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HomeArticlesI.T Glossary: 70+ Important Information Technology Terms & Meanings
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I.T Glossary: 70+ Important Information Technology Terms & Meanings

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I.T Glossary: 30+ Important Information Technology Terms & Meanings

Sometimes, it occur that we come across some I.T words that we tend to be confused about and just overlook without trying to understand what they really mean. If you want to know the Information Technology terms and their meanings, you are at the perfect place. Keep reading!

Information Technology Terms

Information Technology Terms & Meanings

Let’s go straight to the Information Technology terms and their meanings:

1. ACL

Access Control Entries make up an ACL, or Access Control List. You can specify the kind of traffic to permit on an interface using an ACL. Traffic that isn’t specifically allowed is rejected by default. Typically, ACLs are applied to the interface that receives inbound traffic.

2. Active Directory

A distributed computing environment can use Active Directory, a Microsoft technology, to locate, access, and manage directory resources such user names, network printers, and permissions. Microsoft Active Directory contributes to increased system security, lower system operating costs, and general IT administration simplification.

3. Active Directory Certificates Services

For managing and issuing public key certificates used in software security systems utilizing public key technologies, Active Directory Certificate Services (AD CS) offers configurable services. Read further for other Information Technology terms and their meanings.


In-demand credentials in health information management, coding, billing, and healthcare security are offered by the American Health Information Management Association (AHIMA), the biggest association of health information technicians and the leading certification body in healthcare IT.

5. Application Programming Interface

A software program can interact with other software by using an API, or application programming interface. By utilizing the Google Maps API, mobile developers can, for instance, incorporate Google Maps into a GPS-based mobile application. Read further for other Information Technology terms and their meanings.


The American Society for Engineering Education (ASEE) is the top accrediting authority for engineering training and degree programs. It is a nonprofit organization dedicated to advancing engineering education.

7. Big Data

Data sets that are so massive and complicated that they are beyond the capacity of standard database software to store and analyze are referred to as big data. The ability of an organization to recognize complicated trends and useful intelligence for better decision-making is the business advantage of big data analysis.

8. Business Intelligence

Business intelligence (BI) is a broad category of tools and software that organizations can use to access, collect, and analyze business data in order to make better decisions. Data mining, reporting, online analytical processing, analytics, performance management, benchmarking, and predictive analysis are common functions of business intelligence technology. Already know about this! Read further for other Information Technology terms and their meanings


CADD, which stands for “Computer-Aided Drafting and Design,” is the practice of creating complicated structural and animation designs using software like AutoCAD or Revit Architecture.


The premier certifying authority for health IT degree programs is the “Commission on Accreditation for Health Informatics and Information Management Education” (CAHIIM).

11. “Certified Coding Associate” or CCA

The “Certified Coding Associate” (CCA) accreditation from AHIMA displays coding abilities in a variety of contexts, including medical practices and hospitals. In order to satisfy the needs of health IT employers, the CCA is expanding the pool of trained coders based on job analysis standards and cutting-edge test architecture. Read further for other Information Technology terms and their meanings.

12. “Certified Coding Specialist” or CCS.

The Certified Coding Specialist (CCS) accreditation from AHIMA shows that the holder is an expert at categorizing medical information from patient records. These professionals assign number codes for each diagnosis and operation after reviewing electronic health records. Professionals that hold a CCS certification are familiar with the ICD-9-CM and CPT coding systems as well as medical jargon, disease processes, and pharmacology.

13. Cloud Computing 

When shared resources including data, software, and storage services are made available to computers and other devices over the Internet, this is known as cloud computing. By enabling users to access information without necessarily having the storage space or even the knowledge to configure it themselves, cloud computing expands IT’s current capabilities. Already know this? Read further for other Information Technology terms and their meanings!

14. CNSS

The CNSS, which stands for “Committee on National Security Systems,” establishes requirements for training in information security and assurance. Read further for other Information Technology terms and their meanings.

15. Collisions Detection

In a video game or simulation, collision detection is the process of determining where objects collide. The programmer may need to change the code if a poor collision is discovered in order for gameplay to proceed as intended.

16. CSS

The style sheet language known as CSS, or “Cascading Style Sheets” is used to manage the appearance and format of web pages.

17. DBMS

A database management system (DBMS) is a group of software applications that regulates the development, upkeep, and regular use of databases. Data professionals and database administrators can manipulate and manage an organization’s data thanks to the DBMS. Popular DBMS examples include Oracle, SQL Server, IBM, and MySQL. Read further for other Information Technology terms and their meanings.

