Bits and Bytes

1. What is a Digit?

Either a zero and a one

2. “normal” counting numbers used in everyday life a based on what sequence of numbers? 0,1,2,3,4,5,6,7,8,9

3. Where does the word bit originate from?
The word bit originates from

4. Binary numbers don’t use base 10.
What base do they use?
 2
5.What digits are available in base 2?
 0 and 1

6.Write the following numbers in binary (base 2)

21= 10101

24=11000

30=11110

7. What is a byte?
A byte is made out of eight bits


8. How many bytes in a kilo, mega, giga and tera bytes.

100bytes=1 kilobyte

1000 kilobytes =1 megabyte

1000 mega bytes = 1 gigabyte

1000 gigabytes = 1 terabyte


9. Complete the following conversions;

1000 Mb = 1Gb

500 Gb =  500 000Mb

5000 Kb =5Mb