IT

Discover the possibilities of a career in IT by exploring the skills and certifications needed for exciting roles in IT support, cybersecurity, cloud computing, and more.

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[Featured image] An IT support specialist is on their laptop researching about the different types of RAM.

What Is Random Access Memory?

Random access memory (RAM) is a hardware component that provides memory storage in computing devices. Learn more about the various types of RAM and their role in optimizing your computing experience.

August 23, 2023

Article

[Featured image] A cybersecurity tech in a gray shirt stands up, looking at a tablet in front of a wall of video security monitors, working with hashing.

What Is Hashing in Cybersecurity?

Hashing is an encryption technique used in cybersecurity to protect and manage information. Learn more about what hashing is and how it’s used.

August 23, 2023

Article

[Featured image] A learner is reading about encapsulation on their tablet while sitting on a flight of stairs.

What Is Encapsulation?

Learn what encapsulation is, how you can use it in programming, and why it’s important for digital security.

August 23, 2023

Article

[Featured image] An IT support specialist is on their laptop researching about the different types of RAM.

What Is Random Access Memory?

Random access memory (RAM) is a hardware component that provides memory storage in computing devices. Learn more about the various types of RAM and their role in optimizing your computing experience.

August 23, 2023

Article

[Featured image] A cybersecurity tech in a gray shirt stands up, looking at a tablet in front of a wall of video security monitors, working with hashing.

What Is Hashing in Cybersecurity?

Hashing is an encryption technique used in cybersecurity to protect and manage information. Learn more about what hashing is and how it’s used.

August 23, 2023

Article

Explore popular IT courses

Status: Free Trial
Status: AI skills

Microsoft

Skills you'll gain: Microsoft 365, Network Security, Business Software, Computer Hardware, Cybersecurity, Microsoft Office, Desktop Support, Virtual Private Networks (VPN), Network Troubleshooting, Technical Support, Hardware Troubleshooting, Generative AI, Operating Systems, Collaborative Software, System Support, Network Protocols, TCP/IP, Application Security, Microsoft Teams, Cloud Computing

4.7
Rating, 4.7 out of 5 stars
1.4K reviews

Beginner · Professional Certificate · 3 - 6 Months

Status: Free Trial

IBM

Skills you'll gain: Information Technology, Computer Hardware, Cloud Computing, Network Troubleshooting, Software Installation, Technical Support and Services, Cybersecurity, Hardware Troubleshooting, Data Storage, Database Software, Operating Systems, Computer Networking, IT Infrastructure, Virtual Private Networks (VPN), Project Management

4.7
Rating, 4.7 out of 5 stars
266 reviews

Beginner · Course · 1 - 3 Months

Status: Free Trial
Status: AI skills

Google

Skills you'll gain: IT Security Architecture, Computer Networking, Operating System Administration, Package and Software Management, Network Troubleshooting, Version Control, IT Automation, Systems Administration, IT Infrastructure, TCP/IP, Git (Version Control System), Chef (Configuration Management Tool), Network Security, Ruby (Programming Language), File Systems, Microsoft Windows, Computer Hardware, Technical Support, Interviewing Skills, Professional Development

Build toward a degree

4.8
Rating, 4.8 out of 5 stars
210K reviews

Beginner · Professional Certificate · 3 - 6 Months

[Featued image] A person is researching the different routers on their phone while sitting at their desk.

What Is a Router?

Learn why a router is an important piece of computer hardware and what you need to know to maintain and troubleshoot it.

August 23, 2023

Article

[Featued image] A learner is outside working on a laptop and learning about a command-line interface.

What Is a Command-Line Interface?

All computers, regardless of the operating system, feature a command-line interface that enables user-computer interactions. Learn how it differs from a graphical user interface and the benefits of interacting directly with the command line.

August 22, 2023

Article

[Featued image] A cybersecurity analyst is working from home and is learning about public keys.

What Is a Public Key?

Learn what a public key is, how it relates to public key encryption, and when you might need to use one.

August 22, 2023

Article

[Featured image] A cybersecurity analyst is on their laptop learning about the different intrusion detection systems.

What Is an Intrusion Detection System?

