IGDTUW 2025 — Computer PYQ
IGDTUW | Computer | 2025The contents of the EPROM are erased by ________
Choose the correct answer:
- A.
Overcharging the chip
- B.
Exposing the chip to UV rays
(Correct Answer) - C.
Exposing the chip to IR rays
- D.
Discharging the Chip
Exposing the chip to UV rays
Explanation
The correct answer is (b) Exposing the chip to UV rays.
Conceptual Breakdown
EPROM, which stands for Erasable Programmable Read-Only Memory, is a type of non-volatile memory that retains its data when the power supply is disconnected.
Erasure Process: To erase the data stored in an EPROM, the entire memory chip must be exposed to ultraviolet (UV) light for a specific duration.
Physical Mechanism: The EPROM chip typically features a transparent quartz window on top of the package. When intense UV light passes through this window, it generates a photocurrent that causes the charge stored on the floating gate of the memory cells to leak away, effectively resetting the chip to its blank state.
Explanation
The correct answer is (b) Exposing the chip to UV rays.
Conceptual Breakdown
EPROM, which stands for Erasable Programmable Read-Only Memory, is a type of non-volatile memory that retains its data when the power supply is disconnected.
Erasure Process: To erase the data stored in an EPROM, the entire memory chip must be exposed to ultraviolet (UV) light for a specific duration.
Physical Mechanism: The EPROM chip typically features a transparent quartz window on top of the package. When intense UV light passes through this window, it generates a photocurrent that causes the charge stored on the floating gate of the memory cells to leak away, effectively resetting the chip to its blank state.