Embedded Systems Questions and Answers – DRAM
Embedded Systems Questions and Answers on Dynamic Random-Access Memory (DRAM) offer in-depth insights into its architecture, operation, and applications. DRAM serves as volatile memory for storing data in electronic devices, providing cost-effective and scalable solutions. Explore its integration into diverse embedded applications, from consumer electronics to industrial automation, and uncover its role in driving innovation in system design. Learn about DRAM’s impact on system performance, power consumption, and overall functionality, shaping the evolution of embedded systems across industries. Gain valuable knowledge about DRAM technology and its critical importance in ensuring efficient memory management and reliable performance in today’s digital landscape.
Which memory technology is highly denser?
DRAM.
DRAM is highly denser and cheaper because it only uses a single capacitor for storing one bit.
Which is the storage element in DRAM?
capacitor.
DRAM uses a small capacitor whose voltage represents a binary zero which is used as a storage element in DRAM in which a single transistor cell is used to store each bit of data.
Which is a storage element in SRAM?
transistor.
Four to six transistors are used to store a single bit of data and form a flip-flop logic gate and thus SRAM is faster in accessing data.
Which is more volatile?
DRAM.
DRAM is said to be more volatile because it has a capacitor as its storage element in which the data disappears when the capacitor loses its charge so even when the device is powered the data can be lost.
What is the size of a trench capacitor in DRAM?
4-256 Mb.
Trench capacitor can store from 4-256 Mb but planar capacitor can store up to 1 Mb.
Which capacitor can store more data in DRAM?
stacked-cell.
Stacked-cell can store greater than 1 Gb. Planar capacitor can store up to 1 Mb and trench capacitor can store 4-256 Mb.
In which memories, does the data disappear?
DRAM.
SRAM and DRAM are volatile memories and flash memory and EPROM are non-volatile memories. DRAM has a storage element as a capacitor whose charge loses gradually thereby losing data.
What does VRAM stand for?
video RAM.
Video RAM is a derivative of DRAM. It functions as a DRAM and has additional functions to access data for video hardware for creating the display.
What does TCR stand for?
temperature-compensated refresh.
The temperature-compensated refresh is one of the refreshing techniques used for extending the battery life by reducing the refresh rate.