What is UEFI? (AKIO TV)

UEFI is the modern replacement of the old BIOS. But what are these things anyway?

(AKIO TV) MMXVIII

[dhliu]

I have to say your video and explanation makes me feel more interesting in the computer sphere : )

[anansipotpourri]

thank you very much sir, you explain things so well

[TechKyle]

Great video! I still got some interesting information I didn't know, even though I thought I knew the difference.

[glados]

I understood all of what you said but 1 question. The UEFI still uses the CMOS memory right? Or did the memory type also change with UEFI?