HDD - store their data on rotating disks called platters., SDD - is a storage device where the data is stored on flash memory chips. These chips offer fast read and write speeds, LCD - is a type of flat panel display which uses liquid crystals in its primary form of operation., IPS - changes the behavior of an LCD’s liquid crystals to produce a sharper, more accurate picture., TN - consist of liquid crystals sandwiched between two polarizing filters. When an electric current is applied, the crystals twist and allow light to pass through., VA - uses vertically aligned crystals that tilt to allow light to pass. Display tech, OLED - consist of pixels made from OLEDs (Organic Light Emitting Diodes) rather than liquid crystal filled units. Unlike LCD (Liquid Crystal Display) technology, OLED does not require backlighting to function., Wifi antenna connector/placement - If you point all of you antenna straight up, the WiFi Router will be radiating the whole signal in a single direction. So for home WiFi routers with two WiFi antennas, it is always best to point one antenna horizontal and the other one vertical., Inverter - often used to light the computer's screen. is a small circuit board, usually about the size of a pen., Docking station - station is a device that allows you to turn your laptop into a desktop computer. , your laptop can simultaneously connect a monitor, printer, keyboard, mouse, storage, backup drives, and even a local area network (LAN)., Port residents replicator - offer the same functionality found in docking stations but are more universal. don’t require the laptop to be clipped into a docking port, as docking stations do. Instead, the device connects through a simple USB port, commonly found on any laptop made today., GSM - an international standard for digital cellular communications. Radio network, CDMA - refers to any of several protocols used in second-generation (2G) and third-generation (3G) wireless communications. As the term implies, is a form of multiplexing, which allows numerous signals to occupy a single transmission channel, optimizing the use of available bandwidth. Radio network, PRL - list of information that resides in the memory of some kinds of digital phones. It lists the radio frequencies the phone can use in various geographic areas., MDM - software allows IT administrators to control, secure and enforce policies on smartphones, tablets and other endpoints., MAM - software allows IT administrators to apply and enforce corporate policies on mobile apps and limit the sharing of corporate data among apps. It also enables the separation of business apps and data from personal content on the same device.,

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