28167591
Description
Flashcards by Jessica Rizo, updated more than 1 year ago
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Created by Jessica Rizo
almost 4 years ago
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| Question | Answer |
| What is the BIOS? | Basic Input/Output System |
| What is POST? | Power On Self Test Looks for a boost loader Checks to see if CPU, RAM, and even BIOS itself are functioning If there is something wrong with the computer, it will sound a beep code that indicates the section of the computer that’s experiencing issues |
| What is ROM BIOS? | Read Only Memory—BIOS Call back to a time where the BIOS booted from read only memory. Nowadays boots from integrated chip or flash memory |
| What is UEFI BIOS? | Unified Extensible Firmware Interface Basically a more user friendly navigation interface to navigate the BIOS Before it was text based |
| What are the advantages to using UEFI BIOS? | Can boot from large storage sizes (>2.2TB) Supports FAT( Fie Allocation Table) formatted drives & removable data Offers “pre-boot environment” where you can use apps, browse internet, and use storage drives |
| What is Non-Volatile BIOS memory? | Where you store any changes to BIOS Usually flash memory on the MOBO |
| What is CMOS? | Complementary Metal-Oxide Semiconductor What was used before flash memory to store the BIOS config settings Battery supported & refreshed this memory |
| What is the “CMOS” now used for? | CMOS is now just used to keep the date and time instead of the setting |
| What is “flashing the BIOS”? | When you upgrade the BIOS *Upgrading the BIOS is something that shouldn’t be done unless absolutely necessary |
| What is the BIOS password? | The password is necessary to load the OS |
| What is the Supervisor Password? | If the BIOS needs to be configured then you must enter this password Nobody can enable or disable this settings without this password |
| What is the FDE? | Full-Disk Encryption Everything on the BIOS is encrypted Different OS have their own types Most of these are integrated on the MOBO |
| What is Secure Boot? | Part of the UEFI specifications already Checks to see if the core signatures matches before booting If they were altered it will fail to boot This in case malware was installed on the OS |
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