A number , can be thought of as a projection , used for example for measuring , be it time or distance , or for countig . A number is a discrete way of measuring , discrete as in … Read More
Tag: c
What is a signed number ?
The question, what is a signed
number, is actually the question, of how to represent negative, zero, and positive integers, in a computer.
An integer is for example, -1
or 1
, or 0
, so in other … Read More
What is an unsigned number ?
Asking what an unsigned
number or integer is, is actually asking, how to represent the non negative integers, such as 0
, or 1
in a computer.
An integer in mathematics, is any number which belong to … Read More
What is an identifier in c ?
What is an identifier ?
An identifier , is used to denote an object type in C
. An object in C
is a region of memory , used for data storage .
int x ; /* x is… Read More
What is a character , wide character , and multibyte character in c ?
Characters
A char
is a region of memory , formed of bits , large enough to hold any character of the basic execution character set . A char is the encoding , of the basic execution character set .
The … Read More
C : source , execution , basic , and extended character sets
There are two character sets in C
. The first one is the source character set , which is the set of characters , in which a C source file , is written .
So the source character set … Read More
History of the c programming language
The Creation of C
The c
programming language was created by Dennis Ritchie in 1971 . It is derived from the B
programming language , created by ken Thompson in 1969 . The B programming language is derived from the … Read More
What is the c exit function ?
The exit
function is part of the c standard library , and is defined in the stdlib.h
header .
The stdlib.h
define some types , macros , and it contains general utility functions , to perform numerical conversion , generate … Read More