Overview
In computer hardware, a controller may refer to:
Memory controller, a unit that manages access to memory
Game controller, a device by which the user controls the operation of the computer
Host controller
Network controller
Graphics controller or video display controller
SCSI host bus adapter
Network interface controller (NIC)
Parallel port controller
Microcontroller unit (MCU)
Keyboard controller
Programmable Interrupt Controller
Northbridge (computing)
Southbridge (computing)
Universal asynchronous receiver/transmitter (UART) communications controller chip
Peripheral DMA controller
Floppy disk controller
Disk array controller, also known as a RAID controller, a type of storage controller
Flash controller, or SSD controller, which manages flash memory
Terminal Access Controller
IBM 2821 Control Unit, used to attach card readers, punches and line printers to IBM System/360 and IBM System/370 computers
IBM 270x and IBM 37xx, used for telecommunications
IBM 3271, 3272, 3271, and 3174, used to attach terminals (display devices)
MIDI controller
Programmable logic controller
From Wikipedia (CC BY-SA 4.0).
