CompTIA A+ Core 2 (220-1102) — Question 58

A technician just completed a Windows 10 installation on a PC that has a total of 16GB of RAM. The technician notices the Windows OS has only 4GB of RAM available for use. Which of the following explains why the OS can only access 4GB of RAM?

Answer options

• A. The UEFI settings need to be changed.
• B. The RAM has compatibility issues with Windows 10.
• C. Some of the RAM is defective.
• D. The newly installed OS is x86.

Correct answer: D

Explanation

The correct answer is D because a 32-bit version of Windows (x86) can only address up to 4GB of RAM. Options A, B, and C are incorrect as they do not directly relate to the OS's limitation in addressing RAM size, which is specifically tied to the architecture of the installed operating system.