It has CPU independent architecture and CPU independent drivers.
It can access all the devices, peripherals and even the internet access of your system.
However, todays intensive processing needs are met by faster processors like 32 or 64-bit CPUs.

And so, an interface was needed that can take advantage of the advanced techniques.
BIOS boots by reading a sector in the hard disk that further located the additional code and executes it.
These EFI programs can utilize EFI boot and run-time services.

Note that BIOS can only address up to 1MB of address space using the Master Boot Record table.
Unlike BIOS, UEFI has a friendly and comparatively, colorful interface.
System Restore, as the name says, it restores your system to the last good configuration known.

If you want to recover from an image file, select System Image Recovery.
Or if you are less techie, simply go for an Automatic Repair.
If you want to quit the command mode, punch in exit in the command prompt and hit Enter.

It will display a list of options.
However it’s crucial that you cycle your system to make any changes.
If you have any query or confusion, dont hesitate to post it in the comment box below.
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source: www.itechtics.com