DRAM MCQ’s

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This set of Embedded System Multiple Choice Questions & Answers (MCQs) focuses on “DRAM”.

1. Which of the following memory technology is highly denser?
a) DRAM
b) SRAM
c) EPROM
d) Flash memory

2. Which of the following is the main factor which determines the memory capacity?
a) number of transistors
b) number of capacitors
c) size of the transistor
d) size of the capacitor

3. Which one of the following is a storage element in SRAM?
a) capacitor
b) inductor
c) transistor
d) resistor

4. Which memory storage is widely used in PCs and Embedded Systems?
a) SRAM
b) DRAM
c) Flash memory
d) EEPROM

5. What is the size of a trench capacitor in DRAM?
a) 1 Mb
b) 4-256 Mb
c) 8-128 Mb
d) 64-128 Mb

6. Which of the following capacitor can store more data in DRAM?
a) planar capacitor
b) trench capacitor
c) stacked-cell
d) non-polar capacitor

7. What does VRAM stand for?
a) video RAM
b) verilog RAM
c) virtual RAM
d) volatile RAM

8. Which of the following is more volatile?
a) SRAM
b) DRAM
c) ROM
d) RAM

9. In which of the memories, does the data disappear?
a) SRAM
b) DRAM
c) Flash memory
d) EPROM

10. What does TCR stand for?
a) temperature-compensated refresh
b) temperature-compensated recovery
c) texas CAS-RAS
d) temperature CAS-RAS

11. Which is the storage element in DRAM?
a) inductor
b) capacitor
c) resistor
d) mosfet

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