If the device's main purpose is to gather information for the computer, then it's an input device. If its main purpose is to let the computer communicate information to the user, then it's an output …

The input is what is given to the Machine and the output is the what the machine gives in response.

The CPU is the brain of a computer, containing all the circuitry needed to process input, store data, and output results. The CPU is constantly following instructions of computer programs …

A logic gate is a device performing a Boolean logic operation on one or more binary inputs and then outputs a single binary output. Computers perform more than simple Boolean logic …

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They may look different, but they all share the same underlying technology. The more we understand how that technology works, the more we can use the computers around us to help …

Let's solve some problems to better understand input and output devices.

We need a way of grouping code together and giving it a name, so that we can call it by that name later, and that's what we call a function. To create a function, we must first declare it and give …

Functions assign a single output for each of their inputs. In this video, we see examples of various kinds of functions.

Definition: A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output. Notation: Typically written as ( f (x) ), where ( x ) is …