'Even positions' diaporamas de présentation

CSC 335 Data Communications and Networking

CSC 335 Data Communications and Networking. Lecture 5: Error Detection, Error Correction, and Data Security Dr. Cheer-Sun Yang. Motivation. Error can occur during transmission. Signal can be distorted and cause sampling errors. Sender sends a 1101, receiver can receive 1001 .

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Chapter 2 Basic Encryption and Decryption

Chapter 2 Basic Encryption and Decryption. A. B. plaintext. plaintext. encryption. encrypted transmission. ciphertext. decryption. Encryption / Decryption. A: sender; B: receiver Transmission medium

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Ways to Check for Divisibility

Divisibility Rules. Ways to Check for Divisibility. Dividing by 2. All even numbers are divisible by 2 Even numbers are numbers that end with either 2, 4, 6, 8, or 0. Now You Try. 458 1279 759 555 1050. Are these numbers divisible by 2?. Dividing by 3. Add up the digits of the number

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Division by 2

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