A graphics card is an expansion card which generates a feed of output images to a display device, such as a computer monitor.
Also called hard disk drive or hard drive, magnetic storage medium for a computer. Hard disks for personal computers can store terabytes (trillions of bytes) of information.
A local area network (LAN) consists of a series of computers linked together to form a network in a circumscribed location. The computers in a LAN connect to each other via TCP/IP ethernet or Wi-Fi.
A server is a computer program or device that provides a service to another computer program and its user, also known as the client.
Computer hardware includes the physical parts of a computer, such as CPU, RAM, monitor, mouse, keyboard, sound card, speakers and motherboard.
A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer. Modern personal computers universally use switched-mode power supplies.