★ Must-know
Further detail
📌 General-purpose registers handle data at high speed through the internal data bus, whereas address registers or pointers are connected to the address bus.
UCT: control unit, processing unit, registers linked by buses
1. What is the primary role of a microprocessor in a computer system?
2. Which set of components represents the basic architecture of a microprocessor?
3. How does the control unit handle an instruction during processor operation?
What is a microprocessor?
A complex integrated circuit that interprets and executes program instructions.
What components does basic microprocessor architecture include?
Control unit, processing unit, registers, and internal buses.
What are the main steps performed by the control unit?
It fetches, decodes, executes instructions, and prepares the next one.
What operations does the arithmetic and logic unit perform?
It performs logical and arithmetic operations like AND, OR, addition, and subtraction.
Microprocessor Basic Architecture
Includes control unit, processing unit, registers, buses.
Program Counter Role
Stores address of next instruction to execute.
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