COIS 1010H Lecture 10: Computer Storage and Arithmetic

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Cois 1010h - lecture 10: computer storage and. A computer can be logically considered to be a large collection of switches - much like a light switch: turned on and off to pass and process information. How many signals can we send with a light switch: two - it"s on or off, we"re going to consider that if the switch is on, it"s a 1, if it"s off it"s a 0. So everything that the cpu sees comes as a stream of switch outputs that are either on or. Off (that we are going to consider to be 1"s or. Bit: the smallest unit of data that a binary computer can recognize (a single 1 or 0). Byte terminology used to express the size of documents and other les, programs, etc. Pre xes are often used to express larger quantities of bytes: kilobyte (kb), megabyte (mb), gigabyte (gb), etc.

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