Operating System Design Challenges

A company is upgrading its operating systems to Windows 10, which provides a Graphical User Interface, and simultaneously integrating a new high-speed data acquisition device. After the upgrade, engineers encounter two primary issues: the system frequently struggles to allocate sufficient memory for the device's intensive data buffering, leading to slowdowns, and the device's communication with the computer is unreliable. Considering the layers of an operating system, which two layers are most directly implicated in resolving these specific problems in a Windows 10 environment?