Answer:
"B3 and B6 will selected"
Explanation:
- If the worksheet is opened by the user and he is in the cell B3, then the B3 and B6 are selected, If the user clicks the B6 after pressing the ctrl and the shift key.
- The shift and ctrl are used to select any two cells in the MS-Excel worksheet.
- The above question asked about which cell is selected when the user in on cell B3 and press the B6 while holding the ctrl and shift key. So the answer is "B3 and B6".
The reference to the root of the tree should be set to null
<h3>Can the root of a binary tree be null?</h3>
- Only the subtrees are nulled out, the root always remains and will never be set to null.
<h3>What is null root?</h3>
- null-, root. -null- comes from Latin, where it has the meaning "none; not one.
- '' This meaning is found in such words as: annul, null, nullify.
To learn more about it, refer
to brainly.com/question/24448358
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Answer:
Attenuation is the one-word answer which is the correct answer for the above question.
Explanation:
Attenuation is a concept which told about the barrier, which is used to stop the signals in the connected network systems. Attenuation can be a form of any type of barrier like weak signals, or because of long-distance.
Following are the example which is in the form of attenuation--
- Noise
- The distance can also be a problem for weak signals.
- Hacker also disestablished the network signals.
- The physical objects.
Hence the attenuation can be formed by any of the barriers of signals, like physical obstruction, longer distance, and radio inference.
Answer:
D
Explanation:
because it is more safe than a key
