revision Flashcards
1
Q
how do you convert binary to denary
A
if the number fits on the 8-bit numbers column then subtract it
2
Q
what are the first denary numbers
A
1 2 4 8 16 32 64 128
3
Q
how do you add binary numbers
A
you look at the top Colum and if there is a 1 you add it with a nother digit that has a 1 below it
4
Q
how do you bit shift and what is it
A
bit shift is where you move the denary number to the left or right to divide or times the original number
5
Q
how do you convert denary to binary
A
to convert denary to binary you find what 8-bit number that has a 1 below it then add them all togethere
6
Q
what is modulus
A
it gives you the remainder
7
Q
what is integer division
A
the number from division that is not a remainder
8
Q
what is hexadecimal
A
the first 16 digits from 0 to 15 then after 9 it goes to abc
