The Binary Number System

What number system do we normally use, why?

What number system do computers normally use, why?

What are "bits" and "bytes"?

 
 		
		






Kilobyte (KB):  1,024 bytes




Megabyte (MB):  1,048,576 bytes




Gigabyte (GB):  1,073,741,824 bytes




Terabyte (TB): 1,099,511,627,776 bytes

How many different values can be represented with

• 1 bit?

• 2 bits?

• 3 bits?

• 8 bits / 1 byte?

• n bits?

  What is the decimal value of the binary number 11000110?