Understand IT—One Term at a Time

A Simple Glossary for Complex Tech

Technology doesn’t have to be confusing. Whether you’re a business owner, office manager, or just brushing up, our IT Glossary breaks down the most common tech terms into plain English—so you can make informed decisions with confidence.

1. API (Application Programming Interface)
A set of rules and tools that allows different software applications to communicate and share data.

2. Backup
A copy of data stored separately to restore original data in case of loss, corruption, or disaster.

3. Bandwidth
The maximum rate of data transfer across a network, typically measured in Mbps or Gbps.

4. Cloud Computing
The delivery of computing services (servers, storage, databases, networking, software) over the internet (“the cloud”).

5. Cybersecurity
The practice of protecting systems, networks, and data from digital attacks, theft, or damage.

6. DNS (Domain Name System)
Translates human-friendly domain names (like example.com) into IP addresses used by computers.

7. Endpoint
Any device (computer, mobile phone, printer) that connects to a network.

8. Firewall
A network security system that monitors and controls incoming and outgoing traffic based on security rules.

9. IT Support
Services provided to help users and organizations maintain and troubleshoot IT systems and infrastructure.

10. Managed Services
Outsourced IT services provided by a third party (MSP) that proactively manage and maintain a company’s technology infrastructure.

11. MSP (Managed Service Provider)
A company that remotely manages a customer’s IT services and infrastructure.

12. Network
A collection of computers and devices connected to share resources and data.

13. Phishing
A cyberattack that attempts to trick users into revealing sensitive information (like passwords) via fake emails or websites.

14. RMM (Remote Monitoring & Management)
Tools used by MSPs to monitor client networks and systems remotely, perform maintenance, and deploy updates.

15. SaaS (Software as a Service)
Software that is accessed via the internet rather than installed locally, typically through a subscription model.

16. Server
A computer or system that provides resources, data, or services to other computers, called clients.

17. Two-Factor Authentication (2FA)
A security process that requires two forms of identification to access systems or data.

18. Uptime
The amount of time a system or service is operational and available, typically expressed as a percentage.

19. Virtualization
The creation of a virtual version of something, such as a server or operating system, to optimize resources.

20. VPN (Virtual Private Network)
A secure connection over the internet that encrypts data and hides user activity.

Industries We Serve

Law Firms & Legal Services

Confidential, compliance-ready IT for firms that rely on security and uptime.

Real Estate & Construction

From CAD support to jobsite connectivity—IT that keeps projects moving.

Property & Asset Management

Secure IT systems for tenant data, accounting, and portfolio management.

Professional Firms & Agencies

Scalable IT, ERP/CRM support, and cloud solutions for service-based businesses.

Manufacturing & Industrial

Reliable IT for production, automation, and compliance-driven operations.

Tech, SaaS & Startups

Agile, cloud-first infrastructure and compliance support for high-growth teams.

Nonprofits & Organizations

Cost-effective IT and Union Impact software to power missions and members.

Public Sector & Government

Secure, compliant IT that protects data and ensures uptime for civic operations.

Education & Training

Cloud collaboration and device management to support schools and institutions.

Corporate & Hybrid Offices

Modern IT solutions for distributed teams, remote work, and multi-office environments.

Finance & Insurance
Companies

Regulatory-ready IT systems designed to protect sensitive financial data.

Healthcare & Medical

HIPAA-compliant IT systems that prioritize patient care, data security, and compliance.

Media & Advertising

Reliable IT infrastructure, creative file storage, and collaboration platforms for agencies.

Oil & Gas

Robust IT systems, compliance tools, and field connectivity for energy sector operations.

Energy & Utilities

Critical infrastructure IT that ensures uptime, cybersecurity, and compliance for power and utilities.

Let’s Solve Your IT Challenges Together

Our U.S.-based team is here and ready to help.

We specialize in responsive, business-focused IT support that minimizes downtime and boosts productivity. No call centers, no long wait times—just experienced technicians ready to assist.

Contact us for:

  • Free IT consultations and quotes

  • Remote and onsite support requests

  • Questions about our managed IT plans

  • Emergency tech assistance

  • Project or compliance inquiries (HIPAA, SOC2, PCI)

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Business Computer Technicians is here to keep your systems running smoothly. Whether it’s network issues, computer repairs, or ongoing support — we’ve got you covered.

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