Discussion
Match the List I with List II and select the correct answer using the codes given below it :
| List I | List II |
|---|---|
| (a) SRAM | (1) Floating gate MOSFET |
| (b) DRAM | (2) Flip-Flop |
| (c) Flash Memory | (3) Magnetic |
| (d) Hard Disk | (4) MOSFET |
Codes : (a) (b) (c) (d)
Answer: C
The correct code is (2) (4) (1) (3).
- (a) SRAM stores each bit in a flip-flop (a latch of cross-coupled transistors).
- (b) DRAM stores each bit as charge on a capacitor accessed through a MOSFET.
- (c) Flash memory stores charge on the floating gate of a floating-gate MOSFET.
- (d) A hard disk stores data magnetically.
Option B gives flash memory the magnetic storage of the hard disk, and options A and D misplace SRAM and DRAM.
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