Answer: A. System window and C. System Information window
Step-by-step explanation:
Hi, RAM stands for Random Access Memory. RAM stores information about running programs in your computer, as long the computer is on.
To know how much RAM is installed on a system you can use the system window tool.
In windows 10 Right click on "Start Menu" and click on "System" in pop-up menu to open "System" window.
System window will show basic information of the computer, including the amount of RAM installed.
Also you can Type "System Information" in the search box, and select "System Information" from search results.
"System Information" window shows a more detailed system summary, of hardware resources and devices. Incluiding RAM.
Feel free to ask for more if needed or if you did not understand something.