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Digital Logic (Boolean Algebra (Boolean Variables and Operations (Makes…
Digital Logic
Boolean Algebra
Mathematical discipline (môn) used to design and analyze the behavior of the digital circuitry in digital computers and other digital systems
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Claude Shannon suggested Boolean algebra could be used to solve problems in relay-switching circuit design
Is a convenient tool
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Design
Given a desired function, Boolean algebra can be applied to develop a simplified implementation of that function
Investigated Set: B = { False, True } = { F, T} = {0,1}
Basic Operator: AND (.), OR (+), NOT
Other operators: NAND (Not And), NOR (Not Or), XOR ( Exclusive OR)
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Boolean Operators & Basic Identities of Boolean Algebra: Xem slide 7, 8 bài 11
Gates
Xem slide 9, 10 bài 11
Combinational Circuit
An interconnected set of gates whose output at any time is a function only of the input at that time
The appearance of the input is followed almost immediately by the appearance of the output, with only gate delays
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