Quick overview of C to answer in Interview

C is a basic knowledge that every person who wish to join in IT industries. C is not something which we cant understand it is easy to understand by every person. First thing you need to know about C is what are things available in C. Let us start with the overview of C

Data types: This thing is used to specify what kind of data we are going to use to the computer.
Variables: Variables is used to hold the data.
Operators: In maths we are using various operators. These operators are used here to manipulate the data
Conditonal statements: In real life we will be subjected to answer yes or no in certain situations. Same way these conditional statements will help the computer to answer to the situation they face.
Loop Statements: In real life we used to repeat certain activities. Same way the computer use these statements to repeat a task.
Array: People used to collect Stamps, coins. Same way array is used collect similar data items.
Union & Structure: It is a collection of different data items.
Pointer: This is a advanced concept and most important concept in C. We used to collect address of people to visit them. Same way pointer is used to collect the address of variables.
Files: It is used to store the input and output of the program.
If we are thorough in these concept we can answer it in the interview. We can see in detail in successive posts.
Ask your doubts in the comment section.