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Unit 3 : Numerical Computing : Number representation, errors in computation, analysis procedures and error estimation, interpolation, root finding, linear systems of equations, differentiation and integration.

Unit 4 : Switching Theory and Digital Design : Logic functions, Boolean algebra, simplifications, Gates, implementation of logical functions, design of combinational and sequential circuits, flip-flops, registers, encoder, decoder, code converters, counters, design with integrated circuits including ROM, PLA and multiplexers, microprocessors, architectures, programming study of 8085/8086.

Unit 5 : Programming and Data structures:PASCAL - data types, control statements, procedures, Scope rules, arrays and records, enumarated data types, sets, pointers, recursion.

Arrays, queues, linked lists, stacks, tree traversal, evaluation of expressions using postfix notation, sorting algorithms, bubble sort, quick sort, heap sort, complexity of algorithms.

Unit 6 : Computer Organization: Function organization , machine instructions, addressing modes, introduction to microprocessors, study of 8085/8086 communication between processor and I/C via DMA and interupt priority, I/O processors, problems associated with bus scheduling. Micro computer memory, virutal memory, basic conceps, problems of virutal memory, page replacements algorithms, cache memory, asseciative memory.Fundamentals of parellel processing and its necessity, pipelined processors and multiprocessors.

Unit 7: Systems Software : Editors. loaders, linkers assemblers, phases of a compliler and their function, lexical analysers and parsers, parsing techniques, symbol table, code generation. Operating System: Batch, Multi-programming and time sharing systems, processor memory, device and file management, virtual memory, process scheduling, inter process communication, I/O redirection, process synchronization and concurrency, deadlocks, preventions, avoidance, detection and recovery, auxiliary storage management, file system functions and its hiererchy.

Unit 8: Data Processing Comcepts : File organisation techniques: indexing, relational and network data models, study of dBase III + as a relational DBMS. Data dictionary, normal forms and query languages - COBOL programming.

Unit 9 : Computer Networks : Data communication concepts, concepts of LAN, evolution of LAN, OSI - 7 layer refrence model and design issues. Physical layer-transmission media, packet and circuit switching, topolagies, Data link layer, token passing, sliding wondow protocols, protocols specification and verification, network layer, routing, congestion control, transport layer, session and prsentation layers, design issues, application layer, file transer electronic mail.

Unit 10 : Software Engineering and Applications : Systems analysis, detailed analysis, feasibility study, tools for system designer, input and output design, program defination, module design and design review, structured programming and conversion, testing, training and documentation, systems life cycle, role of System Analyst.