Computer is a programmable machine that can store,retrieve and process data. It serves as a toll to improve efficiency of any operation to be performed, It is made up of digital electronics. It understands only one language, called binary language, Binary language is a language of 0's and 1's. Data in a computer can be represented of pulse represents 0 and presence of pulse represents 1. These two numbers combined in different sequences. carry all the information a computer needs-decimal numbers. letters. even full-color images.
The number systems used for representing these electronic pulses can be placed under two categories:
- Positional number systems
- Non-positional number systems.
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