Final answer:
The correct RAM diagnostic tool for assessing the number of sticks of RAM in a system is the System Information tool, which is built into the Windows operating system.
Step-by-step explanation:
The correct RAM diagnostic tool for assessing the number of sticks of RAM in a system is the System Information tool. This tool is built into the Windows operating system and provides detailed information about the hardware and software on a computer.
To access the System Information tool, follow these steps:
- Press the Windows key + R to open the Run dialog box.
- Type 'msinfo32' and press Enter.
- The System Information window will open and display information about your computer, including the number of installed RAM sticks.