Computer Basics and Programming Concepts Quiz

A computer is a complex device used by people around the world every day. It can perform various tasks such as managing files, sending emails, communicating with others online, creating documents, making presentations, designing websites, playing games, watching movies, writing code, learning new languages, listening to music, making phone calls, drawing pictures, taking photographs, recording videos, setting alarms, and much more. Here's some information on specific aspects of computers:

Programming

Programming involves writing instructions for a computer to follow. Basically, you are telling it what to do. For instance, if you want your computer to print out something from your printer, you would have to tell it exactly how and when to do so. That series of commands, written in a special language called a programming language, is called software. Some popular programming languages include Python, JavaScript, Ruby, PHP, Perl, Hypertext Preprocessor, HTML, XML, Visual Basic, Object Pascal, Common Lisp, and Scheme. Learning one of these languages will allow you to create software on your own computer using nothing more than the keyboard and monitor that came with it. Large programs like web browsers take many years to develop because they need to work well on lots of different types of machines. This means that even small changes can require months of testing before they get put into the program. But once everything works right, users all over the world enjoy using them.

KompoZer

KompoZer is a WYSIWYG (what you see is what you get) HTML editor which combines user–friendly, visual editing with powerful features found only in high end professional editors. Its unique blend makes KompoZer a breeze to operate. In addition to being able to edit HTML directly through its built-in property inspector, you can also insert images, links and other objects without leaving the page. To make things easier still, there are several predefined styles available under the Styles menu.

Cascading Style Sheet (CSS)

Cascading Style Sheet, commonly known as CSS, is an extension of HTML that allows you to format text for displaying on your website. CSS enables you to change the font size, color, spacing between lines of text, background colors, etc., while HTML does not. As a result, websites look better with CSS. While most beginners start off using simple HTML tags, advanced designers often employ dynamic scripts written in JavaScript. However, those who prefer a GUI interface might find KompoZer useful for their needs.

JavaScript

JavaScript is another scripting language similar to HTML. Unlike plain old HTML which describes pages statically, scripts dynamically generate pages based upon what happens on the server side. Scripts are usually stored inside large databases where they wait until someone triggers them. When triggered, they execute instantly thanks to technologies like HTTP POST requests and cookies. With this technology, developers can easily build interactive web applications.

Java Program

A Java program uses bytecode instead of machine code. Bytecodes run faster than assembly language programs. They don't depend on hardware architecture either. Because there isn't any overhead associated with running these codes, Java programs tend to be smaller in terms of memory usage compared to non-bytecode languages like Assembly Language. Additionally, since bytecodes aren't tied down to particular platforms, Java programs typically work across multiple operating systems.