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 BIOS (Basic Input/Output System) ek firmware hai jo computer ya laptop ke motherboard par embedded hota hai. BIOS ka kaam system ke hardware components ko initialize aur configure karna hai jab system ko pehli baar power on kiya jata hai. BIOS computer me operating system ko load karne ke liye zaroori instructions provide karta hai. BIOS Operating System aur Hardware ke bich intermidiate ka kaam karta hai.BIOS ke main functions nimn prakar se hain: BIOS ke Main Functions: 1. Power-On Self-Test (POST):  - Jab computer ko power on kiya jata hai, BIOS pehle hardware components jaise CPU, RAM, storage devices, aur input/output devices ko test karta hai. Agar koi problem detect hoti hai, toh BIOS error messages ya beep codes emit karta hai. 2. Bootloader:  - BIOS boot sequence ko manage karta hai aur storage device (jaise hard drive ya SSD) se operating system ko load karne ke liye bootloader ko initiate karta hai. 3. Hardware Configuration:  - BIOS hardware components k...

 Dual BIOS ek aisi feature hai jo kuch high-end motherboards aur laptops mein di jaati hai. Ismein do separate BIOS chips hoti hain, ek primary BIOS aur ek backup BIOS. Dual BIOS ka main purpose system ko extra layer of security aur reliability provide karna hota hai. Agar primary BIOS corrupt ho jaye ya fail ho jaye, toh system automatically backup BIOS ko use karke boot kar sakta hai. Dual BIOS ke Benefits: 1. BIOS Corruption Se Protection:  - Agar primary BIOS kisi wajah se corrupt ho jaye, jaise firmware update ke dauran power failure, malware attack, ya incorrect configuration, toh backup BIOS automatically engage ho jata hai. Isse system operational rehta hai aur user BIOS ko restore kar sakta hai. 2. Safe BIOS Updates:  - Dual BIOS feature safe BIOS updates ko ensure karta hai. Jab aap BIOS update karte hain, toh primary BIOS update hota hai aur agar update fail ho jaye, toh system backup BIOS se boot karke primary BIOS ko restore kar sakta hai. 3. Increased System...