Which of the following is a type of non-volatile memory that can be erased by exposing to ultraviolet light? MCQ with Answer and Explanation

Which of the following is a type of non-volatile memory that can be erased by exposing to ultraviolet light?
A. EEPROM
B. PROM
C. EPROM
D. SRAM
Answer: Option C
Solution (By JKSSB Mock Tests)
EPROM (Erasable Programmable ROM) can be erased by exposing it to strong ultraviolet light, and then reprogrammed. EEPROM is electrically erasable.

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Practice More Memory and Storage Devices Questions

Question #1
Which ROM type can be completely erased by exposing its internal semiconductor die to strong ultraviolet (UV) light waves?
A. Flash ROM
B. EEPROM
C. PROM
D. EPROM

Correct Answer: Option D


Explanation:
EPROM (Erasable Programmable Read-Only Memory) chips feature a distinctive transparent quartz window over the die through which ultraviolet light is applied to erase data.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the approximate read speed of a typical SATA III SSD?
A. 50 MB/s
B. 50 GB/s
C. 500 MB/s
D. 5 GB/s

Correct Answer: Option C


Explanation:
SATA III SSDs typically achieve sequential read speeds around 500-550 MB/s, limited by the SATA III interface (600 MB/s max). NVMe SSDs are faster.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the maximum theoretical data rate of USB 3.0?
A. 480 Mbps
B. 20 Gbps
C. 10 Gbps
D. 5 Gbps

Correct Answer: Option D


Explanation:
USB 3.0 (SuperSpeed) has a maximum theoretical data rate of 5 Gbps. USB 2.0 is 480 Mbps, USB 3.1 is 10 Gbps, and USB 3.2 can be 20 Gbps.

This question belongs to: Computer Memory and Storage Devices