Final answer:
The PC 99 standard is followed by most sound card manufacturers for the colors of the 1/8 mini-jacks, which helps in identifying and connecting the correct audio devices to sound cards.
Step-by-step explanation:
The standard followed by most sound card manufacturers for the colors of the 1/8 mini-jacks is B. PC 99. This color coding scheme was adopted to standardize the connection of computer peripherals and to assist users in connecting devices to the correct ports. Here is a brief guide to the color codes:
- Green: Used for headphones or front speakers.
- Pink: Used for a microphone.
- Blue: Line in.
- Orange: Center speaker or subwoofer.
- Black: Rear speakers.
- Grey: Middle speakers.
This color scheme allows for easier identification and connection of audio devices to the sound card.