This is normal as personal computers, unless designed to, don't usually put out a ton of power it's mostly just what your battery need and a bit more that's it
I'm a little confused about the question, but if you're asking how many points you need to ask a question, the minimum is 10.
Answer:
EOF stands for End Of File
Google explains it well: EOF is a condition in a computer operating system where no more data can be read from a data source. The data source is usually called a file or stream.