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what are the only things the computer can understand
0 and 1
why does the computer only understand 0 and 1
because 1 means on and 0 means off
what are the 3 ways to write on a computer
denary
binary
hex
what does denary mean
normal numbers
What does binary mean
numbers in the form of 0 and 1
what does hex mean
numbers with a base of 16 and from 10 go up in the alphabet
what are the binary numbers from 1 to 128
1,2,4,8,16,32,64,128
how do you convert binary to denary
for each column with the value 1 for it, add the number the column represents
how do you convert binary to hex
slip the number in half then find the denary number it represents, then convert that number to hex and put you 2 digests back together
how do you convert hex to binary
split the hex digit in half and convert each one back to binary
how do you convert hex to denary
split the digit in half For any number, times it by 16, if it is a letter, keep the number of the letter as it is. finally, add all of your numbers
how do you convert denary to hex
follow the picture
how do you convert denary to binary
find all the numbers out of 1, 2, 4, 8, 16, 32, 64 and 128 that need to be added to create you number. add a 1 to the column that you need to add. then add a 0 to the column you don’t.
Note 
Flashcard (85)