1. a) 000, 001, 010, 100, 011, 101, 110, 111 
   b) 104
   c) 7C
   d) 10001
   e) 11
   f) 21
   g) 122
   h) 18

2.       Initial     Dec.     Hex     Octal     Binary
 First:    D          68       44      104      01000100
   Mid:    L          76       4C      114      01001100
  Last:    W          87       57      127      01010111

3.     Old Dec.     New Dec.     ASCII           Hex      Binary     Complement
        (68-5)        63          ?              3F      00111111     11000000
       (76+10)        86          V (U case)     56      01010110     10101001
       (87+32)        119         w (L case)     77      01110111     10001000

4.    Complement     1's Comp     2's Comp     Sign Mag.     Offset 128
       11000000        -63          -64          -64           -64
       10101001        -86          -87          -41           -87
       10001000        -119         -120         -8            -120

5. a) Grayish Blue
   b) Light Green
   c) Slate
   d) Light Brown
   e) Purple
   f) Light Gray
   g) It lightens the color

6. a) 15
   b) 32,769
   c) 29
   d) 536,870,913
   e) 1,048,576
   f) 2,097,152
   g) 34

7. a) 300,000,000,000
   b) 200,000,000
   c) .0000000002 seconds
   d) 2 GHz
   e) 200 Mhz

8. (AB + C') + (BC)
                   A   B   C   C'   AB   BC   Output
                   0   0   0   1    0    0     1
                   0   0   1   0    0    0     0
                   0   1   0   1    0    0     1
                   1   0   0   1    0    0     1
                   0   1   1   0    0    1     1
                   1   0   1   0    0    0     0
                   1   1   0   1    1    0     1
                   1   1   1   0    1    1     1

9.       Sum = (A xor B) xor C
   Carry Out = AB + (C*(A xor B))

10.      Sum = (A'B') * (C')
   Carry Out = (A' + B') * (C' + (A'B'))