Answer:
hardware and software is the answer
Answer:
replace()
Explanation:
The history object in javascript corresponds to browsing history.
It has the following methods for navigating through the history list:
back(): Go back in the history list
forward(): Go forward in the history list
go() : Navigate to the currently pointed url in the history list. It takes a parameter which can either be a numeric index or a string which is matched with the history list content.
replace() is not a method in the history object.
Answer:

Explanation:
Photoshop format (PSD) is the default file format and the only format, besides the Large Document Format (PSB), that supports all Photoshop features.
Answer:
The answer to this question is given below in the explanation section.
Explanation:
The correct option for this question is the file extension. Because, by knowing the file extension, you can easily understand and know what the file is. If Evan checking out some groovy music files then he will definitely look at the file format to know that is it the music file or not.
Other options are not correct because:
messaging app function is to send the message, receive and store the message while hardware does not have any relation to identifying the music file and system software is an example of an operating system that also does not help the Evan for looking at music file on the laptop.