Bug: Definition, Examples


A bug, in technology terms, refers to an error or flaw in a computer program or system that leads to unexpected and incorrect results. It can be a result of mistakes or oversights made during the software development process. Fixing such bugs involves identifying, isolating, and rectifying these programming errors, a process referred to as debugging.


The phonetic spelling of the word “Bug” is /bʌɡ/.

Key Takeaways

I’m sorry, but I don’t have any specific information about which “Bug” you’re referring to. Could you please provide more context or details? Are you asking about software bugs, about a specific insect, a movie, or something else? Once I have more information, I can generate an HTML code for you.


The term ‘bug’ carries significant importance in the realm of technology as it refers to an error, glitch, fault, or flaw in a system or computer program that causes it to produce an incorrect or unexpected result, or behave in unintended ways. The discovery, identification, and fixing of these bugs, known as debugging, plays a pivotal role in software development, quality control, and technology maintenance. Moreover, the severity of bugs can range from minute inconveniences to substantial issues that can lead to system crashes, data loss, security breaches, and other critical problems. As such, understanding and addressing bugs is indispensable for ensuring the efficiency, reliability, and safety of technology systems.


In the context of technology, a bug refers to an error, flaw, failure, or fault in a computer program or system that leads to unexpected and incorrect results. The primary purpose of identifying these bugs is to fix them, thereby enhancing the program’s functionality and user experience. Bugs could arise from software inconsistencies, logic errors, system memory issues, or even a tiny mistake in code syntax. The severity of a bug may range from minor features not functioning correctly to problems that can potentially cause software or system crashes.To address bugs, development teams often use the process of debugging. Debugging is a systematic process that identifies, isolates, and corrects the bug. It is an integral part of software development used to ensure the software performs as expected and provides accurate results. By debugging software, developers can ensure the software’s stability, security, and efficiency. Thus, bugs serve a critical purpose in the development process, driving developers to improve their code, ultimately resulting in the creation of reliable and robust software applications.


1. Y2K Bug: This was a computer bug that was projected to create havoc as the year changed from 1999 to 2000. Many feared that computer systems around the world might crash because many programs represented four-digit years with only the final two digits—making the year 2000 indistinguishable from 1900.2. Pentium FDIV Bug: In Intel’s Pentium chip, this bug caused inaccurate floating point division calculations in certain conditions. This led to public outcry and widespread negative press for Intel, causing them to replace the defective chips.3. Apple’s iOS Autocorrect Bug: In 2017, a software bug in Apple’s iOS turned “i” into “I.A [?]” in iPhone’s autocorrect feature. The bug was swiftly addressed in an ensuing software update.

Frequently Asked Questions(FAQ)

Sure, here it is:**Q1: What is a Bug in technology?**A: A bug in technology refers to a technical error, flaw, failure, or glitch in a software system or computer program that generates an incorrect or unexpected output, or makes it behave in unintended ways.**Q2: What are the possible causes of Bugs?**A: Bugs can be caused by various reasons, such as software incompatibility, design deficiencies, logic errors, violation of programming rules, or even unforeseen end-user behavior.**Q3: What is the process of finding a Bug known as?**A: The process of finding bugs in a program is referred to as ‘debugging.’**Q4: How can Bugs be avoided?**A: While it’s nearly impossible to avoid bugs completely, proper planning, designing, programming practices, and thorough testing can significantly reduce the chance of bugs appearing in the final output.**Q5: How are Bugs fixed?**A: Bugs are fixed through the process of Debugging. It involves identifying the source of the problem, isolating the section of the code, fixing the error, and re-testing the system to ensure the problem has been solved.**Q6: What is a “Bug Report”?**A: A Bug Report is a document that explains a software bug found during testing. It usually includes details about the bug, steps to reproduce it, its severity, and the hardware and software environment in which it was discovered.**Q7: What is Bug Tracking System?**A: A Bug Tracking System is a software application that is designed to help programmers keep track of reported software bugs in their work.**Q8: What’s the difference between a bug and an error?**A: A bug is a fault in a program that causes it to produce incorrect or unexpected results. An error is a human action or decision that produces a result that was not intended or desired.**Q9: Can a bug damage my computer?**A: Most software bugs don’t cause damage to your computer hardware. However, certain bugs can cause system instability and could, potentially, lead to a system crash or data loss.**Q10: What is a ‘Zero-Day Bug’?**A: A ‘Zero-Day Bug’ is a software bug that is unknown to the people who should be interested in fixing it. Because the vulnerability is not known, it can be exploited by hackers. Once the bug becomes known to the software developers, they usually create and release a patch to fix it.

Related Technology Terms

  • Debugging
  • Error Report
  • Software Patch
  • Regression
  • Software Testing

Sources for More Information


About The Authors

The DevX Technology Glossary is reviewed by technology experts and writers from our community. Terms and definitions continue to go under updates to stay relevant and up-to-date. These experts help us maintain the almost 10,000+ technology terms on DevX. Our reviewers have a strong technical background in software development, engineering, and startup businesses. They are experts with real-world experience working in the tech industry and academia.

See our full expert review panel.

These experts include:


About Our Editorial Process

At DevX, we’re dedicated to tech entrepreneurship. Our team closely follows industry shifts, new products, AI breakthroughs, technology trends, and funding announcements. Articles undergo thorough editing to ensure accuracy and clarity, reflecting DevX’s style and supporting entrepreneurs in the tech sphere.

See our full editorial policy.

More Technology Terms

Technology Glossary

Table of Contents