Data Handling: Representation and Manipulation for Year 2 Computing

Question 1

What do we do when we put data in a specific order?

Accepted Answer

Sort data

Answer

Find data

Answer

Clean data

Answer

Share data

Question 2

Which of the following helps us find a specific piece of information in a table?

Accepted Answer

Searching

Answer

Sorting

Answer

Counting

Answer

Adding

Question 3

Which of the following is NOT a type of data we use on computers?

Accepted Answer

Smells

Answer

Text

Answer

Numbers

Answer

Images

Question 4

What is the difference between a list and a table?

Accepted Answer

A list has items in a specific order, while a table has items in rows and columns.

Answer

A table has items in a specific order, while a list has items in any order.

Answer

A list and a table are the same type of data structure.

Answer

A table contains only text data, while a list can contain any type of data.

Question 5

Why is it important to keep our data organised?

Accepted Answer

It makes it easier to find and understand our data.

Answer

It makes our data look prettier.

Answer

It makes our computers run faster.

Answer

It makes our data more private.

Question 6

What is the purpose of checking our data for mistakes?

Accepted Answer

To make sure our data is correct and reliable.

Answer

To make our data look more professional.

Answer

To reduce the amount of data we have.

Answer

To prepare our data for sharing.

Question 7

What does it mean to search for information?

Accepted Answer

To find a specific thing in a larger group

Answer

To make a new thing

Answer

To take a thing away

Answer

To change a thing

Question 8

Which of these is an example of a table?

Accepted Answer

A list of names and phone numbers

Answer

A list of numbers in order

Answer

A picture of a cat

Answer

A recording of a bird singing

Question 9

What is the name for the process of putting data into a specific order?

Accepted Answer

Sorting

Answer

Searching

Answer

Filtering

Answer

Aggregating

Question 10

Which of these is NOT a valid way to show a date?

Accepted Answer

MM/YY/DD

Answer

DD/MM/YYYY

Answer

MM/DD/YYYY

Answer

YYYY-MM-DD

Question 11

What is the best way to store a list of your favorite fruits?

Accepted Answer

In a list

Answer

In a table

Answer

In a graph

Question 12

What is the purpose of using a data structure?

Accepted Answer

To store and organize data in a way that makes it easy to access and manipulate.

Answer

To make it harder to access and manipulate data.

Answer

To delete data quickly.

Question 13

What is the output of the following Python code: print([1, 2, 3] + [4, 5, 6])?

Accepted Answer

[1, 2, 3, 4, 5, 6]

Answer

[1, 2, 3][4, 5, 6]

Answer

Error

Question 14

What is a list in computing?

Accepted Answer

A way to store data in a specific order

Answer

A way to store data in a random order

Answer

A way to store only numbers

Answer

A way to store only text

Question 15

What is the process of putting data in a specific order called?

Accepted Answer

Sorting

Answer

Searching

Answer

Filtering

Answer

Deleting

Question 16

Why do we sort data?

Accepted Answer

To make it easier to find specific information

Answer

To make the data look more organised

Answer

To save space on the computer

Answer

To make the data more secure

Question 17

What is the difference between data and information?

Accepted Answer

Data is raw facts, while information is data that has been processed and organised

Answer

Information is raw facts, while data is data that has been processed and organised

Answer

Data is only numbers, while information can be any type of data

Answer

Information is only text, while data can be any type of data

Question 18

Which of these is NOT a data structure used in computing?

Accepted Answer

Paragraph

Answer

List

Answer

Table

Answer

Array

Question 19

Which data structure is best for storing a list of names in a computer program?

Accepted Answer

List of strings (each string is a name)

Answer

Table with two columns (first name, last name)

Answer

Dictionary (keys are names, values are additional information)

Answer

Set of strings (each string is a name)

Question 20

What is the purpose of a search algorithm?

Accepted Answer

To find specific data in a group of data

Answer

To remove specific data from a group of data

Answer

To put data in order

Answer

To add new data to a group of data

Question 21

How is a variable different from a constant?

