The "worker bee." It handles all mathematical operations (addition, subtraction, bitwise shifts) and logical comparisons (AND, OR, NOT).
As physical limits of silicon are reached, architecture is moving toward specialization: Computer Architecture
Computer architecture is not a static set of textbooks from the 1980s. It is a living, breathing discipline that stands at the intersection of physics, logic, and economics. Every time you see a specification like "3.5 GHz, 10-core, 20MB L3 cache, 7nm process," you are seeing the result of billions of dollars of architectural trade-offs. The "worker bee
Understanding where we are going requires knowing where we came from. The evolution of Computer Architecture is a tale of relentless miniaturization and increasing abstraction. Every time you see a specification like "3
: Optimize for the most frequent operations.
But here’s the secret of computer architecture: The CPU could have added 1 to 'A' in one billionth of a second. But waiting for the Hard Disk? That took 10 million times longer. That’s why architects build pipelines (doing multiple steps at once), multiple cores (factories working in parallel), and branch predictors (guessing which way the instruction will jump next).
Multiple Instructions, Multiple Data (modern multi-core processors). ScienceDirect.com The Role of Computer Architecture