CDS (Unit-2) Frequently asked questions

1. Write the various steps involved in executing a C program and illustrate with the help of flow chart?
2. What is the difference between break and continue statements ? Explain with examples.
3. What is the purpose of goto statement? How is the associated target statement identified?
4.(a) What are constants?
(b) Name the different data types that C supports and explain them in detail.
5. (a) What is meant by looping? Describe any two different forms of looping with Examples.
(b) Write a program to print the following outputs using for loop.
i) 1
2 3
4 5 6
7 8 9 10

ii)1
2 2
3 3 3
4 4 4 4
6. What are the logical operators used in C and illustrate with examples?
7. Whar is the purpose of switch statement ? How does this statement differ from the other statements?
8. (a) What is an Expression ? What kind of information is represented by an Expression?
(b) What is an Operator? Describe several different types of operators that are included within the C language with an example each?
9. What are the different types of control statements available in C. Explain them with an example.
10. (a) What is the difference between signed integer and unsigned integer in terms of memory and range?
(b) Explain the basic structure of C program?
11. Explain the following and illustrate it with an example?
(a) Increment and Decrement Operator
(b) Conditional Operator
(c) Bitwise Operator
(d) Assignment operator
12. State the rules that are applied while evaluating expression in automatic type conversion?
13. (a) What is a String constant? How do string constants differ from character constants? Do string constants represent numerical values?
(b) Summarize the standard escape sequences in C? Describe them.
(c) What is a variable. How can variables be characterized? Give the rules for
variable declaration.
(d) What is a purpose of type declarations? What are the components of type declaration?
14.Write a program to determine and print the sum of the following harmonic
series for a given value of n: 1+1/2+1/3+1/4+…..+1/n.