Answer the following questions

1. What is structured programming language?
   A programming technique that divides a program into different small functional modules is called structured programming language.

2. What is C programming language? List any four data types used in C programming.
   C is a high-level structured programming language used for developing system programs developed by Dennis Ritchie in Bell’s Laboratory.
   Data types used in C are:
   i. Int
   ii. Char
   iii. Float
   iv. Double

3. List out any two features of C programming language.
   Following are the features of C programming language:
   i. It supports graphics.
   ii. It is a structured programming language.
   iii. It is a case sensitive language.

4. What is data type identifier? List the data type identifiers used in C language.
   Identifiers are the name given to the entities like variables, functions arrays etc.

5. What will be the value of ‘y’ in the given expression y = 64 % 5?
   The value of ‘y’ in the given expression y=64%5 is 4.

6. How many keywords are there in C Language? Write any two keywords used in C language.
   There are 32 keywords in C language. Example includes: int, float, char, double, else, break, continue etc.

7. Why C is called middle level language?
   C is called a middle level language because it supports features of both low-level language and high-level language. It can be used for both system programming and application development.