Digital Electronics Homework / MultiSim Lab / Assignment
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elec_201_homework.docxHomework
Version 1
Question 1:
(a) How is the number four (4) indicated on the outputs of a BCD-to-seven-segment decoder/driver?
(b) How is the number one (1) indicated on the outputs of a BCD-to-seven-segment decoder/driver?
Question 2:
Simplify the following Boolean expression:
Question 3:
Develop the truth table for:
Question 4:
How many three-input NOR gates are in a 14-pin DIP integrated circuit?
Question 5:
Develop a Sum-of-Products (SOP) Boolean algebra expression for the following truth table showing.
|
A |
B |
C |
|
Y |
|
0 |
0 |
0 |
|
1 |
|
0 |
0 |
1 |
|
0 |
|
0 |
1 |
0 |
|
0 |
|
0 |
1 |
1 |
|
0 |
|
1 |
0 |
0 |
|
0 |
|
1 |
0 |
1 |
|
1 |
|
1 |
1 |
0 |
|
1 |
|
1 |
1 |
1 |
|
0 |
Develop a Product-of-Sums (POS) Boolean algebra expression for the following truth table which shows.
|
A |
B |
C |
|
Y |
|
0 |
0 |
0 |
|
1 |
|
0 |
0 |
1 |
|
1 |
|
0 |
1 |
0 |
|
1 |
|
0 |
1 |
1 |
|
1 |
|
1 |
0 |
0 |
|
0 |
|
1 |
0 |
1 |
|
0 |
|
1 |
1 |
0 |
|
1 |
|
1 |
1 |
1 |
|
1 |
Question 7:
Convert (1101111)2 into:
(a) Octal code
(b) Hexadecimal code
(c) Decimal code
(
)
BC
AC
AB
Y
+
=
BC
A
Y
+
=
(
)
C
B
A
f
Y
,
,
=
