They began in ancient times the babylons started trading
Answer: B) The volume of the radio and D) the outdoor temperature.
Explanation:
The analog signal is the signal that continuously varying with the time and it continuous analog signal. Analog signal is basically used to carry information or data from one device to another device.
The volume of the radio is the example of the analog signal as it carry voice from one place to another. The analog signal is the type of signal that use to measure the particular change in the physical phenomena like pressure, sound and temperature in the environment. So, outdoor temperature is also the example of analog signal.
And the other options (A) and (C) are incorrect because it is represent any physical change in the environment.
Answer:
It can only be used in superclasses
Explanation:
In computer language, a reserved word is a word that cannot be used as an identifier, such as the name of a variable, function, or label, it is "reserved from use".
If your method overrides one of its superclass's methods, you can invoke the overridden method through the use of the keyword super, it can also be used to refer to a hidden field.
We can conclude that the correct answer is "It can only be used in superclasses" because, in a subclass’ constructor, we can call the superclass’ constructor with the keyword super instead of the superclass’ (constructor’s) name.
I hope you find this information useful and interesting! Good luck!
