Download DATA COMMUNICATION - COE513 Past Question PDF

Topics: Data communication, Ethernet, Routing algorithm, internet, interfacing, protocols, information codes, error correction, multiplexing, Synchronization, Modulation, Modem interconnection, data encryption, packet-switching, voice-grade circuit, data communication link

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: Electronic Communication, Gain, Attenuation, Decibels, Tuned Circuits, Filters, Fourier Theory, Amplitude Modulation, Amplitude Demodulator, Balanced Modulators, SSB Circuits, Frequency Modulation, FM Circuits, Digital Communication Techniques, Radio Transmitters, Communication Receivers, Multiplexing, Demultiplexing, Digital Data Transmission, Networking, Local-Area Networks, Ethernet, Transmission Lines, Antennas, Wave Propagation, Internet Technologies, Microwave, Millimeter Wave Communication, Satellite

Topics: Communication Systems Engineering, frequency domain analysis, analog signal transmission, analog signal reception, random processes, white Gaussian noise channel, digital transmission, channel capacity, channel coding, wireless communications

Topics: Computer Network, Internet, Transmission Media, Data Communication Interfaces, Multiplexing, Error Detection, Error Control, Medium Access Control, Internetworking, Routing, Network Congestion, Network Security, World Wide Web

Topics: Information Technology, Data Communication Systems, Transmitted Signal, modulation, demodulation, Transmission Media, data transmission techniques, Transmission Techniques, transmission, data traffic control, polling, handshaking, multiplexing, Data Communication Networks, Network system, Multi-user system, Inter-nodal Connection, Network Topology, Information Technology Services, desktop publishing, internet, Web Browsers, Search Engines, Net Surfing, Internet Addressing System, internet services, Domain Name Service, file transfer protocol

Topics: Continuous-time signal, linear time-variant system, singularity function, Fourier series, filtering, continuous-time Fourier transform, convolution property, Multiplication property, discrete-time Fourier transform, time characterization, frequency characterization, sampling, communication system, complex exponential, sinusoidal amplitude modulation, frequency-division multiplexing, Laplace transform, Fourier transform, z-transform, linear feedback system

Topics: Continuous-time signal, linear time-variant system, singularity function, Fourier series, filtering, continuous-time Fourier transform, convolution property, Multiplication property, discrete-time Fourier transform, time characterization, frequency characterization, sampling, communication system, complex exponential, sinusoidal amplitude modulation, frequency-division multiplexing, Laplace transform, Fourier transform, z-transform, linear feedback system

Topics: cellular systems, wireless systems, wireless standards, propagation modeling, co-channel interference, modulation, power spectrum, error probability, multi-antenna techniques, MIMO, Time domain equalization, interference calculation, error control coding, spread spectrum techniques, multi-carrier techniques, frequency planning techniques, CDMA cellular systems, channel assignment techniques

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 Communication, Communication Error Correction, Information Compression Error, Information Compression, Data Compression, data Coding, Huffman Coding Algorithm, Error Correction, Linear Block Codes, noise, convolutional coding, Viterbi decoding of convolutional codes, Systematic Code, Convolution Codes, Hamming Codes, Convolutional Codes, Convolutional Code Construction, Parity Equations, Shift-Register View, State-Machine View, Decoding Problem, Viterbi Decoder, Soft-Decision Decoding, Signal to Noise Ratio, linear Time-Invariant Systems, Baseband Signal, Modulation, Demodulation, Baseband Channel, Linear Time-Invariant Models, Baseband Channel Model, Signal Spectra, Discrete-Time Fourier Transform, Fourier Transform, Discrete-Time Fourier Series, Fourier Series, Channel Distortions, Binary Phase Shift Keying, Quadrature Phase Shift Keying, Quadrature Amplitude Modulation, Media Access Protocols, Shared Media Satellite communications, Satellite communications, Time Division Multiple Access, ALOHA, Carrier Sense Multiple Access, Circuit Switching, Packet Switching, Little’s Law, Network Routing, Routing, Broadcast routing, Routing Protocol, Reliable Data Transport Protocols

