Digital Electronics - Memory and Storage
|
|
|
|
Exercise"You cannot shake hands with a clenched fist."
- Indira Gandhi
|
| 8. |
Which is/are the basic refresh mode(s) for dynamic RAM? |
| A. |
Burst refresh | | B. |
Distributed refresh | | C. |
Open refresh | | D. |
Burst refresh and distributed refresh |
Answer: Option D
Explanation:
No answer description available for this question. Let us discuss.
|
| 9. |
For the given circuit, what memory location is being addressed?
|
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
|
| 10. |
One of the most important specifications on magnetic media is the ________. |
| A. |
rotation speed | | B. |
tracks per inch | | C. |
data transfer rate | | D. |
polarity reversal rate |
Answer: Option E
Explanation:
No answer description available for this question. Let us discuss.
|
| 11. |
A 64-bit word consists of ________. |
| A. |
4 bytes | | B. |
8 bytes | | C. |
10 bytes | | D. |
12 bytes |
Answer: Option C
Explanation:
No answer description available for this question. Let us discuss.
|
| 12. |
Which of the following RAM timing parameters determine its operating speed? |
| A. |
tACC | | B. |
tAA and tACS | | C. |
tCO and tOD | | D. |
tRC and tWC |
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
|
| 13. |
The reason the data outputs of most ROM ICs are tristate outputs is to: |
| A. |
allow for three separate data input lines. | | B. |
allow the bidirectional flow of data between the bus lines and the ROM registers. | | C. |
permit the connection of many ROM chips to a common data bus. | | D. |
isolate the registers from the data bus during read operations. |
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
|
| 14. |
Select the statement that best describes Read-Only Memory (ROM). |
| A. |
nonvolatile, used to store information that changes during system operation | | B. |
nonvolatile, used to store information that does not change during system operation | | C. |
volatile, used to store information that changes during system operation | | D. |
volatile, used to store information that does not change during system operation |
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
|
|
|
