Data Handling for Year 7 Computing: Interactive Quizzes and Practice

Question 1

What is the key difference between filtering and searching?

Accepted Answer

Filtering removes data that meets certain criteria, while searching finds specific values.

Answer

Searching removes data that does not meet certain criteria, while filtering finds specific values.

Answer

Filtering and searching are the same thing.

Answer

Filtering is used on numerical data, while searching is used on text data.

Question 2

Which of the following is NOT a data manipulation technique?

Accepted Answer

Deleting

Answer

Sorting

Answer

Filtering

Answer

Searching

Question 3

What is the purpose of sorting data?

Accepted Answer

To organize data in a specific order

Answer

To remove duplicate data

Answer

To find specific data values

Answer

To create a new data set

Question 4

What is the purpose of a filter?

Accepted Answer

To select specific data based on a condition

Answer

To create a new data set

Answer

To remove duplicate data

Answer

To sort data in a specific order

Question 5

How are ascending order and descending order different?

Accepted Answer

Ascending order arranges data from smallest to largest, while descending order arranges it from largest to smallest

Answer

Ascending order arranges data alphabetically, while descending order arranges it reverse alphabetically

Answer

Ascending order is used for numeric data, while descending order is used for text data

Answer

There is no difference between ascending and descending order

Question 6

What is the time complexity of a linear search?

Accepted Answer

O(n)

Answer

O(1)

Answer

O(log n)

Answer

O(n^2)

Question 7

Which data structure is most suitable for efficient searches?

Accepted Answer

Array

Answer

Linked list

Answer

Stack

Answer

Queue

Question 8

What is the process of arranging data in a specific order, such as ascending or descending, called?

Accepted Answer

Sorting

Answer

Filtering

Answer

Searching

Answer

Analyzing

Question 9

What technique is used to locate a particular value or item within a dataset efficiently?

Accepted Answer

Searching

Answer

Sorting

Answer

Filtering

Answer

Analyzing

Question 10

Which of the following is NOT a benefit of using data manipulation techniques?

Accepted Answer

Enhanced data security

Answer

Improved data organization

Answer

Simplified data analysis

Answer

Increased data accuracy

Question 11

What is the term for a set of step-by-step instructions that specifies how data should be manipulated?

Accepted Answer

Algorithm

Answer

Program

Answer

Script

Answer

Formula

Question 12

What is the difference between ascending and descending sorting?

Accepted Answer

Ascending sorts data from smallest to largest, while descending sorts data from largest to smallest

Answer

Ascending sorts data alphabetically, while descending sorts data numerically

Answer

Ascending sorts data from left to right, while descending sorts data from right to left

Answer

There is no difference between ascending and descending sorting

Question 13

Which type of filter can be used to exclude specific values from a dataset?

Accepted Answer

Exclusion filter

Answer

Inclusion filter

Answer

Range filter

Answer

Conditional filter

Question 14

What is the main goal of a search algorithm?

Accepted Answer

To locate a specific item or value within a dataset

Answer

To find the smallest value in a dataset

Answer

To sort data in a specific order

Answer

To analyze data and identify patterns

Question 15

Which of the following is NOT a data manipulation technique?

Accepted Answer

Styling

Answer

Sorting

Answer

Filtering

Answer

Searching

Question 16

What is the main purpose of sorting data?

Accepted Answer

To arrange data in a specific order

Answer

To remove duplicate data

Answer

To find specific data

Answer

To calculate the average of data

Question 17

How can you find the largest value in a data set?

Accepted Answer

Use the MAX function

Answer

Sort the data in ascending order

Answer

Filter the data for values greater than a number

Answer

Calculate the average of the data

Question 18

Can data manipulation techniques be applied to any type of data?

Accepted Answer

Yes

Answer

No

Answer

Only to numerical data

Answer

Only to text data

Question 19

Which of these is NOT a data structure commonly used in data manipulation?

Accepted Answer

Database

Answer

Array

Answer

Linked List

Answer

Stack

Question 20

Which of the following is NOT a data manipulation technique you have learnt about?

