Final answer:
Increasing the page file size might help performance if the physical RAM is fully utilized. However, the most effective solution mentioned in the options to complement this change is option C) Add more physical RAM. Upgrades to other components or closing applications may improve performance differently, but are not directly related to the use of page file.
Step-by-step explanation:
The question concerns the impact of increasing the page file size on a computer's performance. The page file, also known as a swap file, is used by an operating system to extend the amount of virtual memory available beyond the physical memory (RAM) installed. This file is located on the hard drive and is accessed when the RAM is full and more memory space is needed for tasks.
Increasing the page file size will generally not have any significant effect unless your computer's physical RAM is being fully utilized and additional virtual memory is required. The correct response to the question is, therefore, option C) Add more physical RAM. More RAM allows the system to handle more processes concurrently before resorting to the page file, thus improving performance. Upgrading the CPU, operating system, graphics card, installing additional software, or closing all running applications may influence the overall performance in different ways, but are not directly related to the effectiveness of the page file size increase.
Remember that simply increasing the page file size is not always the best solution to performance issues. It's usually more effective to add more physical memory, if possible, as accessing data from RAM is much faster than from a hard drive.