Answer the following statements true (T) or false (F)

1. Viewing each layer of abstraction as an independent black box is useful because it allows
you to work with the layers one at a time.
2. The operating system’s user interface, sometimes called the shell, provides a mechanism
for the user and application programs to communicate directly with the hardware.
3. The operating system’s file management function, sometimes called the file system,
incorporates routines that allow the user or programmer to create, delete, modify, and
manipulate files logically, by name.
4. The operating system’s device management function is responsible for efficiently
managing the system’s memory and processor.
5. Processor (or process) management is concerned with efficiently managing the
processor’s time and main memory space.

1. True
2. False
3. True
4. False
5. False