Name _
ECE-200 Intelligent Systems
July 25, 2007
Midterm Exam
Closed Book
Instructions: Show your work to receive full credit.
This exam is closed book and notes. You may use a one-page formula sheet.
Problem 1. (15 points)
a) Convert 65 (base 10) to base
ECE 200 Digital Logic Design
Drexel University
Spring 2013-2014
Homework #6 Solutions
6-1 (only b, c, d)
b.
x
1 1 0 1 0 1 0 1 0 0 1 0 1 1
q
A B B C D C D C D C A B C D B
z
0 0 0 0 1 0 1 0 1 0 0 0 0 1 0 0
After the last input, state B goes to either C or B
ECE-200 Week #5
http:/learn.dcollege.net
Dr. Naga Kandasamy
603 Bossone
215-895-1996
kandasamy@drexel.edu
Office Hours: Monday 4:00-5:00 pm, or by
appointment
Slides courtesy of Prof. Kurzweg, ECE
Announcements
Midterm is on Wednesday, May 8, IN CLASS
P
ECE 200-Digital Logic
Drexel University
Winter 2012-2013
Solution Set for Homework #3
Problem 3.8.2
c)
h = a' b' + b c' + a c, or h = a' c' + a b + b' c
g)
f = abd + acd + bd + bc
or f = bcd + acd + bd + ab
h)
g = w' y + y z + w x y' + w x' z'
or g = w' y
ECE 200 Digital Logic Design
Drexel University
Spring 2012 - 2013
Homework #2
Due: Wednesday April 17, 2013 IN CLASS
Show all your work. Points will be removed for answers without work.
Please staple and write your section number on your homework.
1) Prov
ECE-200 Weeks #9 and #10
Chapter 7
http:/learn.dcollege.net
Dr. Naga Kandasamy
603 Bossone
215-895-1996
kandasamy@drexel.edu
Office Hours: Monday 4:00-5:00 pm or by appointment
Slides courtesy of Prof. Kurzweg, ECE
Example 2: A Sequence Detector
Design a
ECE 200 Digital Logic Design
Drexel University
Spring 2012 - 2013
Solutions to homework set #2
1) Prove the following simplification theorems using Boolean algebra. State what
theorems that you use.
a) ( X + Y )( X + Y )= X
b) X ( X + Y )= X
c) ( X + Y )
Exercises
1. Draw a finite state machine for each of the following cases:
i) A machine with a single binary input that generates an output when the sum of the bits
received so far mod 3 is 0.
0
t h r e e 1 's
0
1
one 1
1
1
t w o 1 's
0
ii) A machine to re
EC262 Digital Systems Fall 2011 Chapter 2 Solutions
Textbook: Marcovitz, Introduction to Logic Design, 3rd ed.
Exercise 2 (e and f), Exercise 3(b), Exercise 5 ( a and c), Exercise 8 ( b, e and h), Exercise 9 ( a and b), Exercise 10 (a and b), Exercise 11
ECE-200 Spring 2012 - 2013
Digital Logic Design
Week 1: Lectures 1 & 2
Introduction, number systems, and arithmetic operations
Prof. Naga Kandasamy
ECE Department
Drexel University
Slides courtesy of Prof. Timothy Kurzweg, Electrical and
About the Course
ECE 200 Digital Logic Design
Drexel University
Spring 2012- 2013
Homework #6
1. Draw a state diagram for an FSM that has an input X and an output Y. Whenever
X changes from 0 to 1, Y should become 1 for two clock cycles and then return to
0, even if X is
Midterm
ECE 200
1 hour
NAME _
1
4
2
5
3
6
sum1
sum2
total
Midterm solution
ECE 200
1.
a) 5 points
Convert 21023 to base 9 without going through base 10. Show your method.
32 = 9, thus can group by 2s:
21 = 2*3 + 1*1 = 7
02 = 0*3 + 2*1 = 2
Thus 21023 =729.
