1. work with the electronic systems (electronic machine) A computer is an electronic device to save the data. Process and display the results. Storing information saved via the keyboard or other device. These data will be converted to electrical signals for the computer to understand and can be processed, and when the computer has been successfully processed. The electrical signal data will be reverted to a format that people can understand. 2. to work with high speed (speed) Because the computer is an electronic system, so the operations can be done quickly (more than one command in a billion seconds) 3. reliable accuracy (accuracy and reliability) The computer will work on a human programming or command. If the user enters data, and a set of instructions are valid. The result of the process, it will be accurate, reliable, 4. to store data in large quantities (storage) The computer has a memory function stores the information saved into. The ability to store this information, depending on the size of the computer, such as a micro computer backup storage unit will be able to save more than one million characters of information. 5. data link communication (communication) The computer can communicate with other computers, and can offer a wide range of work, much more than a single computing system. For example, the computer system connected to the Internet to retrieve information from a different computer (remote computer)
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