Autumn 2 Revision: Binary, ASCII, E-Safety & Digital Footprint

Multiple Choice

What is Binary?

• Binary is a base-10 numeral system using 0 to 9.
• Binary is a system that uses letters A and B.
• Binary is a method of storing data in decimal format.
• Binary is a base-2 number system using 0 and 1.

Multiple Choice

What is Denary?

• Denary is the decimal number system, base-10.

• Denary is a term used for the octal numeral system, base-8.
• Denary refers to the hexadecimal numeral system, base-16.
• Denary is a binary numeral system, base-2.

Multiple Choice

What are the Binary Digits 0 and 1 called?

• bits
• kilobytes
• nibbles
• bytes

Multiple Choice

How Do Computers Communicate?

• Computers communicate using spoken language.
• Computers only communicate through visual displays.
• Computers communicate using binary code and electrical signals.

• Computers use analog signals for communication.

Multiple Choice

Convert Binary 00110100 to Denary

• 54
• 50
• 48
• 52

Multiple Choice

Convert Binary 1001101 to Denary

• 77
• 79
• 78
• 76

Multiple Choice

Convert Denary 97 to Binary

• 1011111
• 1100000
• 1110001
• 1100001

Multiple Choice

Convert Denary 62 to Binary

• 111101
• 111111
• 110110
• 111110

Multiple Choice

Convert Denary 128 to Binary

• 00000000
• 01111111
• 10000001
• 10000000

Multiple Choice

What does ASCII refer to?

• American Standard Code for Internet Communication
• Advanced Standard Code for Information Interchange
• American Standard Code for Information Connection
• American Standard Code for Information Interchange

Multiple Choice

Convert ASCII Character "T" to Binary

• 1001000
• 1010100
• 1011000
• 1100100

Multiple Choice

Convert ASCII Character "c" to Binary

• 1100010
• 1100011a
• 1011001
• 1100011

Multiple Choice

True or False. ASCII can represent all possible languages and symbols.

• False
• True

Multiple Choice

Convert Binary 01001000 to ASCII

• F
• G
• H
• J

Multiple Choice

Convert Binary 01000101 to ASCII

• E
• C
• B
• A

Multiple Choice

Convert Binary 01011001 to ASCII

• X
• Z
• A
• Y

Multiple Choice

Combine the answers to the last 3 questions, what word does it form?

• HEJ

• TOO

• HEY

• WEL!

Multiple Choice

What is digital footprint?

• A digital footprint is a type of online security measure.
• A digital footprint is the trail of data and information you leave behind on the internet.

• A digital footprint refers to the physical location of a device.
• A digital footprint is the amount of data stored on a hard drive.

Multiple Select

What should you avoid sharing publicly on social media?

• A photo of your favourite hobbies

• Fun facts about yourself

• Inspirational quotes

• Your home address, phone number and personal details

Fill in the Blank

How can digital footprint affect your future?

,

Multiple Choice

What is E-safety?

• E-safety is a type of online marketing.
• E-safety refers to the use of social media only.
• E-safety is about improving internet speed.
• E-safety is the practice of being safe and responsible while using the internet.

Multiple Select

How can you stay safe online?

• Share your passwords with friends
• Use strong passwords, enable two-factor authentication

• Ignore all security updates
• Click on any pop-up ads you see
• Be cautious of suspicious links.

Multiple Choice

What should you do if you encounter suspicious messages or activities online?

• Ignore the messages and continue browsing.
• Respond to the messages to gather more information.
• Share the messages with friends for their opinions.
• Report the suspicious messages and avoid interacting with them.