VTU Notes | 18EC35 | COMPUTER ORGANIZATION AND ARCHITECTURE

VTU 18EC35 Module-5 | Basic Processing Unit

Module-5

4.9
2018 Scheme | ECE Department

Created by VtuNotes.in
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5 Modules

18EC35 | COMPUTER ORGANIZATION AND ARCHITECTURE | Module-5 VTU Notes

Summary:

In the realm of computer architecture and design, understanding the Basic Processing Unit (BPU) is essential. This concept encompasses several fundamental ideas, including the Execution of a Complete Instruction, Multiple Bus Organization, Hardwired Control, and Microprogrammed Control.

1. Execution of a Complete Instruction:

The heart of any computing device lies in its ability to execute instructions. In the BPU, this involves fetching, decoding, executing, and storing results of instructions. The process must be seamless and precise, and this concept ensures that every instruction is processed from start to finish.

2. Multiple Bus Organization:

Efficient data transfer within a computer is crucial for performance. The Multiple Bus Organization concept refers to the use of different buses for various data types (e.g., data bus, address bus, control bus) to optimize data flow and minimize bottlenecks.

3. Hardwired Control:

In the BPU, control signals are responsible for coordinating different parts of the processor to execute instructions. Hardwired control involves designing the control logic using physical circuits, ensuring that each instruction is executed correctly and efficiently.

4. Microprogrammed Control:

In contrast to hardwired control, Microprogrammed Control utilizes microcode, a set of lower-level instructions stored in memory, to control the execution of higher-level instructions. This approach allows for more flexibility in altering the processor's behavior and simplifying complex operations.

Understanding these fundamental concepts is essential for computer architects and designers to create efficient and effective processing units. They form the basis for building advanced computer systems that can execute a wide range of tasks accurately and quickly.

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