Answer:
Sheave wheel and hoist cable
Explanation:
The sheave wheel is a pulley wheel that sits above the mine shaft. The hoist cable passes over the sheave wheel and then down the shaft of the mine. The sheave wheel reduces the sliding friction of the mine cable. The head frame is the structure that supports the sheave wheel.
Answer:
A. PaaS
Explanation:
There are various cloud services like PaaS (platform as a service), IaaS (infrastructure as a service), SaaS (software as a service) etc.
The PaaS is a platform based service where online and adaptive environment is available to run software applications on several digital platforms. Unlike SaaS, it does not provide software services but an environment to install and run other applications.
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.
Answer:
A computer input device in the form of a small panel containing different touch-sensitive areas.
Explanation: