From what location are the 1st computer instructions available on boot up?
A. ROM BIOS
B. CPU
C. boot.ini
D. CONFIG.SYS
E. None of the above
Answer: Option A
Solution(By Examveda Team)
During boot-up, the first computer instructions are typically fetched from the ROM BIOS (Read-Only Memory Basic Input/Output System).ROM BIOS contains firmware that initializes hardware components and performs the initial loading of the operating system.
It is a crucial component of the boot process, responsible for tasks such as POST (Power-On Self Test), hardware initialization, and loading the bootloader.
The BIOS resides on a ROM chip on the motherboard and is essential for the computer to start up properly.
Therefore, the first set of instructions during boot-up comes from the ROM BIOS.
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Answer 'A' is right
I am confused about answer, please tell me which is correct A or D?
BIOS is embedded in ROM ,and booting information store in rom and first time start the computer so bootstrap loader initiate and take up OPERATING SYSTEM from hard disk to RAM .and POST operation execute this time,post operation function to check system activity and efficiency.......
1
Ans d