Discussion
The brain of any computer system is
Answer: D
The brain of a computer is the CPU.
The Central Processing Unit carries out instructions and controls the working of all other parts of the computer, which is why it is called the brain of the system.
The ALU (arithmetic logic unit) and the control unit are parts of the CPU, not the whole of it, and memory only stores data and instructions; it does not process them.
Within the CPU, the control unit directs the flow of data and instructions, while the ALU carries out the arithmetic and logical operations.
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