Information Technology Terms

18. Degree Completion Program

A prior degree or the equivalent in college credits is required for admission to a degree completion program. For instance, students can use credits from an unfinished bachelor’s degree or an existing associate degree to complete a 4-year degree in just two more years of study.


Protocol for Enhanced Interior Gateways. a Cisco routing system that reduces bandwidth usage and offers quick convergence utilizing the diffusing update algorithm. Read further for other Information Technology terms and their meanings.

20. Firewall

An element of a computer network called a firewall prevents illegal access from outside networks. A network administrator or IT security expert configures it to allow or prohibit network transmissions in accordance with a set of rules. It can be made up of hardware, software, or both.


HCPCS, short for “Healthcare Common Procedure Coding System,” is a collection of health care procedural codes based on the Current Procedural Terminology of the American Medical Association (CPT). Insiders in the healthcare sector frequently pronounce HCPCS as “Hick-Picks.”

22. Highly Availability 

a system’s or a component’s capacity to reduce or prevent network disruption in the event of a component failure.

23. “HTML”

The most common language used to create web pages is HTML, or Hypertext Markup Language.

24. ICT

ICT stands for “Information & Communications Technology” in the IT sector. This may be common but do you know other Information Technology terms and their meanings! Read more!

25. ILT

Any course where the instructor and students communicate in real time is referred to as “Instructor-Led Training”. ILT might take place live online or in person.

26. Information Assurance 

The practice of controlling risks associated with the use, processing, storage, and transmission of digital data, as well as the systems and processes employed for those purposes, is known as information assurance (IA). A subfield or specialization of information security is information assurance.

27. Information Security

The protection of computer systems and data from illegal access, disruption, modification, or destruction is known as information security, also referred to as IT security. IT security expertise is in high demand as cyberattacks become more frequent and sophisticated. Read further for other Information Technology terms and their meanings.

28. Intranet

An intranet is a TCP/IP-based network (an internet) that is located centrally within an organization and is only accessible by those who have been granted permission by the organization or its workers. Pages in an intranet have the same appearance and functionality as pages on public websites, but an intranet’s firewall prevents illegal access.

29. IPv4

Internet Protocol version 4’s acronym. Because it is widely utilized in Ethernet and other data transport topologies, IPv4 is the fourth stable IP revision.

30. IPv6

Version 6 of Internet Protocol.

31. IT Business Analyst

IT business analysts identify ways for a corporation to use technology to enhance workflow or output. Particularly now that every business is looking for methods to reduce costs while retaining productivity, demand for these abilities has soared.

Also Read: Robotics System Engineering Overview: Soft Skills & Duties 2022

32. IT Service Management

The common paradigm for managing IT services known as “IT Service Management” (ITSM) is based on the customer’s viewpoint of IT’s value to the company. ITSM deliberately contrasts with methods for managing IT and conducting business that are concentrated on technology. “Providers of IT services can no longer afford to focus on technology and their internal organization; they now must consider the quality of the services they provide and focus on the relationship with customers.” is an example of a characteristic statement from the ITSM philosophy. Read further for other Information Technology terms and their meanings.

33. “JavaScript”

The scripting language JavaScript is frequently used to add interactive elements to web pages, such as animated pictures or pop-up windows. This may be common but do you know other Information Technology terms and their meanings! Read more!

34. “LAN”

A local area network, often known as a LAN, is a network that connects computers in a restricted space, usually an office or building.

35. Linux

One of the most well-known instances of open-source software is the UNIX operating system Linux, which is available for free use. The Linux operating system is used by many enterprises and government organizations; one reason for this is because Linux licenses are often far less expensive to purchase than those for Windows or Mac OS. Read further for other Information Technology terms and their meanings.

36. Mobile Development Environment

A mobile developer utilizes a software program called a mobile development environment to create, test, and upload programs to mobile devices. Mobile applications can be developed on a desktop computer thanks to the presence of code editors, debuggers, and simulators that simulate the hardware and operating systems of mobile devices.

Apart from the Information Technology terms and their meanings, we recently published an article on Popular Scholarship Terms and their Meanings 2022

37. NAT

The technique of “Network Address Translation” or NAT, lessens the demand for globally unique IP addresses. NAT converts non-worldwide unique addresses into a globally routable address space, enabling an organization with such addresses to connect to the Internet.

38. OSPF

First, open the shortest path. a link-state protocol from the IETF. While OSPFv3 supports IPv6, OSPFv2 only supports IPv4.

