Assignment: Digital Circuits and Systems
1. When a HIGH is on the output of the decoding circuit below, what is the binary code appearing on the inputs?
2. A 7-segment decoder/driver drives the display below. Using the waveforms shown, determine the sequence of digits that appear on the display.
3. Construct a truth table for an active-LOW output BCD (1-of-10) decoder.
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B3
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B2
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B1
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B0
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Y0
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Y1
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Y2
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Y3
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Y4
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Y5
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Y6
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Y7
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Y8
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Y9
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4. Derive the truth table for the Y output in the diagram below.
54. Derive the Boolean equation for the Y output in Problem 4.
AS'B+ AS'B' +AS'B + ASB
6. For the multiplexer shown below, determine the output for the following input state:
D0 = 0, D1 = 1, D2 = 1, D3 = 0, S0 = 1, S1 = 0.
7. Determine the decimal value of each signed binary number in the 2's complement form:
a. 10011001 Decimal #
b. 01110100 Decimal #:
c. 10111111 Decimal #: -65
8. Explain the concept of a priority encoder.
9. Perform the following computation using 2's complement notation and binary addition. Please show all your steps.
55 - 21 =
10. Will the following circuit function properly as a half-adder? You may wish to fill out a truth table to compare it to that of the half-adder.
Attachment:- Assignment.rar