Digital Electronics - Memory and Storage

Exercise : Memory and Storage - Filling the Blanks
16.
All rows in a 2118 dynamic RAM need to be refreshed ________.
every second
every millisecond
every 50 milliseconds
every 2 milliseconds
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
ROM access time is defined as ________.
how long it takes to program the ROM chip
being the difference between the READ and WRITE times
the time it takes to get valid output data after a valid address is applied
the time required to activate the address lines after the ENABLE line is at a valid level
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
In DRAM operations, it is assumed that R/W is in its ________ state during a ________ operation.
HIGH, read
Hi-Z, write
HIGH, write
Hi-Z, read
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
The major advantage of dynamic RAM over static RAM is ________.
cost
speed
storage density
cost and storage density
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
The address space of a RAM memory can be expanded using a decoder and additional memory ICs. The output of the decoder should be connected to which input line of the memory?
The most significant address inputs
The most significant data inputs
The read/write line
The chip enable
Answer: Option
Explanation:
No answer description is available. Let's discuss.