Question

For an 8:3 priority encoder:

a) Draw the schematic.

b) Write the truth table.

c) Write the Boolean expressions for each of the outputs in terms of the inputs.

d) Draw the logic circuit for the outputs in terms of the inputs.

Answer #1

1. Implement the given logic function using a 4:1 MUX. F(A,B,C)
= Σm(0,1,3,7)
Show the truth table, the 4:1 MUX schematic with the inputs,
select inputs and the output.
2. For an 8:3 priority encoder:
a) Draw the schematic.
b) Write the truth table.
c) Write the Boolean expressions for each of the outputs in
terms of the inputs.
d) Draw the logic circuit for the outputs in terms of the
inputs.

1) Implement the given logic function using a 4:1 MUX. (Ref: Lec
16, slide 5)
F(A,B,C) = Σm(0,1,3,7)
Show the truth table, the 4:1 MUX schematic with the inputs,
select inputs and the output.
2) For an 8:3 priority encoder:
a) Draw the schematic.
b) Write the truth table.
c) Write the Boolean expressions for each of the outputs in
terms of the inputs.
d) Draw the logic circuit for the outputs in terms of the
inputs.

1. write a truth table using this symbol: -->
2. write the inputs for the truth table to the left of the
--> and write the outputs for the truth table to the right of
the -->
3. write the compliment, or NOT using '
As an example:
The truth table for AND is written this way:
A B --> A AND B
0 0 --> 0
0 1 --> 0
1 0 --> 0
1 1 --> 1
or...

Assume that you are asked to design a logic circuit with the
following specifications, using K-map. The circuit has two inputs X
and Y and three outputs O0, O1 and O2. This circuit operates as
follows: (1) the output (O0) will be high when XY only, and (3) the
output (O2) will be high when X=Y only.
a)Create the truth table for this logic circuit.
b) Show the Karnaugh maps.
c) Draw the schematic, using logic gates.

1. write a truth table using this symbol: -->
2. write the inputs for the truth table to the left of the
--> and write the outputs for the truth table to the right of
the -->
3. write the compliment, or NOT using '
As an example:
The truth table for AND is written this way:
A B --> A AND B
0 0 --> 0
0 1 --> 0
1 0 --> 0
1 1 --> 1
or...

Assume that you are asked to design a logic circuit with the
following specifications, using
K-map. The circuit has two inputs X and Y and three outputs O0,
O1 and O2. This circuit
operates as follows: (1) the output (O0) will be high when
X<Y only, (2) the output (O1)
will be high when X>Y only, and (3) the output (O2) will be
high when X=Y only.
a. (3 points) Create the truth table for this logic circuit.
b. (3...

please answer the following questions!!!!
1. Draw the truth table and block diagram for a 2:4 decoder. Use
positive logic inputs and a negative logic (also reffered to as an
active low or inverted) enable line and negative logic outputs 2.
Design a circuit to implement the 2: decoder block diagram in
question 1 using only NAND gates and inverters.
4. Use a 4:1 multiplexer and a minimum number of exterel gates
to implement a solution to F(0,3,4,7,10)
5. Use...

Please include the following items in your pre-lab write-up. 1.
Truth table for the profit calculator. 2. Karnaugh Maps for each of
the output bits: P2, P1, P0. Please show your circles on K-Maps or
you will lose credits. 3. Minimized Boolean expression in terms of
input bits (I, S, C, and H) for each output bit. ECEN 248
Laboratory Exercise #3 11 4. Gate level schematic of your profit
calculator which includes DIP switches and LEDs.

My question: what is the truth table for full-comparator??
Full question: Design a comparator circuit for binary numbers
using only NAND gates. It should take as input two numbers
represented in standard binary, X and Y, and produce two outputs, G
and L, which indicate that X is Greater than or Less than Y,
respectively. If both outputs are zero, it indicates that the
values are equal. Design a half-comparator, full-comparator, and a
full four-bit comparator. With nothing more than...

digital logic
A digital circuit consists of four inputs and two outputs. One of the outputs takes the value
logical one "only when there is a majority of inputs to one". The other output is activated only if there is equal
number of inputs to one "than to zero".
a) Write the truth table.
b) Draw the necessary digital circuit with logic gates.
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A drip irrigation system has three sensors that measure different physical parameters. A
Sensor H measures...

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