How buffers are used when stream a video or a music from the internet to your computer. Please give short answers i dont need that much explanation.

A buffer ensures you have a constant data rate even when your internet connection has hickups.

So your buffer sits on your computer and always has the next bits of video or audio available so your video or music keeps playing when the connection fails for a short while.

answer; i believe the correct answer is 50 pounds;

try a gofundme or ask your family for money slowly and slowly then save it or do trades on craigslist. that's all i know