39. PHP

Hypertext Preprocessor, or PHP, is a well-liked server-side scripting language that may be used alone to develop expansive websites and sophisticated corporate applications or integrated into HTML to generate a wide range of mini-applications.


The PMBOK, or “Guide to the Project Management Body of Knowledge” is a project management manual and the industry standard for project management. All projectized industries, including those in technology, building, software, engineering, and other fields, must adhere to the PMBOK Guide. The PMBOK Guide Fourth Edition is the most recent edition, and it is the edition that PMI uses to direct its certification program. Read further for other Information Technology terms and their meanings

51. Practicum

A practicum is a college course, typically in a specialized field of study, where students put their learning into practice in the real world while being supervised by practicing professionals. Read further for other Information Technology terms and their meanings.

52. “Registered Health Information Administrator” or RHIA

For managers and supervisors of health information technicians, AHIMA offers the Registered Health Information Administrator (RHIA) certificate. The RHIA is a specialist in keeping health records, running computer systems, gathering and analyzing patient data, using categorization systems, and using medical terminologies. They serve as the crucial link between healthcare providers, payers, and patients. *RHIA certification candidates must have a degree that has received CAHIIM accreditation.

53. RHIT

A health information technician may maintain the quality of electronic health records by confirming their completeness, accuracy, and proper entry into EMR computer systems, according to the Registered Health Information Technician (RHIT) certification from AHIMA. The most sought-after certification for beginning health information professionals is RHIT.Read further for other Information Technology terms and their meanings.

54. Rich Media

Rich media refers to online pages and web components featuring multimedia and/or interactive features with audio, video, or special effects, such as a banner ad that fills the entire screen and starts playing a video clip when the user hovers their mouse pointer over it. Read further for other Information Technology terms and their meanings.

55. SaaS

Software as a Service, or SaaS, refers to a software delivery strategy in which a company’s data is stored online and accessible from any web-connected device. For a monthly or yearly subscription fee, SaaS companies host and manage the servers, databases, and code that govern the data. Because outsourcing data storage in this way is often far less expensive and hassle-free than doing it on-site, businesses adopt SaaS.

56. Server-side Programming Language

Scripts written in server-side programming languages run on the server before being converted into HTML, which can be seen by all web browsers. PHP is the most widely used server-side programming language.Read further for other Information Technology terms and their meanings.

57. Soft Skills

Soft skills, as opposed to “hard skills” which assess your capacity to carry out particular activities, are human qualities that improve your interactions, work performance, and employment prospects. Your personal goals and career path will determine which soft skills are best to develop.

Soft skills including oral and written communication, team/project leadership, contract negotiation, and creative problem solving are frequently in high demand in the IT industry. This may be common but do you know other Information Technology terms and their meanings! Read more!

58. SOHO

A small office or home office is referred to as SOHO. A SOHO network has ten or fewer staff members.

59. SSAS

Online analytical processing (OLAP) and data mining functionality are provided by the SQL “Server Analysis Services” (SSAS) component of the Microsoft SQL Server database software for business intelligence applications. By enabling you to build, develop, and manage multidimensional structures that include data compiled from other data sources, such as relational databases, Analysis Services supports OLAP. By utilizing a wide range of industry-standard data mining algorithms, Analysis Services enables you to develop, generate, and display data mining models that are built from various data sources.

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60. SSIS

A feature of the Microsoft SQL Server database program called SQL “Server Integration Services” (SSIS) can be used to carry out a variety of data migration activities. SSIS is a platform for workflow applications and data integration. It has a quick and adaptable data warehousing tool for importing, transforming, and extracting data (ETL). The tool can also be used to automatically update data in multidimensional cubes and maintain SQL Server databases. Read further for other Information Technology terms and their meanings.

61. SSRS

A feature of the Microsoft SQL Server database software called SQL “Server Reporting Services” (SSRS) offers a comprehensive selection of ready-to-use tools and services to assist you in developing, deploying, and managing business intelligence reports for your company. It also has programming features that let you extend and modify your reporting functionality.

62. Vendor Neutral Certification

An IT credential called a vendor neutral certification verifies your knowledge and expertise in ideas that span several different vendor-technologies. For instance, the CompTIA A+ certification validates your ability to diagnose and fix operating systems from many manufacturers, such as Microsoft, Apple, Novell, and Linux. Read further for other Information Technology terms and their meanings.

