Nelson U3 Chapter Test Qs

 

What is the most appropriate data type for this data? 

Vegetables: { "potato", "carrot", "yam" } 

• integer

• string

• record

• array

 

What is the result of the operation 8 // 3? 

• 2.667

• 2

• 3

• 0.375

What is the result of the operation 8 ** 2? 

• 4

• 16

• 32

• 64

Which of the following is most likely to be a string data type? 

• /

• apple

• 62

• &

Maia uses a data structure that contains groupings of strings. This data structure is most likely 

• Boolean

• data/time

• an array

• a record

Daniela performs the following action using a data structure: 

menu.dessert <-- "sticky date pudding" 

What data structure is menu? 

• a record

• a 1-D array

• a list

• a 2-D array

A data structure that allows data to be stored in rows and columns is a 

• file

• CSV

• 1-D array

• 2-D array

A program uses a function represented by the pseudocode below: 

Algorithm myFunction input) 

Begin 

Return input % 7 

End 

What is the result of the function being run on the input 3074? 

• 1

• 210

• 439

• 21518

Miguel needs to select a data structure that can store a collection of related elements that have different data types and structures. Which data type or structure should Miguel choose? 

• 2-D array

• a record

• a class

• a field

What is the relationship between a class and an object? 

• A class is created by instantiating and object

• A class contains objects that exist in memory

• An object is a blueprint that is used to create classes

• An object is an instance of a class that exists in memory