Microsoft 1: Windows OS Intro Ch 12 Op Systems

Myers CompTIA A+ Guide, Ch 12 Working with Operating Systems

What is the function of the Registry root key CLASSES_ROOT?

Contains a merged view of class objects, file name extension associations, from the LOCAL_MACHINE and CURRENT_USER root keys as well as COM class registration information, primarily for compatibility with applications designed for older versions of Windows.

What is the function of the Registry root key LOCAL_MACHINE?

Contains non-user-specific configuration data, including keys defining the physical state of the computer, device drivers, operating system data, installed software, and startup control parameters.

What is the function of the Registry root key CURRENT_CONFIG?

Rarely used, it functions to define hardware priority in cases when there are multiple devices of the same kind (e.g. monitors). Does not actually contain data but points to the Hardware Profiles subkey under LOCAL_MACHINE.

What are the functions of the Registry root keys USER and CURRENT_USER?

Stores all personalized info for all user accounts on the device, like screensavers, desktop content, network connections, printers, and application preferences.

CURRENT_USER: does not actually contain any data, but points to the currently logged in user profile data located under the USERS root key.

What is a Quality Update?

QUALITY UPDATES are patches to fix bugs and make minor improvements, which can include security, critical, and driver updates, that are typically released on a monthly basis.

What does WINDOWS + X do?

Opens the Quick Links menu (same as right-clicking the Start)