Which of the following is a type of memory that is used for storing the BIOS settings? MCQ with Answer and Explanation

Explanation:
Mask ROM is factory-programmed using a photomask and cannot be changed by the user. PROM can be programmed once, EPROM can be erased with UV, and EEPROM electrically.

Explanation:
Traditional hard drive architectures format sectors to a standard size of 512 bytes, though newer 'Advanced Format' drives use 4096 bytes (4 KB).

Explanation:
The '-R' designation in optical formats stands for 'Recordable'. These discs use organic dye that can be altered by a laser only once, preventing rewriting (WORM - Write Once, Read Many).