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A binary number is a number expressed in the base-2 numeral system, using only two symbols: 0 and 1. Learn about the origins and applications of binary numbers in various cultures and fields, from ancient Egypt and China to modern computers and cryptography.
Hexadecimal is a positional numeral system that uses sixteen symbols, usually "0"–"9" and "A"–"F", to represent numbers. It is widely used in computing and mathematics to represent binary-coded values or large decimal numbers.
Learn how computers represent numeric values in binary, octal and hexadecimal systems. Find out the definitions and examples of bits, bytes, nibbles and other terms related to computer number formats.
Intel HEX is a text-based format that conveys binary data in hexadecimal form, used for programming microcontrollers, EPROMs, and other devices. Learn about its history, structure, record types, and checksum calculation.
Learn how to represent signed integers using two's complement, a common method on computers and fixed point binary values. See the procedure, theory, examples and tables of two's complement for different bit lengths.
A hex editor is a program that allows manipulation of the binary data of a computer file. Learn about its history, screenshot, template system, scripting system, and comparison with other editors.
SREC is a file format for conveying binary information as hex values in ASCII text form. It is commonly used for programming flash memory in microcontrollers and other devices. S19 is one of the variants of SREC, with 16-bit address and data fields.
Sign extension is the operation of increasing the number of bits of a binary number while preserving the sign and value. Learn how sign extension works for different signed number representations and how it differs from zero extension.