Download DIGITAL SYSTEMS AND PLCs - MCE409 Past Question PDF

Topics: Digital Logic Circuit Analysis, Digital Logic Circuit Design, computing, digital systems, number systems, positional notation, arithmetic, binary arithmetic, octal arithmetic, hexadecimal arithmetic, base conversions, signed number representation, computer codes, numeric codes, error detection codes, correction codes, Boolean algebra, Venn diagram, Duality, switching functions, truth tables, switching circuits, electronic logic gates, combinational circuits, algebraic methods, combinational logic circuits, computer aided design, design cycle, digital circuit modelling, design synthesis, logic simulation, Karnaugh maps, Quine-McCluskey tabular minimization method, Petrick's algorithm, computer aided minimization of switching functions. Modular combinational logic, Decodes, encoders, decoder circuit structures, encoders, multiplexers, demultiplexers, data distributors, adder circuits, comparators, semi custom logic devices, logic array circuits, field-programmable logic arrays, programmable read-only memory, programmable array logic, sequential devices, sequential circuits, memory devices, latches, flip-flops, timing circuits, modular sequential logic shift registers, counters, serial adder unit, serial accumulators, parallel accumulators, multiple-sequence counters, digital fractional rate multipliers, synchronous sequential circuit models, synchronous sequential circuits, registered programmable logic device, programmable gate arrays, sequential circuit design, logic circuit testing, digital logic circuit testing, combinational logic circuit testing, sequential logic circuit testing, electronic slot machine, keyless auto entry system

Topics: digital design, binary numbers, digital system, number-base conversions, octal numbers, hexadecimal numbers, signed binary numbers, binary codes, binary storage, binary logic, Boolean Algebra, logic gates, Boolean functions, logic operations, digital logic gates, integrated circuits, gate level minimization, truth table, combinational logic, decoders, encoders, multiplexers, behavioral modeling, logic simulation, Synchronous Sequential Logic, sequential circuits, flip flops, registers, counters, shift registers, ripple counters, Synchronous Counters, memory, programmable logic, random access memory, memory decoding, error detection, error correction, read only memory, programmable array logic, Sequential Programmable Devices, Algorithmic State Machines, sequential binary multiplier, control logic

Topics: number system, binary number system, octal number system, hexadecimal number system, binary addition, binary subtraction, signed numbers, complement representation, binary multiplication, floating point representation, binary codes, binary coded decimal numbers, weighted codes, self implementing codes, cyclic codes, gray code, error detecting codes, error correcting code, Hamming code, BCD addition, alphanumeric codes, Boolean algebra, logic gates, duality principle, Venn diagram, truth table, Karnaugh map, Quine – McCluskey Method, combinational switching circuits, combinational circuits, half adder, full adder, parallel binary adder, 8421 adder, BCD adder, subtractor, multiplexers, demultiplexers, code converter, encoders, priority encoder, magnitude comparator, parity generator, parity checker, programmable logic devices, Field Programmable Logic Array, Programmable Array Logic, Programmable Read Only Memory, Direct Coupled Transistor Logic, Integrated Injection Logic, transistor transistor logic, CMOS Logic, Flip flop, shift registers, counter, Asynchronous Counters, counter ICs, Digital to Analog Converter, Analog to Digital Converter, digital memory, semiconductor memory, read only memory, random access memory, magnetic memory, magnetic bubble memories, charged coupled devices, compact disk read only memory

Topics: Digital Logic Design, Kirchhoff's law, Thevenin's theorem, Norton's theorem, circuit theory, semiconductors, transistors, digital logic, integrated circuits, digital logic gates, logic gates, combinational logic design, logic circuit diagram, truth table, Boolean expression, Boolean Algebra, Karnaugh Maps, Quine-McCluckskey, standard combinational logic circuits, ombinational logic circuits, combinational logic, binary adder, binary subtractor, digital comparator, multiplexer, digital encoder, binary decoder, sequential logic circuit, Flip-Flop, S-R Flip-Flop, JK Flip-Flop, T Flip-Flop, D-type Flip-Flop, registers, counters, computer codes, binary codes, binary-coded decimal, excess-3 code, gray code, error detection, error correction, digital error, parity bit, Hamming codes, Cyclic redundancy check

