The Arithmetic Logic Unit (ALU) performs the actual execution of arithmetic and logical instructions. It carries out operations such as addition, subtraction, comparison, and logical operations. The Control Unit directs these operations, while the Memory Unit stores data and instructions.
Actual execution of Instructions occurs in:
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Question context
This question is part of 💻 Computing within the broader 💾 Computer Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.