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aliases: OLED A variant of LED that uses a different type of technology to produce a higher resolution and contrast than that of LED. It can be transparent, allowing for use in foldable displays. However, OLED displays suffer from burn-ins when a static im...

aliases: GSM A mobile device authentication system that allows cellular network subscribers to use a SIM card to use an unlocked mobile device with their providers. #XII

aliases: CDMA A mobile network authentication system that allows cellular network providers to directly manage mobile devices used by their subscribers without the use of a SIM card #XII

A measurement of the max amount of power an antenna can radiate in a specific direction.

The first IoT layer. Refers to all the hardware parts in the IoT system. Primary Sensors These include sensors, RFID tags, readers, and other devices. They're the primary data sensors that convert information from the real world into data that can be sent over...

A location service that triangulates a device's position relative to other radio sources (e.g. cellular towers) using specialized tags. #XI

A hardware device used to collect data travelling across the network its connected to. The data can then can be forwarded to a piece of software that can be used to analyze them for inspection. #I

An unshielded twisted pair cable category that supports up to 100 Mbps Ethernet. Description RJ11-Connector 100 Mhz #III

The better version of Cat-6. Provides better shielding and tighter cable twists, which reduces crosstalk and the risk of falling to EMI. Description RJ45-Connector 10 Gbps 500 MHz Limits 10 Gbps to a max cable length of 100 meters #III

aliases: SATA A type of port used to connect internal hard drives to the motherboard. It's data connectors use 7-pins while it's power cable connector uses 15 pins. Features: meter long cable SATA3 cables have a data transfer speed of 600 MB/s come in two...

Power-On Self Test: A legacy firmware system used to detect and inform the user of problems that prevent the system from booting normally. An enumeration of all the different POST Beep Codes and what they point to. Note that different manufacturers might use d...

A network cable used to connect computer systems to a network through a hub or switch. #III

A wiring standard for the RJ45 connector as defined by the order of the wires that connect to the jack. T568B is the preferred format for networks in commercial networks in the US. Color Order Orange White Orange Green White Blue Blue White Green Brown White ...

A type of connector used to connect computer systems using fiber optic cabling. An ST connector: Is used with single mode and multi-mode cabling. Is a keyed, bayonet-type connector. Is also called a push in and twist connector. Has a separate connector for ea...

An enumeration of all the different types of connectors listed in the A+ course. Connector Types RJ11-Connector RJ45-Connector F Type Connector ST-Connector SC-Connector LC Connector Punchdown Block microUSB miniUSB USB Type C Molex Connector Lightning DB9 Co...

An analog signal that corrupts or destroys regular signals used by communicating devices on networks. There are three main types of interference: Electromagnetic-Interference Radio-Frequency-Interference Magnetic-Interference #II

aliases: EMI A type of interference that affects wired network signals. EMI signals are emitted by motors, heavy machinery, and fluorescent lights. It can be prevented by using twisted pair cables to protect signals sent via Ethernet. Swapping to fiber opt...

A storage sector in the computers hardware that houses stuff that the processor is immediately working on, but will not be stored long-term.