Answer:
Behaviour
Style
Structure
Explanation:
Above are the three primary separation of concerns for a web application at client side.
Structure --> we can define the structure of the application at client side using HTML
style-->style is used to give some styling information like font,color,headings so on at client side .In general we use CSS to do this at client side
Behaviour--> it actually defines the functionality of the elements at client side like when we click button what it should do.We will use JavaScript to define the behaviours at client side
The read-write type of memory helps in reading as well as writing data. This computer memory is used by users to continually update the data (to access (read from) or alter (write to) ) that is held on hardware storage devices. Internal or external hard disk drives, rewritable CDs or small flash drives can be all physical setups of read-write memory.
It could be any thing of your chose
That would be called a <span>tachometer </span>