Junior Office Assistant (IT) Book – Computer Operator/Data Entry Operator by Elite Study Team


495.00 440.00

(1) Introduction to Computer

Introduction, Definition of Computer, Need for Computer literacy, IT, Parts of Computer, Characteristics of the Computer, Evolution of Computers, Generation of Computer, Classification of Computer, Summary, Abbreviation, Single Liner & MCQ.

(2) Basic Structure of Computer System

Computer Components, Basic Computer Operations, Functional Units, Personal Computer Configuration, Summary, Abbreviation, Single Liner & MCQ.

(3) Number System

introduction, Positional Number System, Non-Positional Number System, Binary Number System, Octal Number System, Decimal Number System, Hexadecimal Number System, Why Binary, BCD Code, EBCDIC Code, ASCII-7  Code, ASCII-8 Code, Quick Revision Facts, Summary, Abbreviation, Single Liner & MCQ.

(4) Boolean Algebra and Logic Circuits

Introduction, Boolean algebra, Fundamental Concept of Boolean algebra, Logical Addition, Logical Multiplication, Complementation, Operator Precedence, Boolean Functions, Minimization of Boolean Function, Logic Gates, AND Gate, OR Gate, NOT Gate, NAND Gate, NOR Gate, Universal Logic Gates, Summary, Abbreviation, Single Liner & MCQ.

(5) Processor and Memory

Introduction, Computer Processor History, Generations of Microprocessor, Computer Memory, Types of Memory, Primary Memory, Secondary  Memory, Characteristics of Secondary Storage Devices, Memory System in Computer, Magnetic Memory, Random Access Memory, Read Only Memory, Magnetic Tape, Advantages of Magnetic Tape, Summary, Abbreviation, Single Liner & MCQ.

(6) Input & Output Devices

Introduction, Input Devices, Output Devices, Classification of Printers, Impact Printers, Character Printers, Daisywheel Printers, Dot Matrix Printers, Line Printer, Drum Printers, Chain Printer’s, Non-Impact Printer, Laser Printer, Inkjet Printers, Thermal Printers, Plotters, Types of Plotters, Summary, Abbreviation, Single Liner & MCQ.

(7) Hardware and Software

Introduction, Hardware, Motherboard, SMPS, Peripheral Devices, Modem, Software, System Software, Application Software, Application Software Packages, Utility Software, Antivirus Software, Summary, Abbreviation, Single Liner & MCQ.

(8) Operating System

Introduction, Types of Operating System, Single Program Operating System, Multi Program Operating System, Multi Processing Operating System, Real Time Processer, List of Various Operating Systems, Main Functions of Operating Systems, Some Popular Operating System, Linux, Feature of Linux , Popular Linux commands, Summary, Abbreviation, Single Liner & MCQ.

(9) Computer Language

Introduction, Computer languages are classified into five major categories, Machine Language, Assembly Language, High Level Language, Compiler, Interpreter, Other Computer Languages, FORTRAN, COBOL, BASIC, C and C++ , Pascal, Java, SNOBOL, LISP, C# , Report Program Generator (RPG) , Visual Basic, V.Net, Program, Computer Programming, Characteristics of a Good, Programming Language, Computer Coding, Types of Programming Languages, Flow Chart, Flowchart symbols, Summary, Abbreviation, Single Liner & MCQ.

(10) System Implementation and Operation

Introduction, Requirement Specification, System Analysis & Design

Implementation, Testing and Debugging, Deployment/Installation

Maintenance, Database Development Life Cycle, Data Mining Techniques, Software testing and Debugging, System Evaluation, Summary, Abbreviation, Single Liner & MCQ.

(11) Open Source Software and Business Computing

Introduction, Values of Open Source, Source Code, Free Software, Shareware, Open Source Software, IPR, FLOSS, Business Computing, Online Services, Advantages of Online Services, Summary, Abbreviation, Single Liner & MCQ.

(12) Database

Database, DBMS, Feature of DBMS, RDBMS, Advantages of Database System, Disadvantages of Database System, Data Models, MySQL, Capabilities of MySQL, Feature of MySQL, MySQL Data Types, MySQL Functions, SQL Functions, SQL Commands, DDL- CREATE, DROP, ALTER, TURNCATE, DML- INSERT, DELETE, UPDATE, DCL- GRANT, REVOKE, TCL- COMMIT, ROLLBACK, SAVE POINT, DQL- SELECT, Feature of Oracle, PL/SQL, PL/SQL Advantage, PL/SQL Advantages, Triggers, QBE, Primary Key Constraint, Foreign key, Identifiers, Reserved Words, Delimiters, Literals, Comments, Cursor, Summary, Abbreviation, Single Liner & MCQ.

(13) Data Communication

Introduction, Sender, Encoder, Decoder, Receiver, Communication Protocols, Data sequencing, Data Routing, Flow control, Error Control, Data Transmission, Modes, Simplex, Half-Duplex, Full-Duplex, Modem, Bridges, Gateways, Routers, IMAP, DNS, Data Encoding, Digital and analog transmission, Analog Signal, Asynchronous and Synchronous Transmission, Wire Pairs, Coaxial Cables, Microwave, Communication Satellite, Computer network and communication, Advantages of network application, Summary, Abbreviation, Single Liner & MCQ.

