Post Graduate Diploma- Post Graduate Diploma In Computer Applications (PGDCA) 1st Sem PROGRAMMING IN C(Alagappa University, Karaikudi, Tamil Nadu-2011)
Wednesday, 24 July 2013 08:39Jebaprincy
First Semester
Computer Applications
PROGRAMMING IN C
(Non-CBCS—2004 onwards)
Time : 3 Hours Maximum : 100 Marks
Part A (15 × 1 = 15)
Answer all questions.
1. What are the comments used in string ?
2. How will you represent a Bitwise operator XOR ?
3. Define an Unconditional statement.
4. Explain While loop.
5. What is indirection operator ?
6. Define an Array.
7. Strn cat (S1, S2, n). What does the function perform ?
8. How will you declare a function ?
9. What is a pointer ?
10. What is a structure ?
11. What is a Malloc ?
12. What are the advantages of using typdef in a program ?
13. What is a tree ?
14. What are sequential files ?
15. What are command line Arguments ?
Part B (5 × 5 = 25)
Answer all questions.
16. (a) Define Constants. Explain the types with relevant examples.
(Or)
(b) Explain about the following :
(i) Break.
(ii) Continue.
17. (a) How an array name is interpreted ? When it is passed to a function ?
(Or)
(b) Write a program to multiply any two Matrices.
18. (a) What is a stack ? How will you implement it ?
(Or)
(b) How a multi dimensional array defined in terms of a pointer ? Explain
19. (a) Write a factorial program to show the usage of Recursion.
(Or)
(b) Explain binary tree with an example.
20. (a) Write short notes on :
(i) fopen, fclose.
(ii) fread, fwrite.
(Or)
(b) Write about Macros in detail.
Part C (5 × 12 = 60)
Answer all questions.
21. (a) Explain conditional statements with suitable examples.
(Or)
(b) What are Bitwise operators ? How are they used ?
22. (a) What are multidimensional arrays ? Explain with an example.
(Or)
(b) Explain the string functions in detail.
23. (a) Distinguish between Structures and Unions.
(Or)
(b) Define List. Write a program to implement list.
24. (a) Explain Recursive Algorithms in detail.
(Or)
(b) Describe tree traversal Algorithm with an example.
25. (a) Write a C program to store text in a file and find the vowels present in the text.
(Or)
(b) Write a C program to implement Macros.
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