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Q. Explain about working of Multiplexer?
Multiplexer is one of the fundamental building units of a computer system that in principle permits sharing of a common line by more than one input lines. It associates many input lines to a single output line. At a specific instance one of the input lines is selected and selected input is passed on to output line. The figure 4×1 multiplexer (MUX) is given in figure.
Figure: 4 × 1 Multiplexer
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Which scheduling policy is most suitable for a time-shared operating system? Ans. Round-Robin scheduling policy is most appropriate for a time-shared operating system.
external initiated operations
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#question.write cycle timing diagram for maximum mode of 8086 microprocessor.
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design a gray to bcd code converter using 16:1 de multiplexe
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