The correct answer is A. CPU.
A CPU, or central processing unit, is the main processing unit
of a computer. It is responsible for carrying out the instructions of a computer program. The CPU is made up of several components, including the arithmetic logic unit (ALU), the control unit (CU), and the registers.The ALU is responsible for performing arithmetic and logical operations. The CU is responsible for fetching instructions from memory, decoding them, and executing them. The registers are temporary storage locations for data and instructions.
The CPU is the most important component of a computer. It is responsible for carrying out all of the instructions of a computer program. Without a CPU, a computer would not be able to function.
B. ALU is the arithmetic logic unit. It is a part of the CPU that performs arithmetic and logical operations.
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