Understanding Data Structures Crash Course Questions

1. What does a data structure allow us to do with our data?

• Organize and retrieve it easily.

• Analyze its value.

• Sort it in ascending order.

• Perform calculations on it.

What is an example of a basic data structure?

• Arrays

• Linked lists

• Stacks

• Trees

What is the purpose of an index in an array?

• To specify the starting point of the array.

• To denote the size of the array.

• To allow easy retrieval of specific values in the array.

• To determine the order of elements in the array.

True or False: Arrays are fixed in size and cannot be enlarged.

• TRUE

• FALSE

What is the purpose of a null character in a string?

• To mark the end of the string in memory.

• To represent the number zero.

• To hold binary values in memory.

• To denote a special character in the string.

How are linked lists different from arrays?

• Linked lists can dynamically change in size.

• Arrays are easier to conceptualize.

• Linked lists have a fixed size.
  

• Arrays can store multiple types of data.

True or False: Trees have a one-way path from roots to leaves.

• TRUE

• FALSE