Data is made up of a series of 0s and 1s that are grouped in unique sequences. Each sequence of 0s and 1s can mean an infinite number of commands to the computers translating them into what you see on your screen.
Data transmitted or stored with digital technology is expressed as a string of zeroes and ones. Each of these state digits is referred to as a bit. A string of bits that a computer can address individually as a group is a byte.
refers to information that is converted to only a few specific values. Because the values are specific, digital data can be transmitted, received and recreated with no loss of content. In contrast to digital data, analog data is always received with noise added into the content. Because of this signal distortion, digital content (CDs, DVDs, HDTV) is usually preferred over analog content (VHS).
Information that is made up of numbers is digital data. Telephone numbers are digital data, so are the percentage scores on your last test. So are digital images from satellites. The opposite of digital is ANALOGUE. (Related words: digitized, analogue)