1a
128
64
32
16
8
4
2
1
0
0
0
1
0
0
1
1

1b
128
64
32
16
8
4
2
1
0
1
1
0
0
0
0
0

1c
128
64
32
16
8
4
2
1
1
1
1
1
1
0
1
0

2a
8
4
2
1
0
1
1
1

4+2+1=7

2b
2048
1024
512
256
128
64
32
16
8
4
2
1
1
0
1
1
0
1
0
0
0
0
1
1

2048+512+256+64+2+1=2883

3a
32768
16384
8192
4096
2048
1024
512
256
128
64
32
16
8
4
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

1111 1111 1111 1111

3b
FFFF

3c
2^16=65536

4a
-2^n-1 to 2^n-1 -1

-2^8-1 to 2^8-1 -1

-2^7 to 2^7 -1

-128 to 127



4b
-2^n-1 to 2^n-1 -1

-2^16-1 to 2^16-1 -1

-2^15 to 2^15 -1

-32768 to 32768

-32768 to 32767
5a
1010 1110 1011
A	E	B

5b
1110	0110
E	   6

5c
1100 1010 1111 1110 1011 1010 1011 1110
C         A      F       E      B      A      B       E

6a
00101+10110=011011

6b
100111+100101+000001
100111+100101=01001100
01001100+0000001=01001101

7a
10011011+11100100=01111111

7b
10101011+11001011=01110110

7c
10001100-10111111=doesn’t work

7d
01010101-00101100=doesn’t work

8a
0xFF
binary 1111 1111
decimal 255

8b
0xB0
binary 1011 0000
decimal 176

8c
0x1212h
binary 0001 0010 0001 0010
decimal 4626

8d
0xFACE
binary 1111 1010 1100 1110
decimal 64206