Performance
In general, performance is how well someone or something acts or works. For example, in a performance evaluation, an employee is rated on how well they performed a job. With computers, performance is a rating of how fast the computer performs its operations and if it encounters errors.
How to check a computer's performance
Operating systems, like Microsoft Windows, include software like the Performance Monitor that shows the computer's performance in real-time.
To rate and compare a computer's performance, benchmark software is used for stressing the computer through several tests. Once the benchmark tests are complete, the benchmarking score is used to compare against other computers and hardware.
How to check Internet speed and performance
The speed and performance of an Internet connection is important for people that download or transfer many files or large files, stream videos or music, or play online video games. There are multiple online Internet speed test website available where you can test the download and upload speed of your Internet connection.
Business terms, Performance evaluation, Performance monitor, Performant, Speed