Data Representation - Lesson 1

Why do people write things down? Tick the three correct answers.

• To store information across time

• To communicate information across distance

• To process it

• To avoid having to remember things

What is the focus of today's lesson?

• The history of writing

• How symbols can be used to store, communicate, and process information

• The different types of humans in the past

• The evolution of language

What do computers use to represent information?

• Algorithms

• Robots

• Sequences of symbols

• Hopes and dreams

What can sequences of symbols represent?

• Only numbers and letters

• Only simple concepts

• Only things that exist in the physical world

• Any piece of information

What is the meaning of the symbol "dab" in the context of the source?

• Only a type of fish

• Only a gentle touch or stroke

• Only a dance move

• All of the above and more

Write a line of Python code to output:

Hello World!

What is phishing? (Last term)

• Sending fake emails pretending to be a reputable source to collect data

• A lovely way to spend an afternoon

• A storage device

• A graphics card

What is the pair of Python keywords that allow use to use selection?

• if/else

• us/them

• in/out

• up/down

Chose one method of protection for digital devices

• Firewall

• Icedoor

• Custardgate

• Soilwindow

What is social engineering?

• Manipulating people into handing over personal information

• Tripping up your friends on the corridor

• Hacking into someone else computers to steal data

• Setting up cyber security protection methods