1. Binary Lesson 3 Hexadecimal

2. Counting to 15
Base Base Base 16 Base Base Base 16 Two Ten (Hex) Two Ten (Hex) A B C D E F 2

3. 1 0 0 1 Four Bits Make a Nybble 8s 4s 2s 1s
A nybble can be represented by one hexadecimal digit
Values from 0 to 15, or 0 to F 8s 4s 2s 1s

4. 1 0 0 1 1 0 0 1 Eight Bits Make a Byte 8s 8s 8s 8s 4s 4s 4s 4s 2s 2s
So this number is
= 153
128s
64s
64s
32s
32s
32s
16s
16s
16s 8s 8s 8s 8s 4s 4s 4s 4s 2s 2s 2s 1s 1s
One nybble:
0 through F
One nybble:
0 through F

5. Two hexadecimal digits make a byte
So this number is $99 = 9* = = 153
One nybble:
0 through F
# of 16s
One nybble:
0 through F
# of 1s

6. Binary iClicker Questions

7. What is 6 in hexadecimal?
$0A
$06
$60
$66
$A6
1 of 6

8. What is $15 in decimal? 9 15 20 21 31
2 of 6

9. What is 32 in hexadecimal?
$32
$20
$10
$24
$30
3 of 6

10. What is 63 in hexadecimal?
$63
$60
$40
$3F
$39
4 of 6

11. What is $F0 in decimal? 15
150
255
240
224
5 of 6

12. What is $80 in decimal? 80
100
128
192
224
6 of 6