Accepted Answer

Variables can change, constants cannot

Answer

Constants can change, variables cannot

Answer

Variables store data, constants name data

Answer

Constants store data, variables name data

Question 22

What is the main purpose of sorting data?

Accepted Answer

To make it easier to find specific information

Answer

To make it easier to delete information

Answer

To make it easier to change information

Answer

To make it easier to add information

Question 23

What is the key difference between a variable and a constant in programming?

Accepted Answer

A variable can change its value, while a constant cannot

Answer

A constant can change its value, while a variable cannot

Answer

Variables are used to store data, while constants are not

Answer

Constants are used to store data, while variables are not

Question 24

What is the purpose of using a loop in programming?

Accepted Answer

To repeat a set of instructions multiple times

Answer

To stop a program from running

Answer

To store data

Answer

To perform calculations

Question 25

What is the main purpose of using a function in programming?

Accepted Answer

To group together a set of related instructions

Answer

To store data

Answer

To perform calculations

Answer

To stop a program from running

Question 26

What is the main purpose of sorting data?

Accepted Answer

To organize data in a specific order

Answer

To remove duplicate data

Answer

To find the largest value in a dataset

Answer

To convert data from one format to another

Question 27

Which algorithm is most efficient for searching a value in a sorted list?

Accepted Answer

Binary search

Answer

Linear search

Answer

Breadth-first search

Answer

Depth-first search

Question 28

What is the key difference between a list and a table?

Accepted Answer

A list stores data in a sequential order, while a table stores data in rows and columns

Answer

A list can store different data types, while a table can only store one data type

Answer

A table is more complex than a list

Answer

There is no difference between a list and a table

Question 29

What is the main purpose of using a loop in programming?

Accepted Answer

To repeatedly execute a block of code

Answer

To store data in a variable

Answer

To compare two values

Answer

To print a message to the screen

Question 30

What operation is used to arrange a list of numbers from smallest to largest?

Accepted Answer

Sorting

Answer

Searching

Answer

Filtering

Answer

Merging

Question 31

Which of the following can represent data with both keys and values?

Accepted Answer

Dictionary

Answer

List

Answer

Table

Answer

Array

Question 32

What is the process of finding a specific item within a data structure called?

Accepted Answer

Searching

Answer

Sorting

Answer

Filtering

Answer

Merging

Question 33

Which of the following is not a valid data type in computing?

Accepted Answer

Image

Answer

Text

Answer

Number

Answer

Boolean

Question 34

Why do we use data validation in computing?

Accepted Answer

To make sure data is accurate and consistent

Answer

To improve the performance of applications

Answer

To prevent data loss

Answer

To make data more accessible

Question 35

What is the role of metadata in data representation?

Accepted Answer

To add extra information about data

Answer

To improve the efficiency of data storage

Answer

To protect data from unauthorized access

Answer

To make data more accessible

Question 36

Which of these is a type of data structure used to store a collection of data?

Accepted Answer

List

Answer

Screen

Answer

Calculator

Answer

Keyboard

Question 37

How can data be organized in a table?

Accepted Answer

In rows and columns

Answer

In trees and branches

Answer

In lists and items

Answer

In graphs and nodes

Question 38

What is an advantage of using data structures?

Accepted Answer

They help to efficiently organize data

Answer

They increase the size of the data

Answer

They make data look more visually appealing

Answer

They slow down the processing of data

Question 39

Which of these is NOT a type of sorting algorithm?

Accepted Answer

Toaster

Answer

Selection sort

Answer

Bubble sort

Answer

Quick sort

Question 40

Which of these is an example of a searching algorithm?

Accepted Answer

Linear search

Answer

Depth-first search

Answer

Fridge

Answer

Binary search

Question 41

In which real-world scenario is data representation and manipulation commonly used?

Accepted Answer

Organizing and analyzing data in a spreadsheet

Answer

Playing a video game

Answer

Surfing the internet

Answer

Sending an email