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Unformatted text preview: blocks. Contraction involves application of value-fixing to the inputs of existing blocks and simplification of the resulting circuits. These circuits perform operations such as incrementing a number, decrementing a number, or multiplying a number by a constant. Many of these new functional blocks are used to construct sequential functional blocks in Chapter 7. In the generic computer diagram at the beginning of Chapter 1, adders, adder-subtractors, and multipliers are used in the processor. Incrementers and decrementers are used widely in other components as well, so concepts from this chapter apply across most components of the generic computer. Iterative Combinational Circuits Example: Binary Adder Full Adder: Binary Ripple Carry Adder:...
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- Spring '10
- Addition, Elementary arithmetic, Functional Blocks, Combinational Circuits