63. VB (Visual Basic)

Microsoft created the programming language known as Visual Basic, which allows programmers to create applications and programs with graphical user interfaces (or GUI). Read further for other Information Technology terms and their meanings.

64. VLAN

A VLAN is a collection of devices on one or more LANs that are set up to interact as if they were connected to the same cable even though they are actually spread across several separate LAN segments.

65. VoIP

The routing of voice calls via the Internet or through any other IP-based network is known as “Voice over Internet Protocol” (VoIP). In essence, this technology transforms everyday voice into a digital signal, similar to a CD recording, and then encases that digital signal in a set of IP header data to enable Internet transmission. At its destination, the digital signal is transformed back to a regular voice signal.

66. VPN

A VPN, which stands for “virtual private network,” is a network that gives remote offices or workers on the go internet access to a company’s main network. In order to prevent the leaking of sensitive information to unauthorized users, VPNs frequently demand remote user authentication and frequently secure data with encryption methods.Read further for other Information Technology terms and their meanings.

67. WAN

A wide area network, or WAN, is a network of computers that spans a very sizable territory, like a whole state or nation. This may be common but do you know other Information Technology terms and their meanings? Read more!

68. Web 2.0

Increasing user engagement, user-centered design, peer-to-peer collaboration, dynamic user-driven content, and a rich online experience are all aspects of Web 2.0, which is a loosely defined confluence of website features. In order to obtain a competitive edge in this rapidly expanding and extremely active market, firms are quickly recruiting experienced programmers to improve their presence on the top Web 2.0 sites and incorporate Web 2.0 aspects into existing sites.

Social networks like Facebook, blogs like Mashable, wikis like Wikipedia, video sharing sites like YouTube, and social bookmarking hubs are examples of common Web 2.0 site structures (Digg).

69. Web Browsers 

The World Wide Web contains documents (or pages), which can be viewed, downloaded, uploaded, browsed, or accessed in other ways using a web browser. Internet Explorer, Mozilla Firefox, Opera, Safari, and Google Chrome are a few popular web browsers.

70. Webinar

A webinar, which stands for “Web-based Seminar,” is a presentation, lecture, workshop, or seminar that is broadcast online. Almost anyone with a computer and an internet connection can attend and participate in a webinar because to the extremely low connection requirements of modern webinar software. Read further for other Information Technology terms and their meanings.

71. WLAN

“Wireless Local Area Network” is abbreviated as WLAN. This is the wireless connection of computers, also referred to as WiFi. It is most frequently used for internet access, whether in personal home and workplace networks or open hotspots. Depending on the physical infrastructure, connectivity is restricted to a range of 10 to 200 meters. This may be common but do you know other Information Technology terms and their meanings? Read more!

72. Work Breakdown Structure 

In project management and systems engineering, a work breakdown structure (WBS) is an organized division of a project into smaller deliverable components. It organizes and specifies the project’s overall work scope by defining and classifying each of the various work components.


Extensible Hypertext Markup Language, or XHTML for short, is a combination of HTML and XML created primarily for use on web-connected devices. This will be the last on our Information Technology terms and meanings.

Information Technology Terms

FAQs on I.T Careers

How can I become more knowledgeable about information technology?

You can learn IT in a few different ways, many of which include professional guidance and support. You might take an online course, study independently using tutorials and study materials, or obtain an IT certification. Probably combining all three approaches will result in the best outcome.

Is studying information technology challenging?

If you have a technical mindset and are a good student, learning information technology is not difficult. You'll look at how computers operate and take courses in arithmetic, logic, and programming. It is possible to pass with good grades if you work hard in class and complete the assigned tasks.

What are basic IT skills?

1. Security. Security should be foundational to any IT team.
2. Programming. Being able to program will be a must for those who want to develop software, web applications, and websites.
3. Systems and networks.
4. Data analysis.
5. DevOps.
6. Cloud computing.
7. Machine learning.

Which IT skill is most in demand?

Here is the list of the most in-demand and trending tech skills that will offer you a successful career:

1. Data Science.
2. Cloud Computing.
3. Artificial Intelligence.
4. DevOps.
5. Blockchain.
6. RPA (Robotic Process Automation)
Augmented Reality (AR) and Virtual Reality (VR).
7. Cybersecurity.

Conclusion on Information Technology Terms

You can’t succeed in a career without knowing the terms that made up the field, we want to believe that after reading through the Information Technology terms and their meanings provided in this article, you must have picked a new IT word.

Did we forget some Information Technology terms? Please, provide them in the comments section.


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