Operating Modes of Pentium Processor

Operating Modes of Pentium Processor: The Pentium processor architecture supports three Operating Modes of Pentium Processor such as protected mode, real-address mode and System Management Mode (SMM) and one 'quasi-operating mode' or virtual-8086 mode. In…

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Architecture of 80486 Microprocessor

Architecture of 80486 Microprocessor: The 80486DX is a 32-bit processor. Figure 11.46 shows the simplified block diagram of 80486 and the inter­nal architecture of 80486 Microprocessor is depicted in Fig. 11.47. The architecture of Intel's…

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Operating Modes of 80386 Microprocessor

Operating Modes of 80386 Microprocessor: The Operating Modes of 80386 Microprocessor are given below: Real addressing mode, Protected mode, and Virtual 386 mode. In this section, the above three modes are explained elaborately. Real addressing…

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