Module 2 Review Quiz
CESC 220 Digital Circuit Design
1. Simplify the expression (AB + C + D)(AB + D) by applying one of the theorems.
(A+BCD) + (A+BD)
2. Factor the expression ACD + CD + AC to obtain a product of sums.
= (A+C+D)(C+D)+AC
=
3. Simplify the

Module 2 Discussion Questions
CESC 220 Digital Circuit Design
Tom Zesiger
1. Illustrate the following theorem using a circuit of switches. Attach a Word document,
PDF, or image file of your circuit. Also explain why the circuits are equivalent. Discuss
yo

Module 8 Exercises
CESC 220 Digital Circuit Design
1. Complete the timing diagram for the given circuit. Assume that both gates have a
propagation delay of 5 ns. Attach a Word, PDF, or image file of your completed diagram.
2. The following PLA will be use

Module 7 Review Quiz
CESC 220 Digital Circuit Design
1. Show how to make a 4-to-1 MUX, using an 8-to-1 MUX. Attach a Word, PDF, or image
file of your multiplexer.
A reset-dominant flip-flop behaves like an S-R flip-flop, except that the input S = R = 1
is

Module 2 Exercises
CESC 220 Digital Circuit Design
1. Simplify the expression XYZ + (XYZ) by applying one of the theorems.
(X+Y+Z)(X+Y+Z)
2. Simplify the expression (AB + CD)(BE + CD) by applying one of the theorems.
(A+B)(C+D) + (B+E)(C+D)
3. Simplify th

Module 8 Review Quiz Part 2
CESC 220 Digital Circuit Design
6. For the following circuit, assume delays of the NAND gates and NOR gates are 3 ns, and
assume the delay of the inverter is 2 ns. Assume the propagation delays and setup times
for the J-K flip-

Module 8 Review Quiz Part 1
CESC 220 Digital Circuit Design
1. Draw the timing diagram for V and Z for the given circuit. Assume that the AND gate has
a delay of 10 ns and the OR gate has a delay of 5 ns. Attach a Word, PDF, or image file of
your complete

Module 8 Review Quiz Part 1
CESC 220 Digital Circuit Design
1. Draw the timing diagram for V and Z for the given circuit. Assume that the AND gate has
a delay of 10 ns and the OR gate has a delay of 5 ns. Attach a Word, PDF, or image file of
your complete

Module 7 Exercises
CESC 220 Digital Circuit Design
1. Show how two 4-to-1 and one 2-to-1 multiplexers could be connected to form an 8-to-1
MUX with three control inputs. Attach a Word, PDF, or image file of your multiplexer.
2. Show how four 2-to-1 and on

Module 7 Exercises
CESC 220 Digital Circuit Design
1. Show how two 4-to-1 and one 2-to-1 multiplexers could be connected to form an 8-to-1
MUX with three control inputs. Attach a Word, PDF, or image file of your multiplexer.
IF AB=00, SELECT I0
IF AB=01,

Module 3 Exercises
CESC 220 Digital Circuit Design
1. A flow rate sensing device used on a liquid transport pipeline functions as follows. The
device provides a 5-bit output where all five bits are zero if the flow rate is less than 10
gallons per minute.

Module 1 Review Quiz
CESC 220 Digital Circuit Design
1. Convert 1063.510 to hexadecimal.
2. Convert 1063.510 to binary.
3. Convert 10110011101.112 to octal.
4. Convert 10110011101.112 to hexadecimal.
5. Add the following binary numbers: 100100 and 10110
6