How many kilobytes in a megabyte? 1024
How many kilobytes in a gigabyte? 1024*1024
How many megabytes in 4 terabytes?1024*1024*4
How many bits in a petabyte?8*1024*1024*1024*1024*1024
What is base-10, 2 and 16? Base 10 is denary numbers, base 2 is decimal and base 16 is hex.
Where is hex used and why? Hex is used as a more easy to read binary system as it only uses two characters for an 8-bit number rather than 8.
