Prog- C 2 Mark Q&A
1. Define the term variable and constant. Variable: A variable is a data name that is used to store a value. A variable may take different values at different times. A variable can be chosen by the programmer in a meaningful way. So as to reflect its function or nature in the program. Eg: city college a1 Total_mark Name Avg Constant: A constant is a value that does not change during the program execution. A constant used in C does not occupy memory. 2. What is an expression in C language? Expression is defined as a combination of operand and operator to obtain some computation. Operands represent variable or values and the operator tells what operation is to be performed. 3. ...