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1. It is a robust language with rich set of built-in functions and operators that can be used to write any complex program.

2. The C compiler combines the capabilities of an assembly language with features of a high-level language.

3. Programs Written in C are efficient and fast. This is due to its variety of data type and powerful operators.

4. It is many time faster than BASIC.

5. C is highly portable this means that programs once written can be run on another machines with little or no modification.

6. Another important feature of C program, is its ability to extend itself.

7. A C program is basically a collection of functions that are supported by C library. We can also create our own function and add it to C library.

8. C language is the most widely used language in operating systems and embedded system development today.

An algorithm is a procedure or formula for solving a problem, based on conductiong a sequence of specified actions

Pseudocode is an informal way of programming description that does not require any strict programming language syntax or underlying technology considerations. It is used for creating an outline or a rough draft of a program. Pseudocode summarizes a program's flow, but excludes underlying details.