ICS 6D Gassko Final Exam
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University of California, Irvine *
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Course
6D
Subject
Computer Science
Date
May 7, 2024
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Pages
10
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ICS 6D Gassko Final Exam
TOTAL POINTS
57 / 71
QUESTION 1
1 Question 1 (a-b) 0 / 4
- 0 pts Correct
✓
- 2 pts for a), answer is incorrect.
✓
- 2 pts for b), answer is incorrect.
QUESTION 2
2 Question 1 (c-e) 0 / 6
- 0 pts Correct
✓
- 2 pts for c), answer is incorrect.
✓
- 2 pts for d), answer is incorrect.
✓
- 2 pts for e), answer is incorrect.
QUESTION 3
3 Question 2 2 / 4
- 0 pts Correct
- 2 pts for the first question, the answer is incorrect.
✓
- 2 pts for the second question, the answer is
incorrect.
QUESTION 4
4 Question 3 3 / 3
✓
- 0 pts Correct
- 1 pts for the first blank, the answer is wrong.
- 1 pts for the second blank, the answer is wrong.
- 1 pts for the third blank, the answer is wrong.
- 0.5 pts half points for the first blank
QUESTION 5
5 Question 4 3 / 4
- 0 pts Correct
✓
- 1 pts for a), the answer is wrong
- 1 pts for b), the answer is wrong
- 1 pts for c), the answer is wrong
- 1 pts for d), the answer is wrong
QUESTION 6
6 Question 5 6 / 6
✓
- 0 pts Correct
- 1 pts In c), approach is correct, but there is
calculation mistakes which leads to incorrect results.
- 1 pts In d), approach is correct, but there is
calculation mistakes which leads to incorrect results.
- 2 pts In c), both approach and result is not correct.
- 2 pts In d), both approach and result is not correct.
- 1 pts In b), answer is not correct.
- 1 pts In a), answer is not correct.
QUESTION 7
7 Question 6 4 / 4
✓
- 0 pts Correct
- 1 pts a) is incorrect.
- 1 pts b) is incorrect.
- 1 pts c) is not correct.
- 1 pts d) is incorrect.
- 0.5 pts c): should simplify it.
- 0.5 pts d): should simplify it.
- 0.5 pts d): Should not include primes with zero
exponents.
- 0.5 pts a): Should not contain zero exponents.
QUESTION 8
8 Question 7 3 / 3
✓
- 0 pts Correct
- 1 pts a) is not correct.
- 1 pts b) is not correct.
- 1 pts c) is not correct.
- 0.5 pts a): approach is correct though calculation
result is not correct.
- 0.5 pts b): approach is correct though calculation
result is not correct.
- 0.5 pts c): approach is correct though calculation
result is not correct.
QUESTION 9
9 Question 8 2 / 2
✓
- 0 pts Graded by Preston
- 0 pts Correct
- 0.5 pts Algebra Error
- 1 pts Minor conceptual error
- 2 pts Completely incorrect
QUESTION 10
10 Question 9 (a) 2 / 2
✓
- 0 pts Graded by Casey
- 1 pts N Incorrect
- 1 pts Phi Incorrect
QUESTION 11
11 Question 9 (b) 4.5 / 5
✓
- 0 pts Graded by Preston
- 0.5 pts Algebra Error/Minor error in EA
- 1 pts EA completely incorrect
- 0.5 pts One Equation Wrong
- 1 pts Both equations Wrong
- 1 pts Process Incorrect for 3
✓
- 0.5 pts algebra error in 3
- 2 pts Process and Answers Incorrect for 3
- 0.5 pts Choose wrong coefficient for 4
- 1 pts Completely Incorrect for 4
QUESTION 12
12 Question 9 (c) 5 / 5
✓
- 0 pts Graded by Casey
- 1 pts Binary Representation Incorrect
- 2 pts Terms Incorrect
- 1 pts Terms Incorrect, but correct approach
- 2 pts Final Value Inccorect
- 1 pts Final Value Incorrect, but used correct terms
QUESTION 13
13 Question 10 10 / 10
✓
- 0 pts Graded by Casey
- 0.5 pts Base Case Insufficient (i.e. didn't clearly
evaluate left- and right-hand side) OR Started at n=1
instead of n=0
- 2 pts Base Case Incorrect
- 0.5 pts Incorrect bounds on k in Inductive
Hypothesis (e.g. missing k>=0). Note: "all positive
integers" => k>= 1.
- 2 pts Inductive Hypothesis Incorrect
- 1 pts Trying to Prove Incorrect (k+1)
- 2 pts Inductive Hypothesis Applied Inccorectly
- 2 pts Insufficient Work Shown
- 1 pts Did Not Arrive At Correct Final Answer
- 0.5 pts Algebra Mistake
- 2 pts Incorrectly Expanded Sum
QUESTION 14
14 Question 11 3 / 3
✓
- 0 pts Graded by Casey
- 1 pts Bases Cases Incorrect
- 0.5 pts Base Cases Partially Incorrect
- 1 pts Recursive Call Coefficients Incorrect
- 0.5 pts Wrong Sign on Recursive Call Coefficient
- 1 pts Recursive Call Arguments Incorrect
QUESTION 15
15 Question 12 9.5 / 10
✓
- 0 pts Graded by Preston
- 1 pts Only 1 Base Case or two wrong base cases
- 2 pts No base cases correctly proven
✓
- 0.5 pts small error in IS
- 1 pts Not strong induction IH, or IH incorrect
- 1 pts Trying to Prove Incorrect
- 3 pts IS completely Incorrect
- 2 pts IH incorrectly applied
- 2 pts Insufficient work shown in proof
- 1 pts Didn't arrive at correct solution
Page 2
Seat Assignment: Name (student to the left): Name (student to the right): Student ID Number: Name: _
Final Exam ICS 6D Winter 2018 March 19, 2018 Instructor: Irene Gassko Instructions •
Wait until instructed to turn over the cover page.
•
Please print the names of the students to your immediate left and right on the provided
lines. If your are at the end of a row you may leave the corresponding line blank.
•
There are questions on both sides. of the page. The back of the last page can be used
for scratch work but will not be graded.
•
Special Instructions for this exam (please read carefully):
-
You can use any standard notation in your final answer, including P(n, k), C(n, k), (�), the factorial func-
tion (n!), or standard arithmetic. You will get full credit as long as the expression evaluates to the correct
answer.
- Write your final answer on the provided line. You should have only one expression on the line for each
question. We will score the question based only on the value of the expression on the line.
-
In all of the questions, the word "or" means the inclusive "or•;:
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Related Questions
- Answer must be proper and complete and must be correct alsoarrow_forwardOnly typing answer please.arrow_forwardCase study: Students and staff purchase ready to eat snack-foods such as chocolate bars, cookies, chips, drinks, etc. using an automated vending machine. Each snack-item has a price and a name. Any customer can buy an item, using funds available on the university identity card to pay for it. Cash payments are not allowed. The vending machine has a card reader. Customers tap their ID card against the card-reader. The card-reader reads the card and stores its details for the duration of the interaction. After the card is verified, the customer may choose the snack item and opt to buy it. The vending machine will verify that there is sufficient balance on the card to pay for the item and automatically deducts the amount towards the purchase of the snack-item if sufficient funds are available. The customer can buy as many items as they’d like. Task: Draw a sequence diagram depicting a successful sale scenario for the case study described above.arrow_forward
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