The hardware components of a computer will not operate on it’s own due to  the nature of it’s design. 

Computers are designed to be instructed by software.

The operating system is the software just above the firmware level which provides a user interface to the user so that they may indirectly interact or command the hardware. The OS manages hardware resources that must be used by the various running processes of the computer system.

Discussion:

Consider the feedback loop where the user attempts to print a word processing document

-Graphics on screen

-application software

-what happens if 2 apps need to print at the same time?

Thinking about the operating system as a Resource Manager

The OS mainly manages  :

• Memory
• Input and output operations (I/O operations)
• The processor
• The user interface

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