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ECE213 :Digital Electronics End Term Question Paper -Lpu Question Papers

ECE:213 Digital Electronics End Term Question Paper

ECE 213:Digital Electronics Sample Question Papers with Answers (Click)


Course Outcomes:
 • analyze the basic techniques in designing and implementing digital systems.
 • determine the concept and terminology of digital electronic circuits. 
• discuss about different logic families specially CMOS

Unit I 
Number Systems : Digital Systems, Data representation and coding, Logic circuits, Implementation of digital systems, Number Systems, Codes- Positional number system, Binary number system, Methods of base conversions, Binary arithmetic, Representation of signed numbers, Fixed numbers, Binary coded decimal codes, Gray codes, Error detection code, Parity check codes, octal number system, Hexadecimal number system, Error correction code, Hamming code, Octal arithmetic, Hexadecimal arithmetic, Floating point numbers

Unit II
 Combinational Logic System : Truth table, Basic logic operation, Boolean Algebra, Basic postulates, Standard representation of logic functions -SOP forms, Simplification of switching functions - K-map, Synthesis of combinational logic circuits, Logic gates, Fundamental theorems of Boolean algebra, Standard representation of logic functions POS forms

 Unit III 
Introduction to Combinational Logic Circuits : Adders, Subtractors, Comparators, Multiplexers and Demultiplexers, Decoders, Encoders, Parity circuits Introduction to Logic Families : Introduction to different logic families, Structure and operations of TTL, MOS and CMOS logic families 

Unit IV
 Introduction to Sequential Logic Circuits : Basic sequential circuits: SR-latch,Dlatch,D flip-flop,JK flip- flop, T flip-flop, Conversion of basic flip-flops 

Unit V 
Sequential Logic Circuits Applications : Registers: Operation of all basic Shift Registers, Counters: Design of Asynchronous and Synchronous counters, Ring counter and Johnson ring counter 

Unit VI
 Memory : Read-only memory, read/write memory - SRAM and DRAM, PLAs and their applications, Sequential PLDs and their applications, Introduction to field programmable gate arrays, PALs and their applications Converters : Analog to Digital Converter, Digital to Analog Converter

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