Binary Basics + shifts

Which of these are the correct place values for binary?

• 128,64,32,16,8,4,2,1

• 128, 68,34,12,6,4,2,1

• 1,0

• 0,1

Convert 11111111 to decimal

• 255
• 245
• 235
• 225

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

How would you write the number two in binary?

• 1001
• 0001
• 0000
• 0010

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 would you write the number 4 in binary code?

• 0100
• 0000
• 0001
• 0010

Convert 11111111 to decimal

• 255
• 245
• 235
• 225

Convert 128 to binary

• 10000000
• 01111110
• 10000001
• 11001100

10 can be read as what decimal number?

• 10
• 1
• 4
• 2

Convert this to a decimal number

• 13
• 12
• 10
• 8