🕶️ AI GLASSES – COMPLETE EXAM NOTES 1. What are AI Glasses? AI Glasses are smart wearable devices that use Artificial Intelligence (AI) to provide real-time information, assistance, and interaction through a pair of glasses…
Computer MCQ Questions asked in JKSSB Junior Assistant Exam held on 19 April 2026 Hardware and Operating Systems 1. Match the following devices with their corresponding descriptions: Devices: 1. Haptic Gloves, 2. Tac…
☁️ CLOUD COMPUTING – COMPLETE NOTES 📌 1. Introduction to Cloud Computing Cloud computing is the delivery of computing services (servers, storage, databases, networking, software) over the internet (“cloud”). 🔑 Key Idea: I…
Mail Merge in MS Word By Home academy Mail Merge is a powerful feature in Microsoft Word that allows users to create multiple personalized documents, such as letters, envelopes, labels, and emails, by combining a standard tem…
Firewall and it's type by home academy A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted…
Windows Operating System Windows is a widely used graphical operating system developed by Microsoft . It provides an interface for users to interact with computers using graphical elements such as windows, icons, menus, and poi…
Types of USB Connectors Universal Serial Bus (USB) connectors are the standard interface for connecting a wide range of devices such as keyboards, mice, storage drives, cameras, printers, and smartphones to computers and other …
Virtual Memory Virtual memory is an essential concept in modern computer systems that provides the illusion of a very large main memory, even when the physical RAM is limited. It allows programs to execute smoothly even if thei…
🖥️ CENTRAL PROCESSING UNIT (CPU) – Complete Notes (Home Academy | Exam-Oriented for JKSSB, SSC, Bank, UGC NET) 1. Meaning of CPU The Central Processing Unit (CPU) is known as the brain of the computer . It performs all the i…
difference between RAM and ROM : Feature RAM (Random Access Memory) ROM (Read Only Memory) Full Form Random Access Memory Read Only Memory Volatility Volatile – loses data when power is off Non-volatile – retains data even wi…
💾 COMPUTER STORAGE DEVICES – Complete Notes (Home Academy | Exam-Oriented for JKSSB, SSC, Bank, UGC NET) 1. Meaning of Storage Devices Storage devices are hardware devices used to store data and information permanently or temp…
💻 COMPUTER HARDWARE – Complete Notes (Home Academy | Exam-Oriented for JKSSB, SSC, Bank, UGC NET) 🔹 1. Meaning of Hardware Hardware refers to the physical components of a computer system that you can touch and see. Hardwar…
🖥️ INPUT AND OUTPUT DEVICES – Complete Notes (Home Academy | Exam-Oriented for JKSSB, SSC, Bank, UGC NET) 🔹 1. Meaning of Input Devices Input devices are hardware devices used to provide data and control signals to a compute…
💻 OPEN SOURCE TECHNOLOGY – Complete Notes (Home Academy | Exam-Oriented for JKSSB, SSC, Bank, UGC NET) 🔹 1. Meaning of Open Source Technology Open Source Technology refers to software whose source code is publicly available …
🌐 INTERNET – Complete Notes (Home Academy | Exam-Oriented for JKSSB, SSC, Bank, UGC NET) 🔹 1. Meaning of Internet The Internet is a global network of interconnected computers that communicate using standard protocols like TCP…
📧 MCQs on E-mail Invention (Exam Oriented) 1. Who is known as the inventor of e-mail? A) Tim Berners-Lee B) Ray Tomlinson C) Bill Gates D) Vint Cerf ✅ Answer: B) Ray Tomlinson 2. In which year was e-mail invented? A) 1965 B) 1…
MCQ on E-Mail – 📧 E-Mail – 20 MCQs 1. E-mail stands for: A) Electronic Mail B) Electric Mail C) Express Mail D) External Mail ✅ Answer: A) Electronic Mail 2. Which protocol is used to send e-mails? A) POP3 B) IMAP C) SMTP D) FT…
📧 SMTP (Simple Mail Transfer Protocol) SMTP (Simple Mail Transfer Protocol) is the standard protocol used for sending emails over the internet. 👉 Important: SMTP → Used to SEND emails IMAP / POP3 → Used to RECEIVE emails 🔹…