The binary number system makes use of the two symbols 0 and 1.
Computers use binary codes to store and work with letters, numbers, pictures, and sound.
A binary digit is a 0 or a 1, often called a bit, from bi nary digi t . One unit of data based on the binary number system. A binary digit is a 0 or a 1, often called a bit, from bi nary digi t . CD-ROM A prerecorded, non erasable disc that stores approximately 600 MB of digital data. A vertical section of printed text on a page, or a vertical line of cells in a spreadsheet or table.