Explore how intrusion detection systems strengthen network security and safeguard against potential cyber threats.

August 22, 2023

Article

[Featured image] A cybersecurity analyst is working with physical servers while holding a laptop.

What Is a DDoS Attack?

Learn more about distributed denial of service (DDoS) attacks, including the different attack types and tips for preventing them.

August 21, 2023

Article

[Featured Image] Two professionals examining the motherboard of a robot.

What Is a Motherboard?

Learn more about motherboards and what you may need to know for an information technology career.

August 21, 2023

Article

[Featured image] Two people sit next to each other at a shared desk and work on separate computers in a dimly lit open office space.

What Is an Operating System?

Learn about the role an operating system (OS) plays in computer processes, as well as common types of operating systems.

August 21, 2023

Article

[Featured image] A person in a blue shirt sits at a desk next to a window and works with code on a laptop and secondary monitor.

What Is a CPU?

Learn what a central processing unit (CPU) is, how it enables a computer to function through the instruction cycle process, and the factors that influence CPU speed.

August 21, 2023

Article

[Featured image] A person in a gray hoodie sits at their desk and launches BIOS on their desktop computer.

What Is BIOS?

Every time your computer boots up, it relies on BIOS to ensure everything is working properly. Learn more about this firmware and what you can do with BIOS.

August 21, 2023

Article

[Featured image] A learner is reading about encapsulation on their tablet while sitting on a flight of stairs.

What Is Encapsulation?

Learn what encapsulation is, how you can use it in programming, and why it’s important for digital security.

August 23, 2023

Article

[Featued image] A person is researching the different routers on their phone while sitting at their desk.

What Is a Router?

Learn why a router is an important piece of computer hardware and what you need to know to maintain and troubleshoot it.

August 23, 2023

Article

[Featued image] A learner is outside working on a laptop and learning about a command-line interface.

What Is a Command-Line Interface?

All computers, regardless of the operating system, feature a command-line interface that enables user-computer interactions. Learn how it differs from a graphical user interface and the benefits of interacting directly with the command line.

August 22, 2023

Article

[Featued image] A cybersecurity analyst is working from home and is learning about public keys.

What Is a Public Key?

Learn what a public key is, how it relates to public key encryption, and when you might need to use one.

August 22, 2023

Article

[Featured image] A cybersecurity analyst is on their laptop learning about the different intrusion detection systems.

What Is an Intrusion Detection System?

Explore how intrusion detection systems strengthen network security and safeguard against potential cyber threats.

August 22, 2023

Article

[Featured image] A cybersecurity analyst is working with physical servers while holding a laptop.

What Is a DDoS Attack?

Learn more about distributed denial of service (DDoS) attacks, including the different attack types and tips for preventing them.

August 21, 2023

Article

[Featured Image] Two professionals examining the motherboard of a robot.

What Is a Motherboard?

Learn more about motherboards and what you may need to know for an information technology career.

August 21, 2023

Article

[Featured image] Two people sit next to each other at a shared desk and work on separate computers in a dimly lit open office space.

What Is an Operating System?

Learn about the role an operating system (OS) plays in computer processes, as well as common types of operating systems.

August 21, 2023

Article

[Featured image] A person in a blue shirt sits at a desk next to a window and works with code on a laptop and secondary monitor.

What Is a CPU?

Learn what a central processing unit (CPU) is, how it enables a computer to function through the instruction cycle process, and the factors that influence CPU speed.

August 21, 2023

Article

[Featured image] A person in a gray hoodie sits at their desk and launches BIOS on their desktop computer.

What Is BIOS?

Every time your computer boots up, it relies on BIOS to ensure everything is working properly. Learn more about this firmware and what you can do with BIOS.

August 21, 2023

Article

In today's rapidly evolving technological landscape, IT professionals with specialized skills are highly sought after across many industries. A career in IT provides the opportunity to harness your technical expertise to drive innovation and streamline business processes. Delve into the diverse career paths, critical skills, and various roles within the IT field to embark on a fulfilling and impactful career that shapes the future of technology.

Ready to start learning? Explore our catalog of IT support, network, and cloud computing courses for beginners and experienced professionals. 

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