Remember ALU
Full name: Arithmetic Logic Unit
Memory aid: Add, then ask a Logical question: the ALU does both.
It is part of a processor, not the whole CPU.
Study area: Processors & system architecture · Batch 1
Relevant study for: CompTIA A+ Core 1 220-1201 · CompTIA Server+
Practice with exam flashcards →Hardware & Components / Knowledge library
ALU — Arithmetic Logic Unit
Performs arithmetic and logical operations inside a processor.
Why learn ALU — Arithmetic Logic Unit?
Performs arithmetic and logical operations inside a processor.
Where it came from
It is part of a processor, not the whole CPU.
- Memory aid (a learning cue, not the expansion): Add, then ask a Logical question: the ALU does both.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand ALU: Arithmetic Logic Unit.
- Recall this memory aid: Add, then ask a Logical question: the ALU does both.
- Explain the practical use: Performs arithmetic and logical operations inside a processor.
- Explain this distinction: It is part of a processor, not the whole CPU.
- Identify ALU in a device specification, architecture diagram, or system inventory.
Documentation and sources
- Intel processor documentation (www.intel.com)