Binary (1)

Multiple Choice

What is a Binary Digit?

• two letters

• a 1 or a 0

• two numbers added together

• a type of animal

Multiple Choice

How many symbols are there in the alphabet?

• 12

• 36

• 26

• 52

Multiple Choice

What do we call the symbols used for numbers?

• letters

• alphabet

• maths

• digits

Multiple Choice

Where does the word bit come from?

• binary bit

• bitcoin

• binary digit

• bingo bit

Multiple Choice

With every additional bit added to a sequence, the number of possible bit sequences.....

• doubles

• halfs

• has three times as many

• stays the same

Multiple Choice

What is telegraphy?

• A system of sending messages using text messages

• A system of sending messages using email

• A system of sending messages using bits

• A system of sending messages using punched holes

Multiple Choice

How many bits were used to send messages in telegraphy?

• 2

• 5

• 7

• 9

Multiple Choice

What does ASCII stands for?

• Amazonian Standard Code for Information Interchange

• American Standard Code for Information Interchange

• American System Code for Information Interchange

• American Standard Code for Information Inventions

Multiple Choice

How many bits does ASCII use?​​

• 1

• 2

• 5

• 7

• 9

Multiple Choice

How many states can an on / off switch have?​​

• 0

• 1

• 2

• 3

Open Ended

Explain why computers and all digital devices use binary to make them work.

Include the words bits and switches in your answer.

Open Ended

Explain two things you have learnt about binary in today's lesson.

Open Ended

Challenge Task:

Explain in your own words how a computer uses binary numbers to make it work.