Inter view question of C-language

Part-1

1. What is the first computer language?
Ans:Pascal is the first computer language is invented by Nicholas wirth.
2. What is C language ?
Ans: C is a mid level procedural and structure programming language.

3. Why C is known as Mother language?
Ans: C is known as mother language because most of the compilers, kernals and JVM are written in C language.

4. Why c is called a mid level programming language ?
Ans:It supports the feature of both low-level and high-level languages that is why it known as a mid level language.

5. Who is the founder of C language ?
Ans : Dennis Ritchie.

6. When c language was developed ?
Ans: C language was developed in 1972 at bell laboratories of AT & T.

7. what are features of C language
Ans:The main features of c language are:
• Simple
• Portable
• Mid level
• Structured
• Fast Speed
• Memory Management
• Extensible
8. What is the use of printf() and scanf() functions ?
Ans: The printf() function is used for output and scanf() function is used for input.
9. what are different storage class specifiers in C ?
Ans:auto,register,stack,extern.
10. Define Debugging ?
The process of removing a bug from an algorithm is called as debugging.
11. Define algorithm
Ans: Describing the step-by- step procedure is called as algorithm.
12. Define Flowchart?
Ans: Representing the various steps in the form a diagram is called as flowchart.

1. Explain Features of C language?
2. Define Compiler ?
3. Define Interpreter?
4. What is Machine Level Language?
5. What is Low Level Language?
6. What is Middle level language ?
7. Define Data Type ?
8. How many Data types in C?
9. Define Variable?
10. Define Local and Global Variable?
11. What is an Instruction ?
12. How many operators are there in c Language ?
13. What is the pre processor ?
14. How can we include library files in c language?
15. From which statement on wards c program execution begins?
16. How to declare a variable in C?
17. Which statement is used for  print the  values in C?
18. How to read the values from keyboard in c language?
19. What are the trigaph characters ? How are they useful?
20. Define Constant ?
21. What is the significance of declaring a constant unsigned?
22. Describe the characteristics of and purpose of the escape sequence characters?

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