'Bit code' diaporamas de présentation

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CHAPTER 6

CHAPTER 6. DATA COMMUNICATIONS. Components of a Basic Data Communications Link. Data Networks Terminology. Data Network Collaborative environment that provides worldwide access to corporate data Network Architecture

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comp.nus.sg/~cs2100/

http://www.comp.nus.edu.sg/~cs2100/. Lecture #18. MSI Components. Lecture #18: MSI Components. Introduction Decoders Encoders Demultiplexers Multiplexers. 1. Introduction (1/2).

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Outline

Outline. Decoder Encoder Mux. Decoder. Accepts a value and decodes it Output corresponds to value of n inputs Consists of: Inputs (n) Outputs (2 n , numbered from 0 ? 2 n - 1) Selectors / Enable (active high or active low). The truth table of 2-to-4 Decoder. 2-to-4 Decoder.

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Decoders

Decoders. Outline. Useful MSI circuits Decoders Implementing Functions with Decoders Decoders with Enable Larger Decoders Standard MSI Decoders Implementing Functions with Decoders. Outline. Useful MSI circuits Decoders Implementing Functions with Decoders Decoders with Enable

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Huffman Codes

Huffman Codes. Encoding messages . Encode a message composed of a string of characters Codes used by computer systems ASCII uses 8 bits per character can encode 256 characters Unicode 16 bits per character can encode 65536 characters includes all characters encoded by ASCII

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ECEN4533 Data Communications Lecture #39 15 April 2013 Dr. George Scheets

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Huffman Codes

Huffman Codes. Encoding messages. Encode a message composed of a string of characters Codes used by computer systems ASCII uses 8 bits per character can encode 256 characters Unicode 16 bits per character can encode 65536 characters includes all characters encoded by ASCII

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Location-aware Computing

Location-aware Computing. By Bonam Kim. Outline. Introduction Motivation Location Determination Techniques Location-aware Services Example for Implementation Conclusion. 1.Introduction.

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Location-aware Computing

Location-aware Computing. By Bonam Kim. Outline. Introduction Motivation Location Determination Techniques Location-aware Services Example for Implementation Conclusion. 1.Introduction.

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Digital Logic Design

Digital Logic Design. Lab 1,2. Exercise s. Q 1.3 Convert the following numbers with the indicated bases to decimal : (b) (735 ) 8. (735 ) 8 = 7 * 8 2 + 3 * 8 1 + 5 * 8 0 = 477 10. Exercise s.

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EECE 320 Digital Systems Design Lecture 2: Number Systems and Codes

EECE 320 Digital Systems Design Lecture 2: Number Systems and Codes. Ali Chehab. Number Systems and Codes. A digital designer must establish a correspondence between binary digits and real-life numbers, events and conditions. Positional Number Systems.

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Kernel Mode Code Signing in x-64 Windows Vista

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Computer Codes

Computer Codes. How data is Represented in computer system?. Computer Codes. Bit & Byte : In binary coding, every symbol that appears in the data is represented by a group of bits . The group of bits used to represented a symbol is called a byte.

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Sequential System Synthesis -- State Encoding

Sequential System Synthesis -- State Encoding. The State Encoding Problem. Goal: Given n states, assign a unique code (of length of at least ?log n?) to each state such that the cost of binary logic level implementation is minimized. ( state assignment problem ) Cost of the implementation:

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Chapter 3: Pulse Code Modulation

Chapter 3: Pulse Code Modulation. Pulse Code Modulation Quantizing Encoding Analogue to Digital Conversion Bandwidth of PCM Signals. Huseyin Bilgekul Eeng360 Communication Systems I Department of Electrical and Electronic Engineering Eastern Mediterranean University.

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Functions of the Data Link Layer

Functions of the Data Link Layer. Provide service interface to the network layer Dealing with transmission errors Regulating data flow Slow receivers not swamped by fast senders. Functions of the Data Link Layer (2). Relationship between packets and frames. Errors in transmission.

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Data Compression and Huffman Trees (HW 4)

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Arithmetic For Computers

Arithmetic For Computers. Chapter 3. Topics for discussion. Number system: { radix/base, a set of distinct digits, operations} Radix conversion ASCII versus binary representation Signed arithmetic; sign extension Bounds check; validation Addition and subtraction algorithms

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