In this article, Today we will Learn What is ASCII code? Why and Where it Used? Ascii uses 7-bit binary code to represent text on a computer. We write on the computer today is written in ASCII. Ascii codes represent text in computers, communication devices, and other devices that use text. The most common text file format used on a computer is Text File Format.

Every computer user can operate a computer by creating a code based on a binary system for digits, letters, and symbols but its code will only apply to programs and commands provided by the same user. It does not allow other computer users to exchange information.

To facilitate the exchange of information, a standard code has been created in the United States of America, now recognized worldwide, known as ASCII.

what is ascii code

For Example: ASCII code of ‘A’ is 65. In this, each digit and letter is represented by 8 bits, only 0 and 1 numbers are written in these 8 places. This computer has a character encoding scheme. Text files that are stored in ASCII format are called ASCII files.

ascii code chart

What is Full Form Of Ascii?

The full name of ASCII is the “American Standard Code for Information Interchange.” ASCII was developed by the “American National Standards Institute” (ANSI).

What are Bit And Byte?

A bit (binary digit) is the smallest unit of data in a computer. It is a binary value, either 0 or 1. And there is a big difference between one byte, 1 byte is much larger than 1 bit – eight times larger each byte contains eight bits. Each letter, number or special symbol pressed with the keyboard is stored in ASCII code in the computer’s memory. Each ASCII code is 8 bytes, thus, to preserve any letter in memory, 8 bits make up 1 byte.

What is a ‘+’ character?

In addition to numbers, it is a sign that is used to describe language and meaning. For example, we see

a b c d e f g h i j k l m n o p q r s t u v w x y z 
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 
0 1 2 3 4 5 6 7 8 9 ! @ # $ % ^ & * ( ) 
_ – = | \ ` , . / ; ‘ [ ] { } : ” < > ?

ASCII contains 256 codes, the standard ASCII code has a value from 0 to 127, while from 128 to 256, the Extended ASCII character is set. Computer systems typically use ASCII code to store characters. Each letter is store 8 bits.


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