Read-Only Memory (ROM)

By: Prof. Dr. Fazal Rehman | Last updated: June 20, 2025

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1. What does ROM stand for?





2. Which type of memory is non-volatile and cannot be easily modified?





3. Which of the following is a characteristic of ROM?





4. What is the primary use of ROM in a computer system?





5. Which type of ROM can be erased by exposing it to ultraviolet light?





6. Which type of ROM can be electrically erased and reprogrammed?





7. What does PROM stand for?





8. How is data written to a PROM?





9. Which ROM type is typically programmed at the time of manufacturing and cannot be reprogrammed?





10. What does EEPROM stand for?





11. Which ROM type can be erased and rewritten without removing it from the circuit?





12. Which ROM type is commonly used in BIOS chips?





13. In which ROM type does the erasure process involve using a special device that emits UV light?





14. Which of the following is not a characteristic of ROM?





15. Which type of ROM is typically used for storing a computer’s firmware or bootloader?





16. Which type of ROM is often used in embedded systems due to its reprogrammability and non-volatility?





17. Which ROM type requires a higher voltage to program than to read?





18. What is the main advantage of using EEPROM over EPROM?





19. Which ROM type provides the best data security, as it cannot be reprogrammed or altered?





20. In what scenario is Mask ROM most suitable?





 

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