A PDF must be put into an external program after being exported to be edited, you can't make direct changes to it. This eliminates answer choice A.
You can print documents with other extensions besides .pdf, such as those of Word documents and such, it doesn't have to be a .pdf. This eliminates answer choice B.
Since you can't directly edit a PDF, C is a possible answer.
Files don't have to be saved as a .pdf, especially just for the first time. Whenever you save a file, first time or not, you can save it as anything, and there's no reason to have to save it as a .pdf. This eliminates answer choice D.
So the answer is C. it contains material you don't want changed.
Hope this helps!
The answer is (a. Semi-conducting)
In the computer industry, semi-metals with a semiconducting property are useful in making of semiconductors. These metals have high resistance but lower than compare to insulators. This conductor could be crystalline or amorphous solids.
This question has a ton of answers to it but, here are some basic ideas to help you out
- Cars 1900's vs today
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The limitation of 5G mmWave, despite its high speed, is the fact that they have a short range.
- 5G simply means the fifth generation of wireless technology that has great speed and provides connectivity to cellphones.
- mmWave is the higher frequency radio band that is very fast. It should be noted that the 5G mmWave is super fast and is being used by large organizations to improve their work.
- The main limitation of 5G mmWave is that for one to use it, one has to be close to the 5G tower. This is why it's hard for people living in rural areas to benefit from it unless it's situated close to them.
- It should be noted that despite the fact 5G offers greater bandwidth, which is vital in relieving network congestion, there are still more improvements to be made in order for everyone to benefit.
In conclusion, the limitation of 5G mmWave, is that they have a short range.
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