<span>Large headphones are essentially just two loudspeakers mounted on a strap that clamps firmly over your head. Earbuds work
the same way but, as you would expect, everything inside them (the
magnet, the coil of wire, and the diaphragm cone that makes sound) is
shrunk down to a much smaller size.</span>
Variables can be useful because they hold a certain number/data value that can easily be accessed and changed. For example, in a game, a players score is a variable that changes as the player gets more points; ie coins, items, etc.
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Answer:
Option E Components that interact to produce information
Explanation:
Information system is a system to collect, analyze and disseminate information. An information system consists of five components that work with each other to produce information:
- Computer hardware - physical machine that works with information
- Computer software - a set of computer instructions that tell computer hardware how to perform a task
- Telecommunications - components that connect a group of hardware as to establish a network. This usually includes WiFI technology.
- Databases and data warehouses - the place where the digital data are kept and retrieved.
- Human resources and procedures - human expertise that run the system by following some standard procedures.
