Flashcards
BIOS Basics
Flashcards do conjunto (13)
- 1What is the BIOS?Basic Input/Output System
- 2What 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 - 3What 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 - 4What is UEFI BIOS?Unified Extensible Firmware Interface
Basically a more user friendly navigation interface to navigate the BIOS
Before it was text based - 5What 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 - 6What is Non-Volatile BIOS memory?Where you store any changes to BIOS
Usually flash memory on the MOBO - 7What is CMOS?Complementary Metal-Oxide Semiconductor
What was used before flash memory to store the BIOS config settings
Battery supported & refreshed this memory - 8What is the “CMOS” now used for?CMOS is now just used to keep the date and time instead of the setting
- 9What is “flashing the BIOS”?When you upgrade the BIOS
*Upgrading the BIOS is something that shouldn’t be done unless absolutely necessary - 10What is the BIOS password?The password is necessary to load the OS
- 11What 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 - 12What 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 - 13What 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
Informações
- Descrição
- Some basic info about the BIOS, UEFI, CMOS, and POST
- Criado por
- Jessica Rizo
- Visualizações
- 80
- Tags
- Avaliação