Answer:
Explain Operating System working: OS works as an intermediate between the user and computer. It helps the user to communicate with the computer without knowing how to speak the computer's language. The kernel is the central component of a computer operating systems.
Explanation:
Answer:
Purposes of Data Layer, in the Layered model for web applications are as following:-
1. The data Layer,is the third layer and it takes care of the all the operations concerning the database level.
2. This data layer gets a command from the application layer to send a query to the database and will process this command according to the type of database that is used.
3. It will ensure that the correct connections to the database are set.
4. It is represented by the Database.
Answer:
So a statement could be the front-end is what we see and the back-end is what we don't see, the behind the scenes. Like a play, we see the characters and them acting out a story but we dont see who is doing the lights, playing the music, fixing the costumes and makeup etc..
Explanation:
The term front-end means interface while the term back-end means server. So imagine you go on your social media app, what you can see like your friends list and your account and the pictures you post, who liked the pictures and all of that is called the front-end and is what <em>you</em> as a user can interact with; front-end development is the programming that focuses on the visual aspect and elements of a website or app that a user will interact with its called in other words the client side. Meanwhile, back-end development focusing on the side of a website users can't see otherwise known as the server side, its what code the site uses and what it does with data and how a server runs and interacts with a user on whatever device surface they're using.
