BBA GCSE Computing
What is binary?
Binary to denary and vice versa!
How to convert from binary to denary and vice versa!
Converting Binary to denary!10000001 is an eight bit (byte) binary number. The first slot on the left, as stated above is 128.
You only count the numbers which have the number 1 in their slot. The first one on the right is 1. Whichever place is on, you add up the corresponding numbers! This one is 129.
Converting denary to binary!
You take a number, say, 35 and you try to make it with binary. You cannot use 128 and 64, but you can use 32. So 35-32=3. We now need to make 3. We cannot use 16, 8 or 4, but you can use 1 and 2! So the binary number will be.... Drum roll please! .......... 00100011!
Thanks for reading!