✅ What is Output Unit? 🔸 Definition: The Output Unit is a part of the computer system that presents the processed data or information to the user in a…
A firewall is a security system that controls the incoming and outgoing network traffic. In Linux, a firewall helps protect the system from unauthorized access, viruses, and hackers by…
✅ 1. Introduction: A Network Security Specialist is an IT professional who protects computer networks from hackers, viruses, and unauthorized access.They keep data safe, secure, and private. ✅ 2.…
🔷 1. Introduction Windows NT stands for Windows New Technology.It is an operating system developed by Microsoft.Windows NT was first released in 1993.It is a multi-user, multitasking operating system…
🛠️ Topic: What is Network Maintenance? 📌 Definition: Network Maintenance means regularly checking and taking care of the computer network so that everything works smoothly — like internet, file…
🎓 Lecture: What is a Scanner? 🔷 1. What is a Scanner? A scanner is an input device used to convert physical documents or images into digital format.It reads…
What is a Keyboard? (In Hindi) 🔹 1. Keyboard क्या होता है? 👉 Keyboard एक Input Device है।👉 इसका उपयोग कंप्यूटर में letters (A-Z), numbers (0-9), symbols और instructions…
🔹 1. Introduction (Linux Shell Command क्या होती है?) Shell एक प्रोग्राम होता है जो यूज़र से कमांड लेकर कंप्यूटर को काम करवाता है। Shell Commands वो निर्देश (Instructions)…