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Single Instruction and Single Data stream (SISD)
In this organisation, sequential implementation of instructions is executed by one CPU having a single processing element (PE), i.e., ALU beneath one control unit as given away in figure 4. Therefore, SISD machines are conventional serial computers that procedure only one stream of data and one stream of instructions. This type of computer organisation is depicted in the figure:
Is = Ds = 1
Some Examples of SISD machines contains:
Program: This program compares a pair of characters entered by keyboard. ; Registers used: AX, BX, CX, DX DATA SEGMENT XX DB?
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