DRAM

Embedded System

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

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

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

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

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

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

6. 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

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

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

9. 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

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

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

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