12. Computer Organization and Architecture: A Pedagogical Aspect
The chapter explores control signals integral to complete instruction execution within a single bus architecture. It delves into the generation of control signals during instruction fetch, decode, and execute cycles, emphasizing how these signals vary based on instruction types and addressing modes. The unit also covers a detailed examination of key components involved in instruction processing, including registers, the ALU, and the memory architecture.
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What we have learnt
- Control signals are essential for the execution of instructions.
- Different control signals are generated based on the instruction's cycle: fetch, decode, and execute.
- Understanding the single bus architecture is crucial for comprehending micro instruction generation and control signals.
Key Concepts
- -- Control Signals
- The electrical signals that dictate the operations of the various components within the processor during instruction execution.
- -- Single Bus Architecture
- A hardware architecture where multiple components share a common communication channel or bus, primarily used for transferring data and instructions.
- -- Micro Instructions
- Low-level instructions that control the internal operations of the CPU for executing assembly language instructions.
- -- Program Counter (PC)
- A register that holds the address of the next instruction to be executed.
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