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Bits Computers are constructed of electronic circuits. Through these circuits there can be two states - electricity can be flowing or not flowing. When a pulse of electricity is present we call this a '1' and the absence of electricity is a '0'. The transistors on silicon chips can store a 'bit' (binary digit) which is either the 0 or the 1. Bytes A byte is a unit of memory in the computer. It is made up of eight bits. In other words, a byte can store eight 0s or 1s. Each character from the keyboard is given a code consisting of eight bits. These codes are the same internationally and are called the ASCII code (American standard code for information interchange). The code for the letter 'a' is 97 or 01100001. Each character, therefore, is held in one byte of memory. One byte is a very small amount of storage and it...

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