cFeed: 2014-15 (ODD SEM)

NCS-101

B.Tech.

(Sem. I) (ODD SEM)

THEORY EXAMINATION, 2014-15

COMPUTER SYSTEM & PROGRAMMING IN C

Time: 3 Hours] [Total marks: 100

1. Attempt any 5. Each question carries 5 marks.

a) What are the classifications of computer? Explain any two in detail.

b) Describe the functionalities of an operating system.

c) Convert the hexadecimal number A9C5.DB4₍₁₆₎ to octal number.

d) Draw a flowchart to find the sum and reverse of a given number.

e) Discuss the various functionalities of compiler, linker and loader.

f) What is storage class? Describe automatic, register, static and external with neat syntax.

2. Attempt any 2. Each question carries 10 marks.

a) Describe about the basic components of computers with a neat block diagram.

b) Explain logical and bit operators with example.

c) Write about the formatted and unformatted Input/Output functions in ‘C’.

3. Attempt any 2. Each question carries 10 marks.

a) Describe about the types of looping statements in ‘C’ with necessary syntax.

b) Write a C program to find the multiplication of two matrices.

c) What are the types of function? Write a C program to find the factorial of a given number using recursion.

4. Attempt any 2. Each question carries 10 marks.

a) How to declare an array? Explain about various operations of an array.

b) What is enumerated data type? Write a C program to display months in the year using enum.

c) Differentiate structure and union in ‘C’. Write a C program to store the student details using union.

5. Attempt any 2. Each question carries 10 marks.

a) State the features of pointers. Write a ‘C’ program to sort a given number using pointers.

b) What is the difference between break and continue in C? Describe the structure of switch-case with neat example.

c) List out various file operations in ‘C’. Write a C program to count the number of characters in a file.

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