A 24-pin connector is primarily used in computer power supplies to connect to the motherboard, providing the necessary power for various components. This connector includes a mix of 3.3V, 5V, and 12V power lines, which supply power to the CPU, RAM, and other critical motherboard components. Additionally, some graphics cards and peripherals may use variations of 24-pin connectors for power.
The main power connector 20-24pin. One for the CPU 4-8 pin. PCI express 4 pin. It's depend on what type of motherboard do you have. But commonly, new motherboards uses 2 power cord P8 and P9.
RJ-45 connector
The UTP cable it uses an RJ-45 connector. For coaxial cable, it will be either an F connector or a BNC connector.
it is RJ-45
If the cable on your mouse can be unplugged and uses a Mini Din6 connector, you could use it.
EIDE
The Nest thermostat uses a micro USB power connector.
A UHM lamp uses a special socket connector, a UHM connector, invented by 3M. Panasonic projection TV's typically use this connector.
A regular ATX motherboard uses a single 20-pin P1 connector with optional 4-pin auxillary power connector
Parallel printers and scsi
the answer is audio input/ output
EIDE cable uses a 40-pin connector at the end of the cable to interface with the drive.