It refers to the physical elements of the internet
Common input devices include the keyboard, image scanner, and integrated video cameras. These also include the microphone, mouse, joystick controller, gamepad or joypad, webcam, digital pen, and others. Input devices are computer hardware used to control signals and provide data to a computer or an information appliance.
A general rule for adding text to a slide is to use not more than two fonts in a presentation and vary the font size. Besides adding text you can also import text, photographs, numerical data, and facts from files created in programs such as Microsoft word, excel and access.
Answer:
The answer is: Only A is correct.
Explanation:
Variables in a program can assume different values at different times, and the program can then produce different results, depending on circumstances, so A is correct.
In a computer language, a reserved word (also known as a reserved identifier) 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". This is a syntactic definition, and a reserved word may have no meaning. So, B is incorrect.
Hence, the answer is: Only A is correct.