Topics: Logic Design, number system, Boolean algebra, minterm expansions, maxterm expansions, Karnaugh maps, Quine-McCluskey Method, Multi-Level Gate Circuits, NAND gate, NOR Gate, Combinational Circuit Design, Multiplexers, Decoders, Programmable Logic Devices, Latches, Flip-Flops, VHDL, registers, counters, Clocked Sequential Circuits, Sequential Circuit Design, digital systems, switching circuits, number systems, number conversion, binary arithmetic, Boolean expression, truth tables, De Morgan's laws, Consensus Theorem, Prime Implicant Chart, Petrick’s Method, Three-State Buffers, Read-Only Memories, encoders, Shift Registers

Topics: number system, digital circuitry, interfacing, gate, combinational logic design, Verilog, MSI login, sequential logic design, flip-flop, programmable logic, memory, computer system design, arithmetic circuits

Topics: number system, digital circuitry, interfacing, gate, combinational logic design, VHDL, MSI login, sequential logic design, flip-flop, programmable logic, memory, computer system design, arithmetic circuits

Topics: Communication Systems Engineering, Electrical Communication System, Communication Channel, frequency domain analysis, Fourier series, Fourier transforms, Bandlimited Signals sampling, bandpass signals, analog signal transmission, modulation, amplitude modulation, Conventional Amplitude Modulation, angle modulation, radio broadcasting, television broadcasting, mobile radio systems, random processes, Gaussian Processes, White Processes, Bandlimited Processes, Bandpass Processes, Linear-Modulation Systems, information sources, source coding, source-coding theorem, Source-Coding Algorithms, Rate-Distortion Theory, quantization, Analysis-Synthesis Techniques, waveform coding, Digital Audio Transmission, Digital Audio Recording, Pulse Amplitude Modulation, Two-dimensional Signal Waveforms, Multidimensional Signal Waveforms, White Gaussian Noise, Symbol Synchronization, Bandlimited Channels, Digitally Modulated Signals, channel; capacity, channel coding, linear block code, cyclic codes, Convolutional Codes, wireless communications, Continuous Carrier-Phase Modulation, Spread-Spectrum Communication Systems, Digital Cellular Communication Systems

Topics: Mechatronics, control systems, microcontroller, electronic devices, semiconductor, diode, transistor, digital electronics, sensors, transducers, strain gauges, load cells, proximity sensors, light sensors, digital optical encoder, signal conditioning, amplification, amplifier, optical amplifier, data acquisition, analog-to-digital converter, digital-to-analog converter, digital signal transmission, microprocessors, microprocessor systems, Intel 8085 microprocessor, system models, mechanical system building blocks, electrical system building blocks, fluid system building blocks, thermal system building blocks, controllers, PID controllers, digital controllers, adaptive control system, programmable logic controllers, actuators, mechanical actuators, electrical actuators, DC motors, single phase motors, three phase induction motors, synchronous motors, hydraulic actuators, pumps, pressure regulator, hydraulic valves, linear actuators, rotary actuators, pneumatic actuators, mechatronic systems, embedded systems, CNC machines, CAD, CAM, Machine structure, drives, spindle, spindle bearings, swarf removal

Topics: Vector Quantization, Signal Compression, random proocesses, linear systems, probability, sampling, periodic sampling, linear prediction, Elementary Estimation Theory, Finite-Memory Linear Prediction, Levinson-Durbin Algorithm, Minimum Delay Property, scalar coding, Scalar Quantization, Predictive Quantization, Delta Modulation, Difference Quantization, Bit Allocation, Transform Coding, Karhunen-Loeve Transform, Performance Gain of Transform Coding, entropy coding, Variable-Length Scalar Noiseless Coding, huffman coding, Vector Entropy Coding, Ziv-Lempel Coding, Constrained Vector Quantization, Predictive Vector Quantization, Finite-State Vector Quantization, Tree and Trellis Encoding, Adaptive Vector Quantization, Variable Rate Vector Quantization

