1.13 Hardware specifications

📌 D. Boot System

Chip for booting the computer

☑️ Physical aspect of a booting system

1️⃣ CMOS Booting System

Tiny chip + Battery

• has a tiny chip + big battery
• battery is bigger than the chip
• in CMOS, the booting system is impossible to modify ❌
• unmodifiable/unchangeable booting system

• your booting system is trapped in the factory settings

• has a firmware in the booting system to boot the computer

2️⃣ FLASH Booting System

Bigger chip with no battery

• Flash: Technology of USBs
• Flash uses USB technology,
• so it uses NAND gates like USBs
• can modify/adopt/change the booting system of your computer ⭕️

❓ Which is the name of the booting system that you can adopt to your needs, without battery?
- FLASH

❓ Which is the name of the booting system you cannot modify, with battery?
- CMOS

☑️ Internal/Logical aspect of booting system

1️⃣ BIOS-legacy

basic booting
normally called BIOS-legacy

• little weaker booting system compared to UEFI

2️⃣ UEFI(Extended)

Extended booting
Also called BIOS-UEFI
Nowadays, the old BIOS is called legacy and the UEFI is called BIOS-UEFI
🤷🏻‍♀️ Thats why booting systems is many times called BIOS

• stronger booting system compared to UEFI

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