What does ALU stand for in computer architecture?

• A. Arithmetic Logic Unit
• B. Advanced Linear Utility
• C. Analog Logic Unit
• D. Automated Logic Unit

Answer: (A)

In computer architecture, ALU stands for Arithmetic Logic Unit. The ALU is a fundamental building block of the central processing unit (CPU) and is responsible for performing arithmetic operations (such as addition, subtraction, multiplication, and division) and logic operations (such as AND, OR, NOT, and XOR). This allows the CPU to perform calculations and make decisions based on logical operations, which are crucial for executing instructions in a computer program.

The design and functionality of the ALU enable it to handle various types of data processing that are essential for computing tasks. Its integration within the CPU is what allows for efficient and rapid computation, making it a core component of modern computer systems.