Year 8 - Binary & Denary

What are the only two numbers you can use in binary?

• 0 and 1
• 1 and 2
• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
• 1, 2, 4, 8, 16

Tags

CCSS.4.NBT.A.2

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

Tags

CCSS.2.NBT.A.3

What is the denary number system?

• It counts the number of dens
• Our usual base 10 number system
• A special number system for computers
• Den Ary's number system

What is the point of binary?

• It represents how computers interpret electrical signals
• Because we like to make you do extra maths ;-D
• For the lulz
• Because it describes star systems

What is 1011 in denary?

• 11
• 14
• 26
• 1011

Computers can only understand 0s and 1s.

• True
• False

Binary is made up of which numbers 

• 3 and 4.
• 2 and 3.
• 1 and 2.
• 0 and 1.

A bit is 

• a numerical label assigned to each device.
• the smallest unit of data in a computer.
• a keyboarding term for typing.
• is a numeral system made up of 16 symbols.

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

Tags

CCSS.5.NBT.A.2

Which of the following devices uses binary code?

• Calculator
• Train
• Typewriter
• Sewing Machine