Simulation is the imitation of the expression of a real world process or system overtime. Simulation involves the generation of an artificial history of a system and the observation of that artificial history to draw inferences concerning the operating characteristics of the real system.
The Simple-As-Possible (SAP)-1 computer is a very basic model of a microprocessor explained by Albert Paul Malvino. The SAP-1 design contains the basic necessities for a functional Microprocessor. Its primary purpose is to develop a basic understanding of how a microprocessor works, interacts with memory and other parts of the system like input and output. The instruction set is very limited and is simple. The features in SAP-1 computer are: W bus – A single 8 bit bus for address and data transfer. 16 Bytes memory (RAM) Registers are accumulator and B-register each of 8 bits. Program counter – initializes from 0000 to 1111 during program execution. Memory Address Register (MAR) to store memory addresses. Adder/ Subtracter for addition and subtraction instructions. A Control Unit A Simple Output. 6 machine state reserved for each instruction The instruction format of SAP-1 Computer is (XXXX) (XXXX) A Simple animation ...
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