Types of lan card

The NIC contains the electronic circuitry required to communicate using a wired connection (e.g.,Ethernet) or a wireless connection (e.g., WiFi). Anetwork interface card is also known as a network interface controller, network adapter, or Local Area Network (LAN) adapter

Difference between a mechanical keyboard and a normal keyboard

A mechanical keyboard uses actual, physical switches underneath the keys to determine when the user has pushed a key. Press a key, and you press its switch down. Press the switch down, and thekeyboard sends a signal to the PC telling it that you pressed that key. At first, this design doesn't sound so remarkable.