available in the market.