Accepted Answer

Deleting

Answer

Sorting

Answer

Filtering

Answer

Searching

Question 21

What is the main purpose of sorting data?

Accepted Answer

To arrange data in a specific order

Answer

To remove duplicate data

Answer

To group similar data

Answer

To count the number of occurrences of each data point

Question 22

Which of the following is NOT a type of search algorithm?

Accepted Answer

Bubble sort

Answer

Linear search

Answer

Binary search

Answer

Hash search

Question 23

What is the time complexity of a linear search?

Accepted Answer

O(n)

Answer

O(1)

Answer

O(log n)

Answer

O(n^2)

Question 24

Which data manipulation technique organizes data in a particular order?

Accepted Answer

Sorting

Answer

Filtering

Answer

Searching

Answer

Analysis

Question 25

What is the primary purpose of data filtering?

Accepted Answer

ToRemove unnecessary or duplicate data

Answer

To organize data systematically

Answer

To find specific data within a dataset

Answer

To analyze data patterns and trends

Question 26

How do ascending and descending orders differ when sorting data?

Accepted Answer

Ascending order arranges data from smallest to largest, while descending order arranges data from largest to smallest.

Answer

Ascending order arranges data from largest to smallest, while descending order arranges data from smallest to largest.

Answer

Both ascending and descending orders arrange data alphabetically.

Answer

There is no difference between ascending and descending orders.

Question 27

What is an advantage of using a search algorithm to find data?

Accepted Answer

Efficiently locates data, even in large datasets.

Answer

Ensures all data is accessed and processed.

Answer

Organizes data systematically.

Answer

Removes duplicate data from a dataset.

Question 28

Which of the following is NOT a key skill for data manipulation?

Accepted Answer

Memorization

Answer

Logical thinking

Answer

Data organization

Answer

Analytical reasoning

Question 29

Which file format is commonly used for storing and manipulating structured data?

Accepted Answer

CSV

Answer

PDF

Answer

MP4

Answer

DOCX

Question 30

Which method helps you find data that matches a specific rule?

Accepted Answer

Filtering

Answer

Sorting

Answer

Searching

Question 31

Which of these is **not** a data manipulation technique?

Accepted Answer

Deleting

Answer

Sorting

Answer

Filtering

Answer

Searching

Question 32

Which of the following is NOT a data manipulation technique?

Accepted Answer

Archiving

Answer

Sorting

Answer

Filtering

Answer

Searching

Question 33

Which data manipulation technique can help people with reading difficulties access data more easily?

Accepted Answer

Text-to-speech conversion

Answer

Filtering

Answer

Sorting

Question 34

Which of the following is a data manipulation technique used to arrange data in a particular order, such as alphabetical or numerical?

Accepted Answer

Sorting

Answer

Analyzing

Answer

Inputting

Answer

Exporting

Question 35

What is the main purpose of filtering data?

Accepted Answer

To select specific rows of data that meet certain criteria, like a particular date range or value.

Answer

To eliminate errors or duplicate data in the dataset.

Answer

To change the format or appearance of the data.

Answer

To calculate summary statistics, like averages or totals.

Question 36

Which of the following is NOT an advantage of data manipulation?

Accepted Answer

Making data more difficult to understand or interpret.

Answer

Preparing data for reporting or visualization.

Answer

Organizing data for easier analysis.

Answer

Identifying patterns and trends within the data.

Question 37

What is the key difference between sorting and filtering in data manipulation?

Accepted Answer

Sorting arranges data in a specific order, while filtering selects specific rows that meet certain criteria.

Answer

Sorting is used for numerical data, while filtering is used for text data.

Answer

Filtering is more complex than sorting.

Question 38

Can you provide an example of a practical application of data manipulation in the real world?

Accepted Answer

Organizing customer records in a customer relationship management (CRM) system for better management.

Answer

Writing a poem or other literary work.

Answer

Playing a video game.

Answer

Creating a drawing or artwork.

