Answer:
Basically, anything quantity that is not defined as one of the 7 base quantities is a derived quantity by definition. Pressure is not one of the 7 base quantities. Hence it is a derived quantity.
Answer:
Examples of input devices include keyboards, mouse, scanners, digital cameras, joysticks, and microphones.
Explanation:An input device is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance.
Answer:
Its outfile<<number.
However, before this we need to write
outfile.open("xyz.txt", ios;;out)
outfile<<number
And this code will do what is required in the question. This is going to write the number's content to the xyz.txt file which is the file associated with the outfile.
And remember this is in C++. And C++ is a imperative oriented programming language. Undoubtedly, Python and R are fully object oriented programming languages.
Explanation:
The answer is self explanatory.