Binary lesson 1

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

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

• 128,64,32,16,8,4,2,1
• 1, 2, 4, 6, 8, 32,64,128
• 1, 2, 3, 4, 5, 6, 7, 8
• 0, 1

What is the point of binary?

• Everything that goes into a computer must be stored in 0's and 1's
• It is the way hardware is made
• It is the base 5 system
• Because it describes star systems

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

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.

A group of 8 bits is known as a gigabyte.

• True
• False

Convert 11111111 to decimal

• 255
• 245
• 235
• 225

How would you write the number two in binary?

• 0001 1001
• 0000 0001
• 00000000
• 0000 0010

Convert 0010 0100 to decimal

• 26
• 36
• 46
• 56

Convert 37 to binary

• 0010 0101
• 0010 0011
• 0010 0111
• 0100 0101