TAILIEUCHUNG - Lecture Digital logic design - Lecture 18: Recap

The following will be discussed in this chapter: Number system/inter-conversion, complements; boolean algebra; more logic functions: NAND, NOR, XOR; minimization with karnaugh maps; more karnaugh maps and don’t cares; NAND and XOR implementations; circuit analysis and design procedures; binary adders and subtractors; magnitude comparators and multiplexers; encoders, decoders and demultiplexers. | DLD Lecture 18 Recap Give qualifications of instructors: DAP teaching computer architecture at Berkeley since 1977 Co-athor of textbook used in class Best known for being one of pioneers of RISC currently author of article on future of microprocessors in SciAm Sept 1995 RY took 152 as student, TAed 152,instructor in 152 undergrad and grad work at Berkeley joined NextGen to design fact 80x86 microprocessors one of architects of UltraSPARC fastest SPARC mper shipping this Fall Recap Number System/Inter-conversion, Complements Boolean Algebra More Logic Functions: NAND, NOR, XOR Minimization with Karnaugh Maps More Karnaugh Maps and Don’t Cares NAND and XOR Implementations Circuit Analysis and Design Procedures Binary Adders and Subtractors Magnitude Comparators and Multiplexers Encoders, Decoders and DeMultiplexers Digital Signals Decimal values are difficult to represent in electrical systems. It is easier to use two voltage values than ten. Digital Signals have two basic states: 1 (logic “high”, or H, or “on”) 0 (logic “low”, or L, or “off”) Digital values are in a binary format. Binary means 2 states. A good example of binary is a light (only on or off) on off Power switches have labels “1” for on and “0” for off. Number Systems Decimal is the number system that we use Binary is a number system that computers use Octal is a number system that represents groups of binary numbers (binary shorthand). It is used in digital displays, and in modern times in conjunction with file permissions under Unix systems. Hexadecimal (Hex) is a number system that represents groups of binary numbers (binary shorthand). Hex is primarily used in computing as the most common form of expressing a human-readable string representation of a byte (group of 8 bits). Number Systems System Base Symbols Used by humans? Used in computers? Decimal 10 0, 1, 9 Yes No Binary 2 0, 1 No Yes Octal 8 0, 1, 7 No No Hexa- decimal 16 0, 1, 9, A, B, F No No Conversion Among Bases The possibilities:

• Điện - Điện tử
• Number systems
• Digital logic design
• Lecture Digital logic design
• Digital design
• Digital logic
• Digital system
• Boolean algebra
• Queueing system
• nite number
• shop assistants
• a forming of queues
• Queueing systems
• without queues
• Some general types
• stochastic processes Download free ebooks at bookboon
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• Probability Examples c 9 – Stochastic Processes 2 © 2009 Leif Mejlbro & Ventus Publishing ApS ISBN 978 87 7681 525 7 Download free ebooks at bookboon
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• Stochastic Processes 2 Contents Contents Introduction 1 1
• 1 1
• 2 1
• 3 1
• 4 1
• 5 1
• 6 1
• 7 2 3 4 5 Theoretical background The Poisson process Birth and death processes Queueing theory in general Queueing system of innitely many shop assistants Queueing system of a nite number of shop assistants
• and with forming of queues Queueing systems with a nite number of shop assistants and without queues Some general types of stochastic processes The Poisson process Birth and death processes Queueing theory Other types of stochastic processes Index 5 6 6 8 11 11 12 15 17 19 37 52 117 126 The next step for top performing gradua
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