Computer Systems: A Programmer's Perspective (3rd Edition)
Computer Systems: A Programmer's Perspective (3rd Edition)
3rd Edition
ISBN: 9780134092669
Author: Bryant, Randal E. Bryant, David R. O'Hallaron, David R., Randal E.; O'Hallaron, Bryant/O'hallaron
Publisher: PEARSON
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Chapter 4.2, Problem 4.12PP
Program Plan Intro

Combinational circuits and HCL expressions:

  • The computational blocks are been constructed by assembling several logic gates into network.
  • The restrictions are been shown below:
    • Each of input for logic gate should be associated to any one shown below:
      • One of system inputs, that is identified as primary inputs.
      • Output connection for some element in memory.
      • Output of some logic gate.
    • Outputs obtained from more than two logic gates could not be linked together.
      • The wire would be driven to different voltages.
      • It can cause malfunction in circuit.
    • The network should not contain cycles.
      • The loops in circuit can cause ambiguity in function computed by network.
  • The “HCL” denotes a hardware control language that is used for describing control logic of different processor designs.

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Computer Systems: A Programmer's Perspective (3rd Edition)

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