Data Structures

What is a data structure?

• A way to store and organize data
• A programming language
• A computer algorithm
• A mathematical equation

What determines the behavior of a data structure?

• The type of data being used
• The programming language
• The computer's memory
• The size of the data structure

Which of the following is an example of a data structure?

• Array
• Function
• Variable
• Loop

What is the main purpose of a data structure?

• To optimize computer performance
• To store data in a specific format
• To perform complex calculations
• To create graphical user interfaces

What is an array?

• A fixed-length data structure
• A list of numbers
• A type of loop
• A mathematical equation

How are elements in an array indexed?

• Starting from 0
• Starting from 1
• Starting from -1
• Starting from the length of the array

What is a two-dimensional array?

• An array with two elements
• An array of arrays
• An array with two dimensions
• An array with two data types

What is the purpose of closing a file after use?

• To free up resources
• To prevent corruption
• To flush the buffer
• All of the above

What is a record in a text file?

• A line of text
• A field in a database
• A mathematical equation
• A programming language

What is the purpose of fields in a record?

• To store different data types
• To organize data in a table
• To perform calculations
• To create graphical user interfaces