Unit 1: Binary and Denary

· How is our number system different from the binary system?

• Our number system is base 5; the binary system is base 3

• Our number system is base 10; the binary system is base 2

• Our number system is base 10; the binary system is base 1

• Our number system is base 100; the binary system is base 2

What is the point of binary?

• It represents how computers interpret electrical signals

• Because we like to make you do extra math

• Because it describes star systems

• It is fun

Which of these is the correct sequence for the place values for binary numbers?

• 1, 2, 4, 8, 16, 32, 64, 128

• 1, 2, 4, 6, 8, 10, 12, 14, 16

• 1, 2, 3, 4, 5, 6, 7, 8

• 0, 1

What kind of 'base' system is binary known as?

• Base 12

• Base 8

• Base 2

• Base 10

What kind of 'base' system is denary known as?

• Base 12

• Base 8

• Base 2

• Base 10

Which of these is the correct sequence for the place values for denary numbers?

• 1, 2, 4, 8, 16, 32, 64, 128

• 1, 2, 3, 4, 5, 6, 7, 8

• 0, 1

• 1,10,100,1000,10000

What is each digit in a byte called?

• number

• bit

• digit

• dot

Bit stands for

• binary data

• binary digit

• binary dot

Binary uses 1s & 0s to represent data

• True
• False

Convert 65 in denary to binary

• 01100001
• 00100001
• 01000001
• 00100101