Topics: Inductance of Transmission Lines, Resistance of Transmission Lines, Capacitance of Transmission Lines, Representation of Power System Components, Load Flow Studies, Optimal System Operation, Automatic Generation, Voltage Control, Symmetrical Fault Analysis, Symmetrical Components, Power System Security, Power System Stability, Compensation in Power Systems, Load Forecasting Technique, Voltage Stability

Topics: Transmission lines, ideal transmission lines, impedance for coaxial line, wave velocity for coaxial line, coaxial line

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: Signaling, telecommunication networks, numbering plans, digital analysis, digital routing, analog transmission, digital transmission, signaling systems, Subscriber Signaling, Channel-Associated Interexchange Signaling, signaling links, signaling units, Digital Subscriber Signaling System, datalink layer, Call-Control Signaling, ISUP Signaling, Cellular Mobile Telecommunications, Cellular Mobile Networks, Air Interface Signaling, Air Interface Signaling, Signaling Connection Control Part, Transaction Capabilities Application, intelligent Network Application, Packet Networks, VoIP, Packet-Based Communication, Session Initiation Protocol, Gateway Control Protocol, Signaling Transport Protocols, SIGTRAN protocols, Bearer Independent Call-Control Protocols, BICC protocols, ATM Networks, ATM Addressing, B-ISUP Signaling Protocol

Topics: Engineering Hydrology, hydrologic cycle, Water-budget formation, world water balance, precipitation, Rain gauge network, Rainfall, evaporation process, evaporimeters, reservoir evaporation, transpiration, evapotranspiration, actual evapotranspiration, infiltration, infiltration capacity, streamflow measurement, acoustic doppler current profiler, hydrograph, runoff, hydrographs, base flow separation, effective rainfall, unit hydrograph, floods, flood-frequency studies, design flood, design storm, flood routing, hydrologic storage routing, level pool routing, flood control, groundwater, well hydraulics, aquifers, open wells, well loss, specific capacity, sea-water intrusion, erosion, reservoir sedimentation, process, channel erosion, trap efficiency

Topics: Telecommunication, Networking, Computer Network Topology, computer network, Data Communication Systems, digital transmission, analogue transmission, Analogue Signal Transmission, Digital Signal Transmission, digital transmission modes, Data Transmission Media, Data Transmission Cables, Information Network, protocols, Telecommunication System, Nigerian Telecommunication Policy, Telecommunication Service Providers

Topics: Data Communications, Networking, data, signals, digital transmission, analog transmission, bandwidth utilization, transmission media, switching, data link layer, error detection, error correction, data link control, multiple access, wireless LAN, ethernet, SONET, SDH, virtual-circuit networks, frame relay, network layer, logical addressing, internet protocol, address mapping, error reporting, multicasting, transport layer, domain name system, remote logging, electronic mail, file transfer, HTTP, network management, SNMP, multimedia, cryptography, network security

Topics: Cybersecurity, computers, network, computer networks, internet, internet protocols, internet infrastructure, cyberattacks, denial of service, distributed denial of service, man-in-the-middle attacks, cryptojacking, SQL injection, spamming, cyberterrorism, digital property misappropriation, zero-day exploitation, phishing, digital vandalism, cyberstalking, cyber frauds, cyber forgery, Equifax data theft, VPNfilter cyberattack, Wannacry ransom attack, peta cyberattack, US Election manipulation, power grid hacking, shadow network attack, GitHub DDos attack, under armor account hacking, computer malware, virus, trojan horse, rootkit, spyware, worms, adware, scareware, browser hijacker, computer firewall, antivirus software, anti-spyware software, anti-spam software, security updates, social engineering attack, password management, intrusion detection systems, multi-factor authentication, secure sockets layer, virtual private network, wireless network security, LAN vulnerabilities, secure online shopping, internet browsing, secure electronic transactions, web fraud detection systems, mobile security, mobile application management, cybersecurity standards, information security forum standards, payment card industry data security standard

Topics: Security, Private Security, Private Security Sector, Private Security Company, Risk Analysis, Security Survey, Private Security Service, Information Security, Nigerian Security and Civil Defence Corps, Security threat