A27:
(i)
Program: A program is a set of instructions for a
computer to follow which is saved in a file.
(ii)
main: It is a C keyword and main function of C program. Every C
program always start with main function.
(iii)
Header file: It is a file that contains declarations,
prototypes, and definitions of functions, variables, constants that can be used
in one or more source code files.
(iv)
Compiler: It sums
the whole program at a time and trends out error if any. Compiler converts
whole source code into object code at a time.
(v)
Token: It is
the smallest unit of a programming language's syntax. It represents individual
elements such as keywords, identifiers, operators, constants, and punctuation
symbols, used by the compiler.
(vi) Keyword: Keywords
are the predefine and preserved words in C and each of which is associated with
specific feature and meaning to the compiler. There are 32 keywords in C
language.
(vii)
Variable: A variable represents a named storage
location in a computer's memory. Variables are used to store and manipulate data
during the execution of a program.
