Discuss the role of CPU, CU and ALU

Central Processing Unit (CPU):

1. Execution of Instructions: The CPU is often considered the brain of the computer. It fetches, decodes, and executes instructions from the computer's memory. Each instruction is a binary code that represents a specific operation, such as addition, subtraction, or moving data from one location to another.

2. Arithmetic and Logic Operations: The CPU performs arithmetic operations (like addition, subtraction, multiplication, and division) and logic operations (like AND, OR, NOT) through its ALU. These operations are fundamental for executing programs and processing data.

3. Control of Peripherals: The CPU coordinates the functioning of various peripheral devices connected to the computer, such as keyboards, mice, printers, and storage devices. It manages the flow of data between these devices and the computer's memory.

4. Interpreting Program Instructions: The CPU interprets program instructions stored in the computer's memory and executes them sequentially. It determines the order in which instructions are executed and ensures that each instruction is performed accurately and efficiently.

5. Fetching and Storing Data: The CPU retrieves data from the computer's memory, performs operations on it, and then stores the results back in memory. This process involves fetching data from RAM (Random Access Memory), registers, or cache memory, performing calculations, and then writing the results back to the appropriate memory location.

6. Handling Interrupts: The CPU handles interrupts, which ___ _______ ______ _________ _________.
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