Topics: Boolean Algebra, Combinational Logic, Combinational Network Design, Numeral Systems, Binary Arithmetic, sequential networks, flip-flop, Flip-Flop-Based Synchronous Networks, counters, registers, feedback control system, FPGA Design, HDL Design

Topics: Map Reading, Map Interpretation, Language of Maps, Drainage Basins, settlement, land use, land use analysis, Distributional Map, Geological Map, climate map, Weather Map

Topics: Digital Signal Processing, common filters, digital control systems, Digital-to-analog conversion, Analog-to-digital conversion, Adaptive digital systems, adaptation algorithms, median filter, artificial neural netowrks, fuzzy logic, Discrete Fourier transform, fast Fourier transform, spectral analysis, modulation, Kalman filter, data compression, source coding, Recognition techniques, channel coding, Error-correcting codes, Digital signal processors, Programming digital signal processors

Topics: Arduino Development, Connecting Arduino, Arduino code basics, Arduino pins, Blinking LEDs, 7-segment display, LED bar graph, Button debouncing, Button multiplexing, sensors, temperature sensor, detecting motion, PIR sensor, measuring distance, noise reduction, accelerometer, motor control, Servo motor, stepper motor, bipolar stepper motors, brushless motors, Arduino digital communication, timing Arduino code

Topics: Measurements, Measurement Systems, error, Units, Dimensions, Electrical Circuit Components, Resistors, Inductors, Capacitors, Galvanometers, Analog Ammeter, Voltmeter, power measurement, Wattmeter, energy measurement, Energy Meters, Potentiometers, Inductance, resistance, Capacitance, Cable Faults localization, Magnetic Measurements, High Voltage Measurements, Optoelectronic Measurements, Electronic Instruments, High Frequency Measurements, Cathode Ray Oscilloscope, Signal Generators, Signal Analyzers, Instrumentation Amplifiers, Nonlinear Circuits, Signal Conditioning, Electrical Wave Filters, Number Systems, Logic Gates, Boolean Algebra, Logic Families, Digital Measurement, digital Instruments, Display Devices, Electronic Recording Devices, Transducers, Data Acquisition Systems, Telemetry, Microprocessor Based Measurements

Topics: digital system, digital meter, digital instrument

Topics: analog-to-digital converter, analog-to-digital converter stages, sampling and holding, quantizing, encoding, Nyquist frequency, Digital-to-Analog Conversion, R-2R Ladder Network Digital-to-Analog Conversion

Topics: Analog Electronics, Diode, frequency response, feedback amplifier, oscillators, combinational logic circuits, sequential logic circuits, shift registers, counters, Op-amp applications, operational amplifier, voltage regulator, memories

Topics: passive circuit analysis, Diode, Bipolar Transistor Circuits, MOS Transistors, CMOS Circuits, TTL Logic, CMOS-TTL Interface, sensors, operational amplifiers, amplifier circuits, data converters, front-end electronics, Combinational Logic Circuits, Sequential Logic Circuits, Logic Circuits

Topics: Mathematical model, time response analysis, time response, test signal, impulse response, order of a system, partial fraction expansion, Response of first order system, Response of second order system, time domain specification, steady state error, static error constant, error coefficient, automatic control system, controller, time response analysis, frequency response, sinusoidal transfer function, transfer function, frequency domain, frequency response plot, Bode plot, Magnitude plot, phase plot, Nichols plot, M-circle, N-circle, Nichols chart, Bounded input Bounded output stability, root locus, Routh Hurwitz criterion, Nquist plot, open loop system, closed loop system, mechanical translational system, Laplace transform, mechanical rotational system, electrical system, analogous circuit, block diagram, signal flow graph

Topics: JAMB, UTME, biology, Plant cell, fern, plant biology, nutrition, circulatory system, osmoregulation, ecology, variation, hereditary, gene, chromosome, evolution

Topics: Mathematics, JAMB, Logarithm, standard form, permutation, combination, number system, set, ratio, indices, factorization, inequality