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Digital Electronics - Memory and Storage

Exercise : Memory and Storage - General Questions
21.
A CD-R disk is created by applying heat to special chemicals on the disk and these chemicals reflect less light than the areas that are not burned, thus creating the same effect as a pit does on a regular CD.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.

The device shown in the given figure is checked with a logic probe and the output is HIGH.

The device is working properly.
For the input conditions shown the output should be LOW; the input is shorted to ground.
For the input conditions shown the output should be neither HIGH nor LOW; the device is shorted to .
The device is probably alright; the problem is most likely caused by the stage connected to the output of the device.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Which of the following best describes static memory devices?
memory devices that are magnetic in nature and do not require constant refreshing
memory devices that are magnetic in nature and require constant refreshing
semiconductor memory devices in which stored data will not be retained with the power applied unless constantly refreshed
semiconductor memory devices in which stored data is retained as long as power is applied
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Which is not a removable drive?
Zip
Jaz
Hard
SuperDisk
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Which of the following best describes EPROMs?
EPROMs can be programmed only once.
EPROMs can be erased by UV.
EPROMs can be erased by shorting all inputs to the ground.
All of the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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