## What is Alphanumeric Codes? – ASCII code, EBCDIC Code

What is Alphanumeric Codes? - ASCII code, EBCDIC Code: In order to communicate, we need not only numbers but also letters of alphabet, punctuation marks and other special characters. These codes are called alphanumeric codes.…

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## What is Gray code? (Definition, Conversions & Examples)

What is Gray code? (Definition, Conversions & Examples): This Gray code belongs to a class of codes called minimum-change code, in which only one bit in the code group changes when going from one step…

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## What is Excess-3 Code? (Definition and Examples)

What is Excess-3 Code? (Definition and Examples) The excess-3 code, abbreviated as XS-3, is an important 4-bit code sometimes used with binary-coded decimal (BCD) numbers. It possesses advantages in certain arithmetic operations. The excess-3 code…

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## What is Binary Coded Decimal (BCD) Code?

What is Binary Coded Decimal (BCD) Code?: The 8-4-2-1 code or simply the Binary Coded Decimal code is composed of four bits representing the decimal digits 0 through 9, 8, 4, 2 and 1 are…

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## Hexadecimal Number System (Definition, Conversions & Examples)

Hexadecimal Number System (Definition, Conversions & Examples): The binary number system forms the natural choice for the two-state systems. But in this system, the numbers tend to get short rather long. Hence to reduce the…

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## Octal Number System (Definition, Conversions & Examples)

Octal Number System (Definition, Conversions & Examples): The number system with base (or radix) eight is known as the octal number system. Although we can use any eight digits, it is customary to use the…

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## What is a Floating Point Number?

What is a Floating Point Number? The real numbers considered so far were represented in what is known as fixed point notation. In such notation, the position of the decimal is fixed for a fixed…

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## What is Double Precision System?

What is Double Precision System? For any computer, the word length is fixed. Most present day computers are 16 bit and in a 16 bit computer, that is, in a computer with 16-bit word length,…

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## Signed Binary Numbers (Definition, Conversions & Examples)

Signed Binary Numbers (Definition, Conversions & Examples): In the decimal number system, a plus (+) sign is used for denoting a positive number and a minus (-) sign for denoting a negative number. The plus…

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## Binary Number System (Definition, Conversions & Examples)

Binary Number System (Definition, Conversions & Examples): The binary number system is simply another way to count. It is less complicated than the decimal number system because it is composed of only two digits 0…

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