3.2. User Interfaces

This objective deals with one basic question: What desktop components and interfaces form the Windows GUI?

Just as with other objectives, it is important to know the answer to this question, both for the A+ exam and for real-world work in the PC field.

3.2.1. Critical Information

The operating system provides a consistent environment for other software to execute commands. The OS gives users an interface with the computer so they can send commands to it (input) and receive feedback or results back (output). To do this, the OS must communicate with the computer hardware to perform the following tasks:

  • Disk and file management

  • Device access

  • Memory management

  • Input/output

3.2.1.1. Disk and File Management

The OS must be able ...

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