Question 39

What is the purpose of using a wildcard character, such as an asterisk (*), in a search query?

Accepted Answer

To match any character in a string, allowing for more flexible searches.

Answer

To find all occurrences of a specific character.

Answer

To ignore case when performing a search.

Answer

To search for exact matches only.

Question 40

Which of these is a valid data manipulation function found in spreadsheet software?

Accepted Answer

SORT()

Answer

SEARCHING()

Answer

ANALYZE()

Answer

DRAWING()

Question 41

Which of the following is a data manipulation technique?

Accepted Answer

Filtering

Answer

Data storage

Answer

Data analysis

Answer

Data entry

Question 42

What is the purpose of sorting data?

Accepted Answer

To organize data in a specific order for easier analysis.

Answer

To remove duplicates

Answer

To summarize data

Answer

To find specific data

Question 43

Which of the following is NOT a sorting algorithm?

Accepted Answer

Linear search

Answer

Selection sort

Answer

Bubble sort

Answer

Insertion sort

Question 44

What is the difference between filtering and searching?

Accepted Answer

Filtering selects data that meets a specific condition, while searching finds and retrieves specific data.

Answer

Filtering can only be done on one column of data, while searching can be done on multiple columns.

Answer

Filtering is used for numerical data, while searching is used for text data.

Question 45

Which of the following is NOT a benefit of using data manipulation techniques?

Accepted Answer

Data manipulation can make data more difficult to understand.

Answer

Data manipulation can make data more accessible.

Answer

Data manipulation can make data more accurate.

Answer

Data manipulation can help identify patterns and trends.

Question 46

What is the purpose of using a filter?

Accepted Answer

To select specific rows from a dataset that meet a given condition.

Answer

To sort data in a specific order

Answer

To find the maximum or minimum value in a dataset

Answer

To remove duplicate rows from a dataset

Question 47

What is the purpose of using a search function?

Accepted Answer

To find and retrieve specific data within a dataset that matches a given criteria.

Answer

To remove duplicate rows from a dataset

Answer

To filter data based on a criterion

Answer

To sort data in a specific order

Question 48

Which of the following is NOT a benefit of using data manipulation techniques?

Accepted Answer

Data manipulation can lead to data loss.

Answer

Data manipulation can make data more useful.

Answer

Data manipulation can make data more consistent.

Answer

Data manipulation can make data more accurate.

Question 49

Which of the following is NOT a basic data manipulation technique?

Accepted Answer

Deleting data

Answer

Filtering data

Answer

Searching data

Answer

Sorting data

Question 50

What is the primary purpose of sorting data?

Accepted Answer

To arrange data in a specific order

Answer

To find specific data

Answer

To remove duplicate data

Answer

To group data into categories

Question 51

What is the key difference between filtering and searching data?

Accepted Answer

Filtering selects data based on specific criteria, while searching locates specific data within a dataset

Answer

Filtering is used to remove duplicate data, while searching is used to find data

Answer

Filtering is used to group data, while searching is used to find data

Question 52

Which data type is commonly used for filtering data based on true or false conditions?

Accepted Answer

Boolean

Answer

Float

Answer

String

Answer

Integer

Question 53

What is the main purpose of using a loop when manipulating data?

Accepted Answer

To repeat a task a specified number of times

Answer

To find data

Answer

To store data

Answer

To sort data

Question 54

Which data structure is best suited for storing data in a specific order and allowing for efficient insertion and deletion of elements?

Accepted Answer

Linked list

Answer

Queue

Answer

Stack

Answer

Array

Question 55

In the context of data manipulation, which of the following is a common real-world application of data analysis and reporting?

Accepted Answer

Analyzing sales data to identify sales trends

Answer

Editing images

Answer

Developing video games

Answer

Designing websites

Question 56

When manipulating data, it is important to consider the ethical implications. Which of the following is a key ethical concern?

Accepted Answer

Ensuring data privacy and accuracy

Answer

Optimizing computational efficiency

Answer

Complying with software licensing agreements

Answer

Maintaining hardware compatibility