A technician breadboards the adder/subtractor of Figure 6-14. During testing, she finds that whenever an addition is
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A technician breadboards the adder/subtractor of Figure 6-14. During testing, she finds that whenever an addition is performed, the result is 1 more than expected, and when a subtraction is performed, the result is 1 less than expected. What is the likely error that the technician made in connecting this circuit?
Figure 6-14
Transcribed Image Text:
Transfer pulse 8 B₂B₂ B₂ B₂ D 12 7 B₂ CLK A3 Im A3 6 D B register 11 5 B₂ CLK A₂ A₂ D 10 B₁ 3 74LS283 A₁ A₁ CLK BoBo 2 D Bo CLK A A₂ ADD SUB 44 45 Col
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Related Book For
Digital Systems Principles And Application
ISBN: 9780134220130
12th Edition
Authors: Ronald Tocci, Neal Widmer, Gregory Moss
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