|Task Manager's HELP says ---|
In Task Manager, the percentage of time that a process used the CPU since the last update. On the Task Manager Process tab, the column heading is CPU.
Regarding any RAM you have ----
Computer Speed and Performance May Decrease
When you open, then close programs,
programs may not free up RAM memory.
That is called "Memory Leak".
Restarting computer will clear out its RAM memory.
To have more RAM available at startup,
You can do Start, then RUN, then type
Then uncheck items in the Startup tab.
To find out what each Startup(or Process) item
does or means, and any recommendation as to if you should close the process:
Task List Programs
The Process Library