(14) Computer Networks

Introduction, Need of Computer Network, Uses of Networking, Models of Network Computing, Data Communication, Peer to Peer Networks, Components of Computer Networks, Network Topology, Classification of Network Topology, Network Types, OSI Model, Components of Data Communication System , Communication Protocols, TCP/IP Model, Internetworking Tools, Common Network Services, Types of Wireless Networks, Characteristics of Wireless Technology, Data Transmission Media, Twisted Pair Wire, Coaxial Cable, Optical Cable, Unguided Media, Satellite, Microwave, Data Transmission Services, Dial up line, Leased Line, Integrated Service Digital Network, Value Added Network, Multiplexing Techniques, Asynchronous and Synchronous Transmission, Switching Techniques, Circuit Switching, Summary, Abbreviation, Single Liner & MCQ.


Introduction, History of Internet Evolution, Uses of Internet, Advantages of Internet , Disadvantages of Internet , How Internet functions , E-Mail, WWW, Web Pages, Basics Services of Internet , Characteristics of Internet, Standard, Generalized Mark-up Language , Search Engine Example, Summary, Abbreviation, Single Liner & MCQ.

(16) Multimedia

Introduction, Importance of Multimedia, Multimedia Authoring Tools, Multimedia Software Development Tools Wmv Files, Graphics, Microphones, Characteristics of Microphone, Film Editing, Summary, Abbreviation, Single Liner & MCQ.

(17) Social Media & E-Commerce

Social Media, Social Media Marketing, Popular Social Media Apps, Features of Social Media Application, Benefits of Social Media , E-commerce, Types of E-Commerce Models, Features of E- Commerce, Examples of E-Commerce, Benefits of e-commerce, Disadvantages of E-Commerce, Summary, Abbreviation, Single Liner & MCQ.

(18) Latest Technology Evaluation

Technology, Geo-Graphical Pricing, Cyber Security, Artificial Intelligence, Machine learning, Virtual Reality, Top Trending Technologies, Current Trends in Information Technology, Summary, Abbreviation, Single Liner & MCQ.

(19) Desktop Publishing

Introduction, Terminology Used in DTP, Some popular Desktop Publishing Software, Free/Open source DTP Software, Popular DTP Software, Features in PageMaker, PageMaker Terminology, Text wrap in PageMaker, Page orientation, Kerning, Photoshop, Corel Draw, Summary, Abbreviation, Single Liner & MCQ.

(20) The Indian information Technology Act 2000

IT Act, National Cyber Security Policy-2013, Cyber Laws, Cyber Surakshit Bharat, Programme, Aims, IT acts (Amendment) Bill, 2006, Highlights of the Bill, Copyright, Intellectual Property Rights issues, Summary, Abbreviation, Single Liner & MCQ.

(21) Ministry of Electronics & Information Technology Government of India.

About MeitY, Objectives : e-Government, e-Industry, e-Innovation/R&D, e-Learning, e-Security, e-Inclusion, Internet Governance, MeitY Organizations, Attached Offices of MeitY, Statutory Organizations of MeitY, Section 25 Companies of MeitY, Autonomous Societies of MeitY, Polices, IT/ITES, Electronic, Hardware Schemes, Electronic Hardware Policies, Industrial Promotion Activities, Summary, Abbreviation, Single Liner & MCQ.

(22) IT/ITES

Introduction, Difference between IT and ITeS, The National Curriculum Framework (2005), National Skill Qualification Framework (NSQF), Pandit Sunderlal Sharma Central Institute of Vocational Education , National Occupational, National Council of Educational Research and Training , Information and Communication Technology, Global In-house Centers , Non-Governmental Organizations , What are MNCs, Summary, Abbreviation, Single Liner & MCQ.

(23) Information and Communication Technology – ICT

Introduction, ICT Tools, Use of ICT in Diagnosis, IT in the Government and Public Service, E-Governance in India, Summary, Abbreviation, Single Liner & MCQ.

(24) Advanced Computer Architecture

Introduction, Basic Architecture of a Computer, Basic System Components, What is Microprogramming, Interleaved Memory, Parallel Processing, SIMD, Summary, Abbreviation, Single Liner & MCQ. Architecture, Summary, Abbreviation, Single Liner & MCQ.

(25) Word Processor/Microsoft Word

Word Processor, Notepad, WordPad, Microsoft Word, Home Menu, Insert Menu, Page Layout Menu, Reference Menu, Mailing Menu, Review Menu, View Menu, Microsoft Word Important Terms, List of Shortcut Keys, Summary, Abbreviation, Single Liner & MCQ.

(26) Microsoft PowerPoint

Microsoft PowerPoint, Home Menu, Insert Menu, Design Menu, Transitions Menu, Animations Menu, Slide Show Menu, Review, View, PowerPoint Shortcut