You are here:   HomeComputer FundamentalNumber SystemWhat is EBCDIC(Extended Binary Coded Decimal Inter change code)?
by Dinesh Thakur Category: Number System

ASCII : ASCII codes represent text in computers, communications equipment, and other devices that work with text. ASCII, pronounced "ask-ee" is the acronym for American Standard Code for Information Interchange. It's a set of characters which, unlike the characters in word processing documents, allow no special formatting like different fonts, bold, underlined or italic text. ASCII is computer code for the interchange of information between terminals.



 
by Dinesh Thakur Category: Number System

Meaning of BCD – "Binary Coded Decimal", is a method that use binary digits 0 which represent “off” and 1 which represent “on”. BCD has been in use since the first UNIVAC computer. Each digit is called a bit. Four bits are called a nibble and is used to represent each decimal digit (0 through 9).



 
by Dinesh Thakur Category: Number System

EBCDIC(pronounced "ebb see dick") is short for extended binary coded decimal interchange code is eight bits, or one byte, wide. This is a coding system used to represent characters-letters, numerals, punctuation marks, and other symbols in computerized text. A character is represented in EBCDIC by eight bit. EBCDIC mainly used on IBM mainframe and IBM midrange computer operating systems. Each byte consists of two nibbles, each four bits wide. The first four bits define the class of character, while the second nibble defines the specific character inside that class.



 
by Dinesh Thakur Category: Number System

Hexadecimal is a number system in base 16. It utilizes the numbers o through 9 and the letters A through F. The hex system is convenient to use in programming because it is compatible with the binary system and is easier to read and more compact. Two hexadecimal numbers can represent one byte. For example, 2B7D equals 0010 1011 0111 1101 in binary.


Convert 10110111.12  to hexadecimal:

 
by Dinesh Thakur Category: Number System

BINARY TO OCTAL CONVERSION
Convert 10110111.12  to octal:

 
by Dinesh Thakur Category: Number System

       Bicycle = 2 wheels.

       Biplane = 2 wings

       Binoculars = 2 eyepieces

 
by Dinesh Thakur Category: Number System

ASCII Stands for American Standard Code for Information Interchange (pronounced 'as-key').  This is a standard set of characters understood by all computers, consisting mostly of letters and numbers plus a few basic symbols such as $ and %. Which employs the 128 possible 7-bit integers to encode the 52 uppercase and lowercase letters and 10 numeric digits of the Roman alphabet, plus punctuation characters and some other symbols. The fact that almost everyone agrees on ASCII makes it relatively easy to exchange information between different programs, different operating systems, and even different computers.



 
by Dinesh Thakur Category: Number System

The binary system is a method for working with numbers based on only two digits: 1 and 0 (binary is also known as "base two"). Binary numbers are the basis for computer storage. Input into the computer is changed into binary numbers that the computer can store and manipulate. A binary numbering system uses a series of 1's and 0's to represent any number. Non-numbers (such as the letter D) or characters (such as a question mark) are assigned an eight digit binary number so that they too can be represented within the computer.



 
by Dinesh Thakur Category: Number System

Bit is short for Binary digit. A bit is a single digit, either a 1 or a 0, and it is the fundamental unit of information in computing, communications and physics. Binary numbers (bits) are stored within a computer's microchips by turning an electrical current "on" or "off"; a 1 is represented by an "on" or high voltage current, and a 0 is represented by an "off" or low current.



 
by Dinesh Thakur Category: Number System

A byte is a group of eight bits. Bit, short for Binary digit,which can represent any number in the range 00000000 To 11111111 Binary, or 0 To 255 Decimal. From the early days of digital computing, it is the basic unit of information within a computer, equal to a 1 or a 0. It is used to measure both memory size (Kilobytes, Megabytes) and data transfer speed (Kilobytes per second). Eight individual electronic on/off signals, strung together to make a message that the computer can interpret. Bits are stored within the computer's microchips and are led by control the flow of electrical currents; a 1 is represented by an "on" or high voltage electrical current, and a 0 is represented by an "off" or low current. A byte is formed by combining eight bits together to store the equivalent of one character. For example, the letter A (a single byte) is made up of the eight bits 01000001.



 

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About Dinesh Thakur

Dinesh ThakurDinesh Thakur holds an B.SC (Computer Science), MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular Computer Notes blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to contact us.



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