Lesson 4.5.1.6
4.5.1.6 Ordinal numbers, counting and measurement Quiz: AQA Computer Science, Unit 5
20 questions
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Lesson 4.5.1.6, Ordinal numbers, counting and measurement: 20 multiple choice questions for the AQA Computer Science (7517), Unit 5: Fundamentals of data representation, written with Revision Ninja.
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The 20 questions
-
What are ordinal numbers primarily used to indicate in computer science?
- Position in order
- Total count
- Base representation
- Measurement value
-
In the well-ordered set S = {'a', 'b', 'c', 'd'}, which object is the 3rd?
- 'd'
- 'b'
- 'a'
- 'c'
-
Which kind of number is used for measurements such as mass or temperature?
- Real numbers
- Ordinal positions only
- Natural numbers
- Positive integers only
-
Which property of an element is specified by an ordinal number?
- Storage size
- Numerical position
- Continuous value
- Total quantity
-
Which set of numbers is used for counting whole objects such as students?
- Natural numbers
- Real numbers
- Complex numbers
- Irrational numbers
-
Which of these real-world values represents a measurement rather than a count?
- 5 apples counted
- 10 array elements
- 3 cars parked
- 0.12 kg mass
-
Which set of numbers is required to represent continuous physical measurements?
- Natural numbers
- Real numbers
- Integer numbers
- Ordinal numbers
-
Which set of numbers is required to represent a liquid volume of 2.75 litres?
- Real numbers
- Natural numbers
- Integer numbers
- Ordinal numbers
-
In a race result, what type of number is 5th?
- Irrational number
- Cardinal number
- Ordinal number
- Real number
-
What type of value is a weight reading of 0.350 kg?
- Integer number
- Real number
- Natural number
- Ordinal number
-
Which scenario demonstrates the use of an ordinal number?
- Weighing 3 kilograms
- Adding 3 integers
- Finishing third place
- Counting 3 apples
-
In the ordered list of years 1990, 1991, 1992, which year is in 2nd position?
- 1993
- 1991
- 1990
- 1992
-
Which set of numbers is used to represent continuous measurements such as altitude?
- Natural numbers
- Ordinal numbers
- Integer numbers
- Real numbers
-
Which set of numbers represents the count of empty seats in a classroom?
- Negative integers
- Irrational numbers
- Natural numbers
- Real numbers
-
Which set of numbers includes negative fractional measurements like -3.5 °C?
- Natural numbers
- Real numbers
- Irrational numbers
- Ordinal numbers
-
Why are calculated average values stored as real numbers rather than natural numbers?
- Non-numeric data
- Always negative values
- Indicate item position
- Can be fractional
-
Which number set includes all natural, rational, and irrational numbers?
- Rational numbers
- Natural numbers
- Integer numbers
- Real numbers
-
The set {1.70, 1.90, 1.85} is put into ascending order of height in metres. What is the ordinal position of 1.90?
- 3rd
- 4th
- 2nd
- 1st
-
In the well-ordered set S = {'a', 'b', 'c', 'd'}, what is the ordinal position of 'd'?
- 5th
- 4th
- 3rd
- 1st
-
Which number set is specifically used in computer science for measurement?
- Natural numbers
- Integer numbers
- Ordinal numbers
- Real numbers
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