Programming Language 2015 - BCIS (PU) Old Question

3 years ago

C Programming

Programme: BCIS

Course: Programming Language(New)

Year : 2015

Candidates are required to give their answers in their own words as far as practicable.

Section "A"

Very Short Answer Questions

Attempt all the questions.

1. What is Programming Language?

2. What are header files? Why are they important?

3. Define identifier and write the rules for naming identifier.

4. What a difference between variable and constant?

5. Write a syntax for do-while loop.

6. What does FILE *fp means?

7. What is function prototype?

8. Explain about pre-processor directive?

9. Differentiate between the operator % and /.

10. Debug the errors of the given program.

Voidmain()

         {

            int v=10; *p;

            p=v

            printf(%d,*p);

            getch()

       }

Section "B"

Descriptive Answer Questions

Attempt any six questions

11. What is system development life cycle? Explain the phases of SDLC.

12. Draw the block diagram of digital computer and explain its components.

13. What is algorithm and flowchart? Develop an algorithm and draw flowchart for finding the sum of the series 1+2+3+….upto N terms.

14. Differentiate between array and structure. Also differentiate between union and structure with suitable example.

15. Define pointer. Write the use of pointer. Write a program to read name of 10 employees. Sort them in ascending order and display using pointer.

16. Write a program to read n integer data in an array. Reverse the array and display.

17. Define operator. Why operators are used in C. Explain about different types of operators.

Section "C"

Case Analysis

18. Suppose, there are 50 employee in Pokhara University. You need software to manage the information related to each employee. The software should have the following facilities:

Add new records to the file

Displaying a list of all records from the file.
Searching the required records from the file
Exit.
1. Develop software which can manage the information related to each employee.
2. What other modules do you suggest to be included in the software to manage information more effectively and also to enhance the performance of the organization?

22. Write C program to accept the details of employee and display them using structure. Details consist of Employee ID, Name, Designation, Department, Salary

26. Write the C expression for the following: i) A = 5𝑥+3𝑦/𝑎+𝑏 ii) C = e^|𝑥+𝑦−10| iii) D = e√𝑥+e√𝑦 / 𝑥𝑠i𝑛√𝑦 iv) B = √𝑠(𝑠 − 𝑎)(𝑠 − 𝑏)(𝑠 − 𝑐) v) E = 𝑥^25 + 𝑦^35 Vi) X = −b + √𝑏2−4𝑎𝑐 / 2𝑎

34. What is the value of X in the following code segments? Justify your answers. i) int a,b; float x; a=4; b=5; ii) int a,b; float x; a=4; b=5; x = (float) b/a;x=b/a;

48. What is flowchart? List and define the purpose of symbols used to represent flowchart. Give an example for flowchart.

66. The % symbol has a special use in a printf statement. How would you place this character as part of the output on the screen?

117. What could possibly be the problem if a valid function name such as tolower() is being reported by the C compiler as undefined?

147. Some coders debug their programs by placing comment symbols on some codes instead of deleting it. How does this aid in debugging?

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