1. The ( ) is the brains of the computer. Also called the Processor. it is made up of the control unit and ALU. Today, the ( )s of almost all computers are contained on a single chip. The ( ), clock and main memory make up a computer. A complete computer system requires the addition of control units, input, output and storage devices and an operating system.

• 1
  CPU

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• 2
  Dead Lock

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• 3
  Protocol

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• 4
  DNS