Number Bases

Question 1

Hexadecimal

Answer 1

Base 16

Question 2

479 base 10 ->hexadecimal
EG: decimal to hexadecimal

Answer 2

1. 479 divide 16= 29 . 9375 (29 is integer)
2. then remainder divided by 16. So 16 x 0.9375=15
3. Then 29 divided 16= 1.8125
4. Remainder 1 x 0.8125=13
   // you don’t have to do when you get a 0
5. 1 divide 16=0.0625
   Then 16 x 0.0625 = 1

Get all remainders so 1,13,15
1.= 1
13 = D
15=F

Answer = 1DF

Question 3

Signed magnitude

Answer 3

If last number is
0 : +
1: -

Question 4

Express -6 using signed magnitude

Answer 4

-6 : 1110

Question 5

Singed magnitude means?

Answer 5

2^n-1 n means number of bits.

Question 6

Twos complement binary

Answer 6

Basically replace every 0 with a 1 and vice versa
Then and 1 to last digit and vwala you have your answer.