How Operating system functions?

Answer 1

A process is an environment in which a program executes. They run in the background and provide a common language that allows the operating system to interface with the installed hardware & software to support any applications running on the system.

A process is simply a group of code in memory. It is a collective task grouping that accomplishes one particular need. It is an active program entry that has its state and context, a share of resources such as memory, registers and others.

It is sequence of microoperations that run and perform one job, and a well defined context at which instant it is executing the task. A process is an active program entry that takes a part of CPU. For more detail, study OS fundamentals in nearly any OS book.

Answer 2

To control the activities of a computer system or to control the operation of a computer, directs the input and output of data, keeps track of files, and controls the processing of computer programs.

Answer 3

The first thing that loads is the kernel, which is the like the heart of the computer; it's responsible for managing memory, etc and runs in the background. The registry, which also runs in the background, is a database that stores Windows settings.

When a Windows machine crashes and a blue screen with code, this is kernel panic, when memory is basically overpowered and the computer stops it regular function.

Answer 4

Input Device (mouse) sent through the motherboard -> Processor -> RAM -> South Bridge -> North Bridge -> Graphic interface (video card)