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North Carolina State University *
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109
Subject
Electrical Engineering
Date
Apr 3, 2024
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docx
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14
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________________________________________ Section
: ____________
ECE 109 Final Exam w/ Solutions May 4, 2020 Cover Sheet
This exam is Open Note, Open Book, Open Calculator, Open Computer for notes.
No correspondence is allowed with anyone other than the instructor/proctor.
You absolutely may NOT access online resources (Google, Yahoo, Chegg, etc.) to obtain any problem solutions or previous class work from ANY organization! This applies before and during the exam.
You may NOT have any materials printed/downloaded which were received from Anyone other than the instructor or TAs.
Absolutely NO IMs, E-Mails, Verbal Messages, or other communications during the exam!
If you do not have a printer available you may complete your exam on plain/lined paper and upload it at the end.
You MUST have a camera turned on you during the entire exam. If your computer does not have an exam use a cell phone. Be sure to have your charger cable ready to cover the entire exam period.
This is a 120 minute exam. Students who arrive late will NOT be given extra time on the exam. You are allotted 15 minutes to print the exam, 120 minutes to complete the
exam, and then a final 15 minutes to scan and upload the exam. If you are still working on the exam past the 120 minute time, this will be considered cheating.
You WILL be required to show your work for full credit! Partial Credit will be Generous!
Please turn in your exam when asked! I consider it cheating
to continue to work on an exam when told to stop and will count this as an Honor Offence!!
Exam Problem Grading:
10% For Trying. Writing anything intelligent on the test paper.
40% for choosing the correct methods and formulae
50% for placing the proper values into the proper places and for carrying through the math to get the final answer
Failure to abide by these rules and the NCSU Honor Policy will result in a zero
on the exam
and will be treated as a violation of the NCSU Code of Student Conduct.
Name: __________________________
Read and sign the following statement. Failure to sign the statement will result in a zero
on the exam.
I have neither given nor received unauthorized assistance on this test. I have notified the proctor
of any violations of the above policies.
Signature: __________________________________________________ Grader
: _____________________________________________
ECE 109 Spring 2020 Final Exam w/ Solutions Page 2 of 14
Question
Points
Topic
Score
1
10
Transistor Gates
2
10
POS/SOP
3
15
State Diagrams
4
10
Assembly / Machine
Conversions
5
10
Subroutines
6
27
Code Segments
7
18
Code Line Counting
8
10
Interrupts
9
10
Stack
TOTAL
120
Name: __________________________
[1] [10 pts. Total] Transistor Circuits Complete the truth table and equations. Solving for intermediate nodes R and Q is not required but may help you in solving the final solution at node Z. ECE 109 Spring 2020 Final Exam w/ Solutions Page 3 of 14
Name: __________________________
[2] [10 pts total
] Logic
Complete the circuit for the function shown. Choose your design to use the lowest number of gates.
ECE 109 Spring 2020 Final Exam w/ Solutions Page 4 of 14
Name: __________________________
[
3] [15 points total] State Machines
Construct the next state and output table for the following state diagram.
ECE 109 Spring 2020 Final Exam w/ Solutions Page 5 of 14
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