ECE 200 Digital Logic Design
Drexel University
Spring 2012 - 2013
Homework #5
Due: Wednesday, June 5, IN CLASS
Show all work. Points will be removed for answers without work.
For the following problems, assume that an implicit rising clock is ANDed with e
ECE 200 Digital Logic Design
Drexel University
Spring 2012- 2013
Homework #6
1. Draw a state diagram for an FSM that has an input X and an output Y. Whenever
X changes from 0 to 1, Y should become 1 for two clock cycles and then return to
0, even if X is
ECE 200 Digital Logic Design
Drexel University
Spring 2014-2015
Instructor:
Dr. Baris Taskin
413F Bossone Building
215-895-5972
taskin@coe.drexel.edu
Office Hours: By appointment only
Recitation Instructors:
Dr. Mark Hempstead
413B Bossone Building
mhemps
ECE 200 Digital Logic Design
Drexel University
Fall 2016-2017
Homework #2
Due: Monday October 3, 2016 at beginning of class (11:00AM)
Homework must have/be:
Name, Recitation Section Number
Stapled if they are more than one page.
Use the same variables
ECE 200 Digital Logic Design
Drexel University
Fall 2016-2017
Homework #1
Due: Monday September 26, 2016 at beginning of class (11:00AM)
Homework must have/be:
Name, Recitation Section Number
Stapled if they are more than one page.
Use the same variabl
Name Section
Problem 3 (25 points).
For the following function, (i) provide the minimal SOP expression. (ii) Draw the schematic,
assuming you have access to all variable and their complements, and 2 or 3 input AND and OR
garliesx E-‘Q
FAME: AB(D+§)+(C+D)(
ECE 200 Digital Logic Design
Drexel University
Spring 2013-2014
Homework #6
Due: Wednesday May 21, 2014 at beginning of class (11:00AM)
Homework must have/be:
Name, Recitation Section Number
Stapled if they are more than one page.
Numbered. The number
ECE 200 Digital Logic Design
Drexel University
Fall 2016-2017
Instructor:
Dr. Timothy Kurzweg
601 Bossone Building
215-895-0549
kurzweg@ece.drexel.edu
Office Hours: Wed 1:00-3:00PM or By Appointment
Lab Instructors:
Dr. Baris Taskin
413F Bossone Building
ECE 200 Digital Logic Design
Drexel University
Spring 2013-2014
Homework #1
Due: Wednesday April 9, 2014 at beginning of class (11:00AM)
Homework must have/be:
Name, Recitation Section Number
Stapled if they are more than one page.
Numbered. The number
ECE 200 Digital Logic Design
Drexel University
Spring 2013-2014
Homework #2
Due: Wednesday April 16, 2014 at beginning of class (11:00AM)
Homework must have/be:
Name, Recitation Section Number
Stapled if they are more than one page.
Numbered. The numbe
ECE 200 Digital Logic Design
Drexel University
Spring 2013-2014
Homework #7
Due: Wednesday May 28, 2014 at beginning of class (11:00AM)
Homework must have/be:
Name, Recitation Section Number
Stapled if they are more than one page.
Numbered. The number
ECE 200 Digital Logic Design
Drexel University
Spring 2013-2014
Homework #5
Due: Wednesday May 14, 2014 at beginning of class (11:00AM)
Homework must have/be:
Name, Recitation Section Number
Stapled if they are more than one page.
Numbered. The number
ECE 200 Digital Logic Design
Drexel University
Spring 2013-2014
Homework #3
Due: Wednesday April 23, 2014 at beginning of class (11:00AM)
Homework must have/be:
Name, Recitation Section Number
Stapled if they are more than one page.
Numbered. The numbe
ECE 200 Digital Logic Design
Drexel University
Spring 2013-2014
Homework #4
Due: Wednesday April 30, 2014 at beginning of class (11:00AM)
Homework must have/be:
Name, Recitation Section Number
Stapled if they are more than one page.
Numbered. The numbe