Computer-Networks
December 7, 2023NVS PGT CS 2019 Part-A
December 7, 2023RAM-capacity
| Question 2 |
256 Mb DRAM is organized as a 32M X 8 memory externally and as a 16K x 16K square array internally. Each row must be refreshed at least once every 50 mili second to forestall loss of data; refreshing one row takes 100 nanoseconds. What fraction of the total memory bandwidth is lost to refresh cycles?
| 6.6% | |
| 3.3%
| |
| 3.9%
| |
| 4.3% |
Correct Answer: B