Arduino Quiz #3: Binary and early computers

What does binary distinguish between?

• Numbers and letters

• Colors and shapes

• 1 and 0, on and off, true or false

• High and low frequencies

What is an example of data manipulation by a computer?

• Typing documents

• Watering plants

• Painting a picture

• Building a house

What did the hooks in the Jacquard loom do?

• They transmitted electrical signals

• They passed through holes to weave in specific locations

• They recorded audio

• They printed text

How did the Jacquard loom save time in the weaving process?

• By automating the weaving process

• By reducing the number of threads needed

• By using cheaper materials

• By simplifying the design process

What was the main motivation behind creating machines like the Difference Engine?

• To improve communication

• To enhance artistic expression

• To save time by making machines do calculations

• To explore space

What is the main purpose of using transistors in circuits?

• To increase speed

• To direct the flow of electricity

• To reduce size

• To enhance durability

How many bits are in two bytes?

• 8

• 16

• 32

• 64

What is the main purpose of a computer?

• making music

• programming

• handling, sorting, creating and deleting data.

• playing video games

Why are transistors so important to computers?

Convert 23 to binary.

• 1111

• 10111

• 01101

• 11111