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Lesson 3.3: The Purpose and Proper Use of Software
Domain 3.0 | Applications and Software — 18% of exam Learning Objectives By the end of this lesson, you will be able to: Key Terms Term Definition System software Software that manages a computer’s hardware and provides a platform for other software, including the operating system. Application software Software designed to help a user perform...
Lesson 3.2: The Purpose of Operating Systems
Domain 3.0 | Applications and Software — 18% of exam Learning Objectives By the end of this lesson, you will be able to: Key Terms – The Purpose of Operating Systems Term Definition Desktop OS An operating system designed for general-purpose use on a desktop or laptop computer. Mobile OS An operating system designed specifically...
Best AI Lip Sync Tools of 2026
AI-powered lip sync technology has rapidly evolved from experimental software into a core part of modern digital content creation. In 2026, creators, marketers, agencies, and even enterprise teams rely on AI lip sync tools to produce realistic talking videos, localized content, AI avatars, and dynamic social media clips—without expensive production setups. If you’re looking for...
Lesson 2.9: Small Wireless Network Capabilities
Domain 2.0 | Infrastructure — 24% of exam Learning Objectives By the end of this lesson, you will be able to: Key Terms Term Definition Wi-Fi A family of wireless networking standards, based on the IEEE 802.11 specification, used to connect devices to a LAN without cables. SSID (Service Set Identifier) The public name of...
Lesson 2.7: Internet Service Types
Domain 2.0 | Infrastructure — 24% of exam Learning Objectives By the end of this lesson, you will be able to: Key Terms Term Definition ISP (Internet Service Provider) A company that provides internet access to homes and businesses. Bandwidth The maximum amount of data a connection can transfer in a given amount of time,...
Lesson 2.6: Virtualization and Cloud Technologies
Domain 2.0 | Infrastructure — 24% of exam Learning Objectives By the end of this lesson, you will be able to: Key Terms Term Definition Virtualization The technology that allows one physical computer to run multiple independent, isolated virtual systems simultaneously. Virtual machine (VM) A software-based emulation of a complete computer, including its own virtual...
Lesson 2.5.1: Networking and Peripheral Connectors
Domain 2.0 | Infrastructure — 24% of exam Learning Objectives By the end of this lesson, you will be able to: Key Terms Term Definition RJ45 The standard 8-pin connector used to terminate twisted-pair Ethernet cabling for wired networking. RJ11 A smaller 4- or 6-pin connector traditionally used for analog telephone lines. PS/2 A small...
Proxy Orb Explained: What It Is, What It Actually Protects, and What It Doesn’t
If you’ve come across “Proxy Orb” (branded as ProxyOrb) while looking into ways to access a blocked website, you’re looking at one of many free, browser-based web proxy services that have popped up in recent years. It’s a real product, not a scam name — but understanding what a service like this actually does under...
P Bay Proxy Sites: The Cybersecurity Risks Nobody Talks About
If you’ve searched for a “P Bay proxy,” you already know what The Pirate Bay is and you’re probably looking for a way around a block — whether that’s your ISP, your school or workplace network, or a government-level restriction in your country. What most of that search traffic doesn’t find is a clear explanation...
Lesson 2.3: Storage Types
Domain 2.0 | Infrastructure — 24% of exam Learning Objectives By the end of this lesson, you will be able to: Key Terms – Storage Types Term Definition Non-volatile storage Storage that retains its data even when power is removed, unlike RAM. HDD (Hard Disk Drive) A storage device that reads and writes data magnetically...