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DerekChiou_EE306_Spring2009_Lecture5_afterLecture

DerekChiou_EE306_Spring2009_Lecture5_afterLecture - Real...

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© Derek Chiou 306: Logical Equations and Gates Prof. Derek Chiou University of Texas at Austin
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2/4/2009 © Derek Chiou : EE306: Lecture 5 Recap Review floating point Discuss ASCII Subtracting Logical Equations Outline Floating point with an exponent of all 1s Truth tables to logical equations Continuing with gates
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Clarification Positive numbers in all representations (signed  magnitude, 1s complement, 2s complement) 2/4/2009 © Derek Chiou : EE306: Lecture 5
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Floating Point Details 2/4/2009 © Derek Chiou : EE306: Lecture 5 S Exponent Mantissa (fraction) 1 8 23 If (1<=exponent<=254) then N = (-1) S * 1.fraction * 2 exponent-127 If (exponent == 0) then N = (-1) S * 0.fraction * 2 -126 If ((exponent == 255) AND (fraction==0) then N = (-1) S * infinity If ((exponent == 255) AND (MSB(fraction)==1) then N = QNaN If ((exponent == 255) AND (MSB(fraction)==0) then N = SNaN
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OR Gate 2/4/2009 © Derek Chiou : EE306: Lecture 5
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Real OR Gate 2/4/2009 © Derek Chiou : EE306: Lecture 5
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Unformatted text preview: Real AND Gate 2/4/2009 © Derek Chiou : EE306: Lecture 5 How We Draw Gates 2/4/2009 © Derek Chiou : EE306: Lecture 5 More Than 2 Input Gates 2/4/2009 © Derek Chiou : EE306: Lecture 5 DeMorgan’s Laws NOT((NOT(A) AND NOT(B)) = A OR B Corresponding Law? 2/4/2009 © Derek Chiou : EE306: Lecture 5 Decoder 2/4/2009 © Derek Chiou : EE306: Lecture 5 Mux 2/4/2009 © Derek Chiou : EE306: Lecture 5 4 Input Mux 2/4/2009 © Derek Chiou : EE306: Lecture 5 Truth Tables to Logical Equations Full adder 2/4/2009 © Derek Chiou : EE306: Lecture 5 PLA Structure 2/4/2009 © Derek Chiou : EE306: Lecture 5 Storage: RS Latch 2/4/2009 © Derek Chiou : EE306: Lecture 5 Storage: RS Latch 2/4/2009 © Derek Chiou : EE306: Lecture 5 Gated D Latch 2/4/2009 © Derek Chiou : EE306: Lecture 5 Register 2/4/2009 © Derek Chiou : EE306: Lecture 5 2/4/2009 © Derek Chiou : EE306: Lecture 5 2/4/2009 © Derek Chiou : EE306: Lecture 5...
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DerekChiou_EE306_Spring2009_Lecture5_afterLecture - Real...

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