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COS1501 Assignment 3 (DETAILED ANSWERS) 2024 - DISTINCTION GUARANTEED

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  • Course
  • Theoretical Computer Science I (COS1501)
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COS1501 Assignment 3 (DETAILED ANSWERS) 2024 - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED Answers, guidelines, workings and references .... Question 1 Complete Marked out of 2.00 Question 2 Complete Marked out of 2.00 QUIZ Suppose U = {1, 2, 3, 4, 5, a, b, c}...

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  • July 17, 2024
  • 34
  • 2023/2024
  • Exam (elaborations)
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COS1501
Assignment 3 2024
Unique #:653581
Due Date: 22 July 2024, 11:00 PM



Detailed solutions, explanations, workings
and references.

+27 81 278 3372

, UNISA  2024  COS1501-24-Y  Welcome Message  Assessment 3

QUIZ




Started on Wednesday, 17 July 2024, 8:26 PM
State Finished
Completed on Wednesday, 17 July 2024, 10:03 PM
Time taken 1 hour 36 mins


Question 1
Complete

Marked out of 2.00




Suppose U = {1, 2, 3, 4, 5, a, b, c} is a universal set with the subset A = {a, b, c, 1, 2, 3, 4}.
Which one of the following relations on A is NOT functional?


a. {(1, 3), (b, 3), (1, 4), (b, 2), (c, 2)}
b. {(a, c), (b, c), (c, b), (1, 3), (2, 3), (3, a)}
c. {(a, a), (c, c), (2, 2), (3, 3), (4, 4)}
d. {(a, c), (b, c), (1, 3), (3, 3)}




Question 2
Complete

Marked out of 2.00




Suppose U = {1, 2, 3, 4, 5, a, b, c} is a universal set with the subset A = {a, b, c, 1, 2, 3, 4}.
Which one of the following alternatives represents a surjective function from U to A?


a. {(1, 4), (2, b), (3, 3), (4, 3), (5, a), (a, c), (b, 1), (c, b)}
b. {(a, 1), (b, 2), (c, a), (1, 4), (2, b), (3, 3), (4, c)}
c. {(1, a), (2, c), (3, b), (4, 1), (a, c), (b, 2), (c, 3)}
d. {(1, a), (2, b), (3, 4), (4, 3), (5, c), (a, a), (b, 1), (c, 2)}

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