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B.Tech. IT 6th Sem Subject: Introduction to Information Technology
UNIT - 1 Uncertainty, Information and Entropy Information Measures, Characteristics on information measure, Shannon’s concept of information, Shannon’s measure of information, Model for source coding theorem, Communication system, Source coding and line/channel coding, channel models, channel mutual information capacity (Bandwidth).
UNIT - 2 Channel coding, Theorem for discrete memory less channel, Information capacity theorem, Error detecting and error correcting codes, Types of codes, Block codes, Tree codes, Hamming codes, Description of linear block codes by matrices, Description of linear tree code by matrices, Parity check codes, Parity check polynomials.
UNIT - 3 Compression Lossless and lossy, Huffman codes, Binary Image compression schemes, Runlength Encoding, CCITT group-3 1D compression, CCITT group-3 2D compression, CCITT group-42D compression.
UNIT - 4 Video Image Compression, Requirement of full motion video compression, CCITT H 261video coding algoritham, MPEG compression methodology, MPEG-2 compression, Audio (Speech)compression.
UNIT - 5 Cryptography, Encryption, Decryption, Cryptogram (cipher text), Concept of cipher, Cryptanalysis, Single key (Secret key), two-key (Public key) cryptography, Single key cryptography, Ciphers, Block Cipher code, Stream ciphers, Requirements for secrecy, The data Encryption Standard, Public key Cryptography, Diffie-Hellmann public key distribution, The Rivest-Shamin Adelman(R-S-A) system for public key cryptography, Digital Signature.
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