4. Addressing Techniques and Control Unit Design
Addressing techniques and control unit design are fundamental in defining how processors execute instructions. Various addressing modes, such as immediate, register, and indirect addressing, enable efficient data location and operand access in programs. Control unit design determines how these instructions are decoded and coordinated within the CPU, highlighting the differences between hardwired and microprogrammed control units.
Sections
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What we have learnt
- Addressing techniques determine how operands are accessed in instructions.
- Control units manage the execution of instructions in CPUs by generating control signals.
- Different control unit designs (hardwired vs microprogrammed) have distinct attributes in terms of speed and flexibility.
Key Concepts
- -- Addressing Techniques
- Methods used by a processor to locate data in memory or registers when executing an instruction.
- -- Control Unit
- The part of the CPU that directs the operation of the processor and coordinates the execution of instructions.
- -- MicroOperations
- Basic operations that occur during the execution of a single instruction in the CPU.
- -- Finite State Machine (FSM)
- A computational model used in the control unit that represents the various states and transitions during instruction execution.
Additional Learning Materials
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