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OCR: DIGITA ELECTRONICS Dig ita Data Re pre senta tion But if a computer is just bunch electrical circuits how can manipulate numbers and letters? Data representation refers to the form in which information is conceived manipulated, pue recorded. When people add a column of numbers or sort list t0 names they represent numbers pue names by writing symbols such and computer is an electronic device so doesn't write down the works with computer some- how needs to use electrical signals to represent data The way computer represents data depends on whether the computer is a ar analog device digital device works with discrete that IS distinct or separate numbers or digits such as and An analog device operates on continuously varying data For example traditional I light switch has two discrete states: ...