Such an amazing teacher with beautiful soft voice. To my level of understanding from this lecture, operating systems can be designed in two possible ways, one for a specific machine or hardware while the other approach designs in compatible way so that it can run on versatile environments. Booting is the process of starting computer and making it in running mode. Bootstrap loader is the program that initialize booting. It resides in ROM. It locates OS, loads into memory and executes. OS resides in disk.
1) Operating system generation - There are 2 types of operating system design, for one machine and for multiple machines - In order to adapt to different kinds of machines, the OS use the SYSGEN process to determine the requirements: + Which CPU the machine using ? + Which devices ? + Memory of the machine ? 2) System boot - System bootstrap is the first program to be executed when the computer starts - It will locate the OS kernel and load it into the memory to be executed - This program is located in the ROM because ROM needs no initialization and safe to computer virus (read-only) - The OS is located on the disk
Actually what you referred to bootloader/bootstrap loader , resides in HDD, sector- 0. The firmware, which is stored in ROM is called BIOS which is coded in machine language . The BIOS is told to by-default look into the sector-0 for MBR(Master Boot Record) after POST. In MBR , there is a part of code which is known as boot-loader. This boot loader now searches for OS kernel in HDD & later takes it to RAM. Now, the control is handed to OS.
@@demonslayer4607 im not genius Im idiot if truly say Nobody can learn such a big stuff in short span of time I did this because completing the playlist without understanding it properly will: 1. Make my mind a bit relaxed as I watched full playlist 2. Watched 100 videos, remembering atmost 50 will be enough to get context for the exam
1. Procedure (metaphysics) 2. Operating system is better when it can be customized 3. System generation is easier than it seems at first 4. System boot can be very useful 5. ROM as security measure can be effective 6. Firmware is interesting
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Such an amazing teacher with beautiful soft voice.
To my level of understanding from this lecture, operating systems can be designed in two possible ways, one for a specific machine or hardware while the other approach designs in compatible way so that it can run on versatile environments.
Booting is the process of starting computer and making it in running mode. Bootstrap loader is the program that initialize booting. It resides in ROM. It locates OS, loads into memory and executes. OS resides in disk.
1) Operating system generation
- There are 2 types of operating system design, for one machine and for multiple machines
- In order to adapt to different kinds of machines, the OS use the SYSGEN process to determine the requirements:
+ Which CPU the machine using ?
+ Which devices ?
+ Memory of the machine ?
2) System boot
- System bootstrap is the first program to be executed when the computer starts
- It will locate the OS kernel and load it into the memory to be executed
- This program is located in the ROM because ROM needs no initialization and safe to computer virus (read-only)
- The OS is located on the disk
Actually what you referred to bootloader/bootstrap loader , resides in HDD, sector- 0. The firmware, which is stored in ROM is called BIOS which is coded in machine language . The BIOS is told to by-default look into the sector-0 for MBR(Master Boot Record) after POST. In MBR , there is a part of code which is known as boot-loader. This boot loader now searches for OS kernel in HDD & later takes it to RAM. Now, the control is handed to OS.
Thanks man!!
Thanku so much for your teachingus
this is true for large OSs unlike android where the entire firmware and OS is stored in rom
Hey dude where r u from??@chakraborti
Great knowledge in addition.
completed 15 lectures in 2 days ,,feeling gd... i will put all these lectures in my mind :D ,, thanku so much sir
Completed 14 in half a day. Watching at 2x speed. 🤓
Completed 15 lectures in 1.5hrs, tomorrow is my exam.
@@nikhilflautist how do u retain stuff in your head in such a short time span ? indeed u r genious
@@demonslayer4607 im not genius
Im idiot if truly say
Nobody can learn such a big stuff in short span of time
I did this because completing the playlist without understanding it properly will:
1. Make my mind a bit relaxed as I watched full playlist
2. Watched 100 videos, remembering atmost 50 will be enough to get context for the exam
@@nikhilflautist okay bro
Bro u r the best no one can teach better than u keep it up
You are really a good teacher.....ur videos really very help me in my studies....thank u so muchhh.....😊
Neso academy is the best platform to learn . Great work ....😊
Is there a better way I can praise this course?
This is the best OS course I've found on RUclips. Thank you so much @Neso Academy.
thank you , you are a great teacher
you r an amazing teacher.bless you.
Neso academy is wonderful channel for learning most of the subjects
Thank you for ur effort sir..
Keep doing..
your explanation is too good ......
Very amazing explanation.
1. Procedure (metaphysics)
2. Operating system is better when it can be customized
3. System generation is easier than it seems at first
4. System boot can be very useful
5. ROM as security measure can be effective
6. Firmware is interesting
Great lecture, sir
thanks a lot!
Thanks for nice explanation
Very good teaching techniques really appreciate the effort keep going..❤️❤️
This is actually so fukin cool
Thanks for bootstrap (bootloader) and firmware.
Thankyou sir
Bro please do more videos on operating system.
It's good to learn a d understand easily
As Bootstrap program is in ROM which is read only then how does the bootstrap program itself executes?
Marvelous
Thanks
Good lecture sir
Very very interesting
kernel is loaded into which memory? ram right which is the main memory ?
Yeh
Can you please Upload the PPT's you have used for revision references??
Thanks.
Where does the boot strap programme resides
in the rom
SIR PLZ ADD FURTHER VIDEOS
❤️
16
Xss,