Computer Hardware, Memory and Troubleshooting for Computer Operator
Computer hardware for Computer Operator: CPU, motherboard, RAM and ROM types, memory units, storage devices, booting, BIOS, POST and basic troubleshooting, with a 50-question quiz.
Computer Knowledge
Computer Knowledge notes for Lok Sewa: computer basics, hardware and software, operating systems, MS Word, Excel and PowerPoint, the internet and email, networks, cyber security and the Electronic Transaction Act. These topics are asked in almost every paper, from Kharidar and Nayab Subba to Computer Operator. Each note keeps to what the syllabus asks, explains shortcuts and terms with examples, and links to practice quizzes. Computer Operator candidates should also see the Computer Operator model papers for full-length practice.
HTML and Web Design Basics for Computer Operator: Tags, Tables, Forms and CSS
HTML and web design for Computer Operator: page structure, common tags, lists, tables, links, images, forms and CSS basics, with a 50-question quiz.
Database (DBMS) and SQL Basics for Computer Operator: Keys, Normalisation and Commands
DBMS and SQL for Computer Operator: tables, records, keys, relationships, normalisation and SQL commands (DDL, DML, DCL, TCL) with examples and a 50-question quiz.
Number Systems for Computer Operator: Binary, Octal, Decimal and Hexadecimal Conversion
Number systems for Computer Operator: binary, octal, decimal and hexadecimal, conversions with steps, binary addition, complements and data units, with a 50-question quiz.
Input and Output Devices, Printers and Ports: Computer Notes for Lok Sewa
Input and output devices, OCR, OMR, MICR, impact and non-impact printers, and computer ports (USB, HDMI, VGA, RJ-45) for Lok Sewa, with a 20-question quiz.
Kharidar Computer Skill Test Guide: Devanagari and English Typing, Windows Basics and MS Word (with Marking Scheme)
Kharidar final stage: computer skill test (10 marks, 15 minutes): Devanagari and English typing marking scheme, Windows basics and MS Word tasks, with practice tips.
E-Governance (विद्युतीय शासन) and Safe Use of ICT in Government Offices
Kharidar Paper III units 1.11–1.12: e-governance (meaning, models, examples in Nepal, benefits, challenges) and the importance of ICT and precautions for its safe use.
Programming Languages, Translators and Algorithms: Generations, Compiler, Interpreter and Flowchart
Computer Operator and other IT papers in Lok Sewa regularly ask about generations of programming languages, the difference between a compiler and an interpreter, who made C or Java, and what each flowchart symbol means. This note explains these topics in simple language, with tables to help you revise quickly before the exam.
Emerging Technologies: Artificial Intelligence, Cloud Computing, IoT, Blockchain and Big Data
Artificial intelligence, cloud computing, the Internet of Things, blockchain and big data are changing how governments and businesses work, and Lok Sewa now asks about them in computer and general knowledge papers. This note explains each technology in simple words, gives the key terms, inventors and dates, and links them to Nepal, including the National Artificial Intelligence Policy approved in 2025.
IT in Nepal: IT Policy, Electronic Transactions Act 2063, Cyber Crime and E-Governance
Questions about computers in Nepal, IT policies, the Electronic Transactions Act and e-governance are common in Lok Sewa General Knowledge and computer papers, and in the written papers for officers. This note collects the key facts in one place.