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Free computing articles, quizzes, activities, and information for experts, intermediates, and beginners.

785 articles, 22 quizzes, and 8 activities since it was launched on 10th January 2022.

700 articles

On 13th July 2023, this website reached 700 articles. The 700th article is about the top 10 most useful free software programs you should have installed.

Celebrating The First Anniversary Of This Website

It was the first anniversary of this website on 10th January 2023. It has been celebrated by the 500th article, which contains the steps of making a website and making it public.

600 articles

On 27th March 2023, this website reached 600 articles. The 600th article is about the top 20 most common mistakes people make when using computers.

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What Is A QR Code

What Is A QR Code?

Difficulty: Medium

Stands for a Quick Response code. A QR code is a type of barcode that consists of a matrix of black and white squares, used to store URLs and other data.

What Is An Entertainment System

What Is An Entertainment System?

Difficulty: Easy

An entertainment system is an electronic device used for entertainment purposes. They contain electronic components that handle audio and video.

What Is COPPA

What Is COPPA?

Difficulty: Medium

The Children's Online Privacy Protection Act (COPPA) is a piece of US legislation that protects the privacy of children under the age of 13.

What Is BYOD

What Is BYOD?

Difficulty: Medium

Stands for Bring Your Own Device. BYOD is the practice of allowing employees in an organisation to use their own devices.

What Is A Touchpad

What Is A Touchpad?

Difficulty: Medium

A touchpad, also known as a trackpad, is an input device in the form of a small panel. It contains touch-sensitive areas designed to be controlled by the fingers and usually two visible buttons.

What Is A Laptop

What Is A Laptop?

Difficulty: Easy

A laptop is a small, portable computer that runs off battery with an integrated LCD screen, webcam, keyboard, and touchpad.

What Is PDF

What Is PDF?

Difficulty: Medium

Stands for Portable Document Format. PDF is a universal file format used to save and display electronic documents, like word processing documents, presentations...

What Is A Software Suite

What Is A Software Suite?

Difficulty: Medium

A software suite, also known as an application suite, or a productivity suite, is a collection of two or more computer programs of similar functionality and user interfaces.

What Is Manual Data Processing

What Is Manual Data Processing?

Difficulty: Medium

Manual data processing is a type of data processing that entirely relies on an individual manually entering the data into a system without any automated systems.

What Is Automated Data Processing

What Is Automated Data Processing?

Difficulty: Medium

Automated data processing, also known as electronic data processing, is a type of data processing that relies on automated systems to handle and process the data with little user interaction.

What Is TTL

What Is TTL?

Difficulty: Advanced

Stands for Time To Live. TTL is a value that specifies how long a packet of data or information should remain on a computer or network before being discarded.

What Is MP3

What Is MP3?

Difficulty: Medium

MP3 is a widely used compressed file format that can store high-quality audio. It can also be used to store other data, including metadata, the song title, artist name, album title, and year.

What Is A Touchscreen

What Is A Touchscreen?

Difficulty: Easy

A touchscreen is an electronic display screen that allows users to interact with it by touching it with their fingers or a stylus pen instead of a pointing device, like a mouse.

What Is A Mobile Device

What Is A Mobile Device?

Difficulty: Easy

A mobile device is a handheld, portable device designed to be small enough to easily be taken out and about whilst travelling and moved from one location to another.

What Is A Vlog

What Is A Vlog?

Difficulty: Medium

Short for a video log, a vlog is a type of blog that consists of video content. Most vlogs combine video content with text and images.

What Is Greymail

What Is Greymail?

Difficulty: Medium

Greymail is a type of email that falls in between useful and spam emails. They are generally unwanted, but are solicited and not considered spam.

What Is Click And Collect

What Is Click And Collect?

Difficulty: Easy

Click and collect is a method of selling products online where a customer buys or orders goods from the store's website and picks them up in the store.

What Is A Registry Cleaner

What Is A Registry Cleaner?

Difficulty: Medium

A registry cleaner is a type of third-party utility software used to scan and remove any unneeded or outdated registry entries that the computer no longer uses.

What Is An EPOS

What Is An EPOS?

Difficulty: Medium

Stands for an Electronic Point of Sale. An EPOS is a modern till system used by retailers to handle customer sales.

What Is Abandonware

What Is Abandonware?

Difficulty: Medium

Abandonware is a type of software that is no longer maintained by its owner. Since it is no longer maintained, no official support is available and...

What Is Trialware

What Is Trialware?

Difficulty: Medium

Trialware, also known as demoware, is a type of proprietary software that allows the user to use it free of charge for a limited period of time.

What Is Donationware

What Is Donationware?

Difficulty: Medium

Donationware, also known as donateware, is a type of software that is free to use, but encourages end users to support the creators or a third-party beneficiary by making a donation.

What Is Utility Software

What Is Utility Software?

Difficulty: Easy

Utility software is a type of software specifically designed to help configure, manage, optimise, and maintain a computer.

What Is A Joystick

What Is A Joystick?

Difficulty: Medium

A joystick, sometimes known as a flight stick, is an input device used to control the movement of a cursor on a computer screen, most commonly for video games.

What Is An Embedded Device

What Is An Embedded Device?

Difficulty: Medium

An embedded device, also known as an embedded system, is a specialised device responsible for performing one specific function. It is embedded within a computer system, meaning...

What Is A Digital Camera

What Is A Digital Camera?

Difficulty: Easy

A digital camera, also known as a digicam, is a hardware device that captures photos and records them as digital data. It does this by using an electronic...

What Is A Disk Defragmenter

What Is The Web Content Accessibility Guidelines?

Difficulty: Medium

The Web Content Accessibility Guidelines (WCAG) is a set of guidelines and recommendations released by the W3C for making webpages accessible to...

What Is A Disk Defragmenter

What Is A Disk Defragmenter?

Difficulty: Medium

A disk defragmenter is a software utility that analyses the hard disk and regroups any data so that data related to the same file is in the same location on the hard disk drive.

What Is A Multifunctional Device

What Is A Multifunctional Device?

Difficulty: Easy

A multifunctional device, also known as a multifunctional peripheral, or an all-in-one device, is a type of device that is capable of performing more than one specific function, like input and output.

What Is Bloatware

What Is Bloatware?

Difficulty: Medium

Bloatware is a type of software that uses an excessive amount of disk space, memory, battery, and other system resources, reducing its usefulness and slowing the computer down.

What Is A Barcode Scanner

What Is A Barcode Scanner?

Difficulty: Medium

A barcode scanner, also known as a barcode reader, or point-of-sale (POS) scanner is an input device that can capture information from a barcode.

What Is SQL Injection

What Is SQL Injection?

Difficulty: Advanced

SQL injection is a website vulnerability that allows an attacker to interfere with the SQL queries made to a database. It happens when a user is asked for...

What Is A Driver

What Is A Driver?

Difficulty: Medium

A driver, also known as a device driver, is a computer program without a user interface that enables the operating system and a hardware device to communicate with each other.

What Is An SD Card

What Is An SD Card?

Difficulty: Medium

Stands for Secure Digital card. An SD card is a tiny, portable flash memory card used to store or transfer data between computers and other digital devices, like...

Top 15 Most Commonly Mispronounced Computer Terms

What Is A Webcam?

Difficulty: Easy

A webcam is an input device that connects to a computer to capture and record moving pictures and sound. It is most commonly used for video calls, remote work, online education, and taking photographs.





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  • Computerhelp4all is a site with articles for everyone about the topic of computing, as suggested in the name '4all'.


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