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System level design of digital logic circuits using hardwired and programmable logic devices. ROMs, PROMs, and PLAs. Synchronous and asynchronous circuit design and analysis
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(Chapter 7 Dueck)
Unsigned Binary Arithmetic
(Chapter 7 Dueck)
Signed Binary Numbers – 1
(Chapter 7 Dueck)
Signed Binary Numbers – 2
(Chapter 7 Dueck)
Signed Binary Addition (8-Bit)
bit.
0110 1001
75 0100 1011
30 0001 1110
(Chapter 7 Dueck)
Signed Binary Numbers – 3
(Chapter 7 Dueck)
2’s Complement Form
1011 1000
1
72 0100 1000
1011 0111
1
57 0011 1001
(Chapter 7 Dueck)
DiscardCarryBitfromResult
100001111
65 10111111 10111111
80 01010000 01010000
80 65?
2’s Complement Subtraction
10111111
65 10111110 1
65 01000001
2'scomplimentof 65
(Chapter 7 Dueck)
Excess-3 Code
(Chapter 7 Dueck)
Excess-3 Examples
is the code for an 8.