The variable age holds a person's age as an integer. Which expression evaluates to true exactly when a person is a teenager (at least 13 and at most 19)?
(age ≥ 13) OR (age ≤ 19)
(age ≥ 13) AND (age ≤ 19)
(age > 13) AND (age < 19)
NOT (age ≥ 13)
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What is the value of the following expression?
(7 ≠ 4) OR (2 > 5)
true
false
7
2
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Which two of the following expressions evaluate to true?
Select two answers.
(5 > 3) AND (2 < 1)
NOT (4 = 4)
(10 ≥ 10) OR (1 > 9)
NOT (3 > 8)
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What is the value of the following expression?
NOT (8 < 3)
true
false
8
3
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Which of the following expressions evaluates to false?
12 ≠ 7
4 ≤ 4
10 > 15
6 = 6
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What is displayed when the following code segment is executed?
temp ← 30
isHot ← temp > 25
isFreezing ← temp < 0
DISPLAY(isHot AND NOT isFreezing)false
true
30
25
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What is the value of the following expression?
NOT (7 > 9 OR 3 = 3)
true
7
3
false
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What is displayed when the following code segment is executed?
a ← 4
b ← 9
result ← a < b AND NOT (a ≥ b)
DISPLAY(result)false
4
true
9
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The variable stock holds the number of items in a warehouse as an integer. Which expression evaluates to true exactly when stock is outside the valid range of 1 to 100 inclusive?
stock < 1 OR stock > 100
stock < 1 AND stock > 100
stock ≥ 1 AND stock ≤ 100
NOT (stock > 100)
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