Question and Answer

Question and Answer

Q1. What is the difference between a constant and a variable?
A The major difference is that the value of a constant cannot be changed, while the value of a variable can. You can assign different values to a variable whenever it's necessary in your C program.

Q2. Why do you need a statement block?
Ans. Many C keywords can only control one statement. A statement block provides a way to put more than one statement together and put the statement block under the control of a C keyword. Then, the statement block is treated as a single statement.

Q3. Which arithmetic operators have a higher precedence?

Ans. Among the five arithmetic operators, the multiplication, division, and remainder operators have a higher precedence than the addition and subtraction operators.

Q4. How many parts does a function normally have?

Ans. A function normally has six parts: the function type, the function name, the arguments, the opening brace, the function body, and the closing brace.