Function: A function is a named unit of a group of statements that can be invoked from other parts of the program. The advantages of using functions are:

• Functions enable us to break a program down into a number of smaller and smaller and simpler units. This makes the program more organized and structured and easier to debug.

CBSE Class XI Computer Science Functions. Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per NCERT and CBSE pattern will help the student to understand the chapter and score better marks in the examinations.

Computer Fundamentals

Objective:

• To impart in-depth knowledge of computer related basic terminologies.

• To inculcate the skills of implementation of basic theory in troubleshooting the software & hardware problems.

What is Computer?

PROGRAMMING METHODOLOGY

Stylistic Guidelines:

Writing good program is a skill. This can be developed by using the following guidelines .

Introduction to C++

C++ CHARACTER SET

Character set is asset of valid characters that a language can recognize . A character can represents any letter, digit, or any other sign . Following are some of the C++

character set.

LETTERS                                 A to Z and a to z

DIGITS                                       0 -9

SPECIAL SYMBOLS            + -* ^ \ [] {} = != < > . ‗ ‗ ; : & #