Which structural component of flash memory traps electrons to represent binary ones and zeros? MCQ with Answer and Explanation

Which structural component of flash memory traps electrons to represent binary ones and zeros?
A. Floating Gate Transistor
B. Capacitor bank
C. Mechanical relay
D. Magnetic core
Answer: Option A
Solution (By JKSSB Mock Tests)
Flash memory uses floating gate transistors to trap electrical charges (electrons). The presence or absence of charge alters voltage thresholds, representing 0 or 1.

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Practice More Memory and Storage Devices Questions

Question #1
A standard double-layer DVD can store approximately how much data?
A. 4.7 GB
B. 25 GB
C. 700 MB
D. 8.5 GB

Correct Answer: Option D


Explanation:
A standard single-layer DVD stores 4.7 GB, while a dual-layer or double-layer DVD can store up to 8.5 GB of data.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the purpose of a memory patch?
A. To add more memory
B. To increase memory speed
C. To physically repair memory
D. To modify memory contents temporarily

Correct Answer: Option D


Explanation:
A memory patch is a modification to the contents of memory, often for debugging or updating code in real-time.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the typical capacity of a single-layer BD-R (Blu-ray recordable) disc?
A. 50 GB
B. 128 GB
C. 25 GB
D. 4.7 GB

Correct Answer: Option C


Explanation:
Single-layer BD-R holds 25 GB, dual-layer 50 GB, and triple-layer 100 GB or more. Standard Blu-ray is 25 GB.

This question belongs to: Computer Memory and Storage Devices