GTU First Year Engineering (Semester 2)
Computer Programming & Utilization
January 2014
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Draw block diagram of a Computer. Explain the function of each block.
7 M
1 (b) Explain various symbols used in a flowchart. Draw a flowchart to read 10 integers and find and print the sum of these integers.
7 M

2 (a) Explain: Software, Hardware, Higher level Language and Compiler.
7 M
2 (b) State the important features of C language. Also, explain the basic structure of a C program.
7 M
2 (c) Write a program in C for finding sum of 1 to k. The number k should be read from the keyboard using scanf().
7 M

3 (a) Explain arithmetic, relational and logical operators used in C Language.
7 M
3 (b) Write C program to find and print prime numbers between the numbers 1 to n, where the number n should be read from the keyboard.
7 M
3 (c) Compare while loop and for loop with illustrations.
7 M
3 (d) A and B are two n X n matrices. Write a C program to read both A and B matrices, add them and print the resultant C matrix. The maximum value n may be taken as 9.
7 M

4 (a) Describe following string functions in C-Language.
(1) strcpy( )
(2) strcat( )
(3) strcmp()
7 M
4 (b) Write a program to that read two strings and concatenate them using appropriate string function and print the resulting string.
7 M

5 (a) What are advantages of user defined functions?
Explain in this context with examples (i) function prototype (ii) call by value
7 M
5 (b) Write a C program to find factorial of n using recursive use of functions.
7 M

6 (a) What is a structure in C? Write a program which declares a structure named student with roll_no, name, address and marks[5]. The structural element marks should be an array to store marks in each of the five subjects. The program then should read and print data for n student using proper format.
7 M
6 (b) What are pointers in C? Give their benefits. Write a program to read integer numbers in an m[10] array, and print the elements of this array using pointers.
7 M

7 (a) Explain showing proper syntax, following file operations: fprintf() (ii) fscanf() (iii) putc() (iv) getc()
7 M
7 (b) Writ a program to read merit marks of 100 students from keyboard in an m[100] array, and store this m array on DATA file, and to read these marks from the DATA file and display them on the monitor.
7 M



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