Fundamentals

Core networking concepts, models, signals, and system architecture.

Articles: 24

Articles in this category

What is Telecommunications? | Teleinf Edu

Defining the field: processing, transmission, and switching of information.

2 min

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Analog Signal and Sine Wave | Teleinf Edu

Understanding the characteristics of continuous signals: amplitude, period, and frequency.

2 min

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Signal Spectrum | Teleinf Edu

Analyzing signals in the frequency domain and understanding signal bandwidth.

2 min

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Data Transmission Signal | Teleinf Edu

Visualizing digital information as a series of voltage levels over time.

2 min

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Electromagnetic Waves | Teleinf Edu

The basis of wireless communication and the electromagnetic spectrum.

3 min

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Units of Measurement | Teleinf Edu

Key units in telecommunications, including decibels (dBm, dBr) and information units (bit, byte).

2 min

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The Teletransmission Chain | Teleinf Edu

From information source to destination: the complete path of a signal.

2 min

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Transmission Modes | Teleinf Edu

Simplex, half-duplex, and full-duplex communication explained.

2 min

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Channel Interference and Noise | Teleinf Edu

Understanding additive (noise) and multiplicative (fading) disturbances.

2 min

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Transmission Quality | Teleinf Edu

Measuring performance with Bit Error Rate (BER) and energy efficiency (Eb/N0).

2 min

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Network Elements | Teleinf Edu

The building blocks of a network: end devices, intermediary devices, and media.

2 min

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Network Devices | Teleinf Edu

Roles of hosts, clients, servers, routers, switches, and firewalls.

2 min

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Network Types | Teleinf Edu

Classification by scale: PAN, LAN, MAN, and WAN.

2 min

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Network Topologies | Teleinf Edu

Physical and logical layouts: Bus, Star, Ring, Mesh, Tree, and Full Mesh.

2 min

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Graph Theory in Networks | Teleinf Edu

Applying concepts like graph degree, paths, and connectivity to network analysis.

2 min

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Layered Network Models | Teleinf Edu

The principle of dividing complex communication tasks into manageable layers.

2 min

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The OSI Model | Teleinf Edu

A deep dive into the 7 layers of the Open Systems Interconnection reference model.

2 min

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The TCP/IP Model | Teleinf Edu

Exploring the 4-layer practical model that powers the Internet.

2 min

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Encapsulation and Decapsulation | Teleinf Edu

How data is wrapped with headers and trailers as it moves through the network layers.

2 min

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Logic Gates | Teleinf Edu

Fundamental building blocks of digital circuits: AND, OR, NOT, XOR gates and their truth tables.

2 min

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Flip-Flops | Teleinf Edu

Sequential logic circuits that store binary information: SR, JK, D, and T flip-flops.

2 min

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Registers | Teleinf Edu

Digital storage devices composed of flip-flops: shift registers, parallel registers, and their applications.

2 min

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Counters | Teleinf Edu

Sequential circuits that count pulses: binary counters, decade counters, and up/down counters.

2 min

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Memory Elements | Teleinf Edu

Basic memory components in digital systems: latches, SRAM, DRAM, and ROM types.

2 min

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