TECH 101: Wireless Fidelity (802.11x standard)
A Wi-Fi network uses radio waves to wirelessly transmit information across a LAN, the reach of which can be extended by a Wi-Fi range extender. Wi-Fi is widely used in businesses, agencies, schools and homes as an alternative to a wired LAN. Many airports, hotels and fast-food facilities offer public access to Wi-Fi networks.
TECH 101: WAN (Wide Area Network)
A wide area network (WAN) is a geographically distributed private telecommunications network that interconnects multiple local area networks (LANs).
TECH 101: ADSL (Asymmetric Digital Subscriber Line)
ADSL (Asymmetric Digital Subscriber Line) is a technology for transmitting digital information at a high bandwidth on existing phone lines to homes and businesses. Unlike regular dialup phone service, ADSL provides continously-available, “always on” connection.
TECH 101: ROM (Read-Only Memory)
Read-only memory, or ROM, is a type of computer storage containing non-volatile, permanent data that, normally, can only be read, not written to.
TECH 101: Cybersecurity
Cyber security is the application of technologies, processes and controls to protect systems, networks, programs, devices and data from cyber-attacks and the unauthorised exploitation of systems, networks and technologies.