The first thing a computer has to do when it is turned on is start up a special program called an operating system. … The boot loader’s job is to start the real operating system. The loader does this by looking for a kernel, loading it into memory, and starting it.
What are the types of booting?
There are two types of the boot:
- Cold Boot/Hard Boot.
- Warm Boot/Soft Boot.
What is the first step in boot process?
The first step of any boot process is applying power to the machine. When the user turns a computer on, a series of events begins that ends when the operating system gets control from the boot process and the user is free to work.
Is operating system a process?
The OS is a bunch of processes. It is started up during the boot process. How the boot process works depends on the system. But generally, the boot process is also a process whose sole job is to start up the OS.
What are the 5 basic states of a process?
What are the different states of a Process?
- New. This is the state when the process has just been created. …
- Ready. In the ready state, the process is waiting to be assigned the processor by the short term scheduler, so it can run. …
- Ready Suspended. …
- Running. …
- Blocked. …
- Blocked Suspended. …
- Terminated.
What is process example?
The definition of a process is the actions happening while something is happening or being done. An example of process is the steps taken by someone to clean a kitchen. An example of process is a collection of action items to be decided on by government committees.
Why is booting needed?
Why is Booting Required ? Hardware doesn’t know where the operating system resides and how to load it. Need a special program to do this job – Bootstrap loader. E.g. BIOS – Boot Input Output System.
What happens during booting?
Booting is what happens when a computer starts. … When you boot a computer, your processor looks for instructions in system ROM (the BIOS) and executes them. They normally ‘wake up’ peripheral equipment and search for the boot device. The boot device either loads the operating system or gets it from someplace else.
What is the full form of BIOS?
BIOS, in full Basic Input/Output System, computer program that is typically stored in EPROM and used by the CPU to perform start-up procedures when the computer is turned on.