Topics from Chapter 3: Arithmetic for Computers
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Integer Addition and Subtraction
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Advantage of the 2's complement representation for signed numbers
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Role of the 2's complement operation
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ALU Construction
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1-bit ALU
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use of multiplexers
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add/subtract control
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Multibit ALU
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interconnections
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drawback of ripple carry
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Unsigned and signed error indications
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Lookahead Carry
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P and G signals in a 1-bit ALU
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Carry-lookahead unit (CLU) interconnections
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Logic equations for a 4-bit CLU
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Multiplication and Division
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Combined multiplier/divider organization
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Initial setup for operations
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Steps for multiplication and division
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Floating Point
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IEE 754 single and double precision coding
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coding format
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precision and range
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Algorithms for operations