Programming in C, Constant, Numeric, Character, String.
Question 1: Explain what are constant?
Ans: Constant are quantities whose values do not change during program execution.
They may be..
1. Numeric.
2. Character.
3. String.
Numeric constants are of two types, integer and floating point numbers.
Integer constant represent values that are counted, like the number of students in a class. e.g: 7145, 234 etc.
Floating point constants are used to represent values that are measured, like the height of a person which might have a value of 166.75cm etc
Character constant is one of the symbols on c character set . It includes digits 0 to 9, upper cases A to Z and lower cases a to z. etc.
String constant contains a string of characters within double quotes such as “Hello Ahmed” etc.
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