Page 27

What Is An External Hard Drive?

Difficulty: Medium

An external hard drive, also known as a removable hard drive, is a portable hard drive, around the size of a book, that connects to computers by USB.

What Is Infrared Communication?

Difficulty: Medium

Infrared communication is a wireless technology that transmits data using infrared light. Infrared has a slightly longer wavelength than visible light and is undetectable to the human eye.

What Is The Difference Between IT and Computer Science?

Difficulty: Easy

IT and computer science are sometimes confused and overlap with each other, but they are two different fields. There are some key differences between them that you should know.

What Is An Access Level?

Difficulty: Medium

An access level is a way of restricting access to specific users. Access levels are related to file permission, but go beyond just files.

Should I Regularly Change My Password?

Difficulty: Easy

You have probably heard from multiple sources that you should regularly change your password every six months, every three months, or even every month. This is a common myth.

What Is Mobile Data?

Difficulty: Easy

Mobile data, also known as mobile broadband, refers to internet connectivity provided to mobile devices, such as smartphones and tablets over a wireless cellular connection.

What Is A Packet Sniffer?

Difficulty: Medium

A packet sniffer, also known as a packet analyser is a piece of software used to gather and analyse some or all of the packets that pass through a computer network.

What Is The Registry?

Difficulty: Medium

The registry is a hierarchical database of settings, user preferences, operating system configurations, information, options, and software and hardware values used by Microsoft Windows.

What Factors Affect The Choice Of A Network?

Difficulty: Easy

Before choosing a network, it is important to carefully consider various factors so that you choose one suitable for your needs and make an informed decision.

What Factors Affect The Choice Of An IT System?

Difficulty: Easy

When choosing an IT system, it is important to carefully consider various factors so that you buy one suitable for your needs and make an informed decision.

What Would Happen If The Internet Stopped Working?

Difficulty: Easy

It is almost impossible that the internet would ever stop working or collapse. The internet is a group of connected computers all around the world with no on/off switch.

What Is The HTML <address> Tag?

Difficulty: Medium

In HTML, the <address> tag is used to define the contact information for the author of an article, document, or section. It often contains the email address.

What Is The HTML <acronym> Tag?

Difficulty: Medium

In HTML, the <acronym> tag is used to define an acronym for a word. An explanation of the word is shown when hovering the mouse over it, which is specified in the title attribute.

What Is The HTML <blink> Tag?

Difficulty: Medium

In HTML, the <blink> tag was used to specify a section of blinking text that slowly flashes. It was introduced by Netscape Navigator.

What Is The HTML <center> Tag?

Difficulty: Medium

In HTML, the <center> tag was used to horizontally align text in the centre of the webpage. It is deprecated and not supported in HTML5.

What Is The HTML <article> Tag?

Difficulty: Medium

In HTML, the <article> tag is used to specify separate and self-contained content. It is often used to display independent content that is distributed separately from the rest of the page.

What Is An Activation Key?

Difficulty: Medium

An activation key, also known as a licence key, a product key, or a software key, is a unique string of alphanumeric characters often separated by hyphens, used to register a software application.

What Is Memory Management?

Difficulty: Medium

Memory management refers to the ways that operating systems manage memory. Operating systems help to manage memory (RAM) on an operating system by deciding how much RAM each process.

What Is Cybersecurity Incident Management?

Difficulty: Medium

Cybersecurity incident management is the process of identifying, analysing, and managing threats, cyberattacks, and incidents in real time. A cybersecurity incident could be an active threat.

What Is Commercial Software?

Difficulty: Medium

Commercial software, sometimes known as payware, is a type of software that requires payment before it can be used. After payment, users can use all the features of the software without any restrictions.

What Is Freeware?

Difficulty: Medium

Freeware is a type of software that is made available to other users free of charge. It allows users to use it for as long as they want to without having to pay.

What Is Productivity Software?

Difficulty: Easy

Productivity software is a type of software that is designed to allow users to produce things. It is most often used for businesses to allow tasks to be completed more efficiently.

What Is A Large Key Keyboard?

Difficulty: Medium

A file extension, also known as a file suffix, or a filename extension, is an ending of a file used to identify the file type.

What Is A File Extension?

Difficulty: Medium

A file extension, also known as a file suffix, or a filename extension, is an ending of a file used to identify the file type.

What Is User Experience?

Difficulty: Easy

User experience (UX) is the overall feeling a user gets when using a software program, website, web-based application, or hardware device.

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?

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?

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?

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?

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.