Bus Interface in Microprocessor

Bus Interface in Microprocessor: Bus Interface in Microprocessor - A microcomputer consists of a set of components such as CPU, memory, I/O device and these components communicate with each other…

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8259A Programmable Interrupt Controller

8259A Programmable Interrupt Controller: 8259A Programmable Interrupt Controller - Microprocessor-based system design requires many I/O devices such as keyboards, displays, sensors and other components. These devices should receive servicing in…

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Pin diagram of 80287 co-processor

Pin diagram of 80287 co-processor: The pin diagram of 80287 co-processor is shown in Fig. 7.53 and the function of pins are given below: D15-D0 The D15-D0 is used as…

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8087 Numeric Data Processor

8087 Numeric Data Processor: The 8087 Numeric Data Processor (NDP) is called a high-speed math co-processor. This math co-processor is also known as Numeric Processor Extension (NPX) or Numeric Data…

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Time Delay Loop in Microprocessor

Time Delay Loop in Microprocessor: Microprocessors perform different operations in sequence and one operation at a time. To complete an opera­tion, some time is required. When some time delay is…

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What is Risc Processors?

What is Risc Processors?: What is Risc Processors? - In the previous sections, CISC processors were discussed elaborately. CISC is pronounced sisk, and it stands for Complex Instruction Set Computer.…

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Architecture of Pentium 4 Processor

Architecture of Pentium 4 Processor: The simplified block diagram of internal architecture of Pentium 4 Processor is shown in Fig. 12.60 and the detailed internal architecture of Pentium 4 is…

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Cache Memory in Pentium Processor

Cache Memory in Pentium Processor: Cache Memory in Pentium Processor - Pentium processors operate at very high clock speeds to provide very good performance. But reading and writing memory off-chip…

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