Glossary of Terms

Binary & Denary Prefixes

Keyword Definition
Binary A system of numerical notation using 2 instead of 10 as a base, with each place value written as a power of 2.
Binary Code A coding system that uses the binary digits 0 and 1 to represent a letter, digit, or other character in a computer or other electronic device.
Binary Conversion The process of converting a number from denary to binary notation.
Binary Prefix A prefix used to represent a specific number of bytes in computing, with the base being 2.
Binary Search A search algorithm that works by repeatedly dividing the search interval in half.
Bit The smallest unit of information in computing, represented by either a 0 or a 1.
Byte A unit of digital information consisting of 8 bits.
Denary A system of numerical notation using 10 as a base, with each place value written as a power of 10.
Denary Conversion The process of converting a number from binary to denary notation.
Denary Prefix A prefix used to represent a specific number of bytes in computing, with the base being 10.
Gibibyte A unit of digital information equal to 1,073,741,824 bytes, or 2^30 bytes.
Kibibyte A unit of digital information equal to 1,024 bytes, or 2^10 bytes.
Mebibyte A unit of digital information equal to 1,048,576 bytes, or 2^20 bytes.
Megabits A unit of data transfer rate equal to one million bits per second.
Megabytes A unit of digital information storage or transmission equal to one million bytes.
Prefix A group of letters added at the beginning of a word to change its meaning.