Define the following key term:

i. Source program

ii. Object program

iii. Executable program

iv. Syntax error

v. Linker error

vi. Execution/Run-time error

Describe the general form of a simple C program that includes at least directives, functions and statements.

Using an appropriate flow chart, explain step by step process of creating and running a C program.

Why C is often called a Middle-Level language? What do you understand by C tokens? Justify the necessity of using header files in C programs.

Body Mass Index (BMI) is a measure of health on weight. It can be calculated by taking your weight in kilograms and dividing by the square of your height in meters. Write a program that prompts the user to enter a weight in pounds and height in inches and display the BMI. Note that one pound is 0.45359237 kilograms and one inch is 0.0254 meters.

Explain different types of IF statements used in C using appropriate statements and flow charts.

Suppose a man (say, A) stands at (0, 0) and waits for user to give him the direction and distance to go. User may enter N E W S for north, east, west, south, and any value for distance. When user enters 0 as direction, stop and print out the location where the man stopped.

When is it better to use switch statement in a C program? Using switch statement, write a C program to calculate your grade of any course.

Write a C program to display a Pyramid of stars of any height.

Define array in C. What are the differences between while and do....while statements?

What are different advantages of modular programming approach? Mention important characteristics of modular programming.

Explain different types of functions with an example of each.

Define a structure named Student which enclosed with data fields name, batch, id, incourse1 and incourse2. From keyboard, take input name, batch, id and marks of incourse1 and incourse2 for three students of Student type. Calculate total marks of incourse1 and incourse2 for each student. Print out the details of the student who got the lowest total incourse marks among three students.

What are the benefits of using Pointers in a program? Mention important rules of pointer operations.

Using function, write a C program to find the largest value among three values which are passed as arguments using the call by reference method.

Why do we use file in C programming? What are different modes to open a FILE? Explain.

Mention and explain the purposes of any 10 (ten) commonly used C file-system functions.

Write a C program to append additional items to an existing file, "Inventory", stored in "d" drive and print the total contents of the file.