MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If n denotes the number of rows that are to be refreshed in a single refresh interval, td denotes the range of time it may take then, refresh time (tr) can be defined as |
| A. | n*td |
| B. | td/n |
| C. | n/td |
| D. | td<sup>n</sup> |
| Answer» C. n/td | |
| 2. |
A timer that derives pulse for refreshing action or time for which a dynamic RAM cell can hold data charge level practically constant is |
| A. | constant timer |
| B. | data managing timer |
| C. | refresh timer |
| D. | qualitative timer |
| Answer» D. qualitative timer | |
| 3. |
The number of memory chips that are enabled at a time for refresh activity is |
| A. | 2 |
| B. | 4 |
| C. | 8 |
| D. | more than 1 |
| Answer» E. | |