Folder: About Software

Concepts related to software.

About Files AI Desktop Applications Operating Systems Software Reviews Terminal Types of Software

How to Save an Image of the Screen

Tutorial
Tutorial: learn how to take a screenshot in your PC and other devices, i.e. how to create an image file from what's displayed on your screen without using a camera, also called a "screencap" or "screen capture."
Why Programmers Count Starting from Zero?

Why zero-based indexes are so common in programming languages.
Source Code

Type of text code written by a programmer or developer that describes the algorithm to be executed by a computer program, or controls the program by configuring it somehow or by describing some data used by it.
Character

A single letter, number, or punctuation in a text. In a computer, normally any text is just a sequence of characters, also called a character string.
Types of Applications and Programs

Reference
A list of types of applications, programs, and other software.
Run in the Background

When a program or application is executed by the CPU, but it isn't displaying a window on screen and doesn't appear in the taskbar.
Run

To start a program or application, so that the CPU starts following its algorithm.
Clipboard

Where things that are copied (or cut) go before being pasted.
To Overwrite

What is "To Overwrite" in the Computer? Overwriting means to replace data that existed somewhere in the computer with other data. When this is done, the original data is lost, that is, it's as if the old data was deleted to make space for the new data which would be placed exactly in the same […]
Fork

A fork is a project that has branched out from another project, e.g. LibreOffice, which is a fork of OpenOffice.
Libreware

Software that can be modified by its users, in the sense that the user can change any aspect of the program, including removing any unwanted parts, changing any behaviors, and adding any new features they wish.
Virtual Object

A term I've been using in my articles to describe things that are tangible but also virtual.
Version

A way to identify a program that has one name but changed over time or has multiple editions.
Memory

What is "Memory" in a Computer? The term "memory" has multiple meanings when we talk about computers, some of them refer to hardware while other refer to software, for example: Notable Features In general, memory has a fixed size and is addressable by byte offsets. If you have a piece of memory that is 8 […]
Convention

A way of doings things that everyone agrees with because that makes things easier, just like a standard, but that has never been officially codified or written in an specification like an actual standard.
App

What is an App? App is an abbreviation for application, which refers to a computer program meant be applied in some task. Generally, the term app refers to applications for smartphones and other mobile devices, however you can say "app" any time you say "application" and vice-versa, e.g. a web app is a web application, […]
Server

What is a Server? A server is a computer program that sends data to clients connected to it, and clients are computer programs that receive data from a server. These terms typically refer to programs running in different computers connected through the Internet. For example, a web server that serves webpages to web clients such […]
Client

What is a Client in a Computer? A client is a computer program that receives data from a server, which is a computer program that sends data to clients. Typically, these terms refer to a client in one computer connecting over the Internet to a server in another computer, e.g. a web browser is a […]
Program

What is a Computer Program? A computer program is a list of steps that a computer (a CPU) has to perform. In other words, a program is an algorithm executed by a computer. We also use the term "program" to refer to programs that you can download, install, and run in your computer, e.g. a […]
Algorithm

What is an Algorithm? An algorithm is a sequence of steps that need to be executed in order to perform an action. Every computer program is an algorithm, but we can also write algorithms that aren't computer programs. A simple and common example of an algorithm would be a cooking recipe, which describes the steps […]