Discrete Structure (COS 203) CA
Authored by Godson Olusanya
Computers
University
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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Convert hexadecimal 5C3 to a decimal value.
1475
1575
1675
1775
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine the two's complement for hexadecimal value 4B.
4A
B5
4B
A5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following options is the appropriate representation for such A is a subset of B and A might be equal to B.
A ⊆ B
A ∉ B
A ⊂ B
A ∅ B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Let A = {9, 10, 11, 12, 13, 14, 15} and B = {14, 15, 16, 17, 18, 19}. Find the result for A ∪ B.
{9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19}
{9, 10, 11, 17, 18, 19}
{14, 15}
{10, 11, 12, 13, 14, 15, 16, 17, 18}
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given F = {3, 5, 6, 7, 9, 11}, G = {2, 4, 6, 7, 10}, H= {3, 4, 7, 12}, determine the symmetric for F union G.
{3,4, 6, 7}
{2, 3, 6, 10, 12}
{6, 7}
{2, 3, 4, 5, 6, 7, 9, 10, 11}
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given X = { 1, 4, 6, 8, 12}, Y = { 1, 2, 4, 5, 6, 7, 8}, Z = {1, 3, 5, 6, 7, 8, 9, 11}, determine the difference of Y - Z
{1, 3, 5, 6, 7, 8}
{1, 3, 5, 9, 11}
{2, 4}
{9, 11}
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
"It’s raining and it’s not raining" is an example of
Contradiction
Tautology
Valid sentence
None of the above
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