è The Control Unit (CU) and the Arithmetic Logic Unit (ALU) of a computer system are jointly known as the CPU.
è It is the brain of any computer system.
è All calculations and comparisons are made inside the CPU and the CPU is also responsible for activation and controlling operations of other units of a computer system.
è The major sections of a CPU are
a) Arithmetic and Logic Unit (ALU).
b) Timing and Control Unit.
c) Accumulator, General and Special Purpose Registers.
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