Information Technology (IT) is the use of computers, software, networks, and digital systems to collect, process, store, protect, and share information.
In simple words:
Information Technology means using technology to work with information.
Main parts of Information Technology:
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Hardware – computers, servers, storage devices
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Software – operating systems, applications
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Networks – internet, LAN, WAN
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Data – digital information
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People – users and IT professionals
Uses of Information Technology:
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Education (online classes, e-learning)
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Business (billing, accounting, management systems)
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Healthcare (hospital management, digital reports)
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Communication (email, video calls)
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Banking and finance
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Government services (e-governance)
Example:
When you use a computer to save student records, send emails, or run a hospital management system—that is Information Technology.
If you want, I can also give:
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Short exam definition
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Difference between IT and ICT
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Real-life examples for students
Java is a high-level, object-oriented programming language used to create software, websites, mobile apps, and enterprise systems.
Simple definition:
Java is a programming language that allows developers to write code once and run it on any device that has Java installed.
Key features of Java:
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Platform independent (Write Once, Run Anywhere)
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Object-Oriented (uses classes and objects)
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Secure and reliable
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Multithreaded (can run multiple tasks at once)
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Robust (strong memory management)
Where Java is used:
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Android app development
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Web applications
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Desktop software
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Banking and financial systems
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Large enterprise applications
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Games and server-side applications
Example:
ATM machines, banking software, Android apps, and large business systems often use Java.
Very short exam answer:
Java is a high-level, object-oriented, platform-independent programming language developed by Sun Microsystems.
If you want:
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Java vs C++ comparison
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Java basics for beginners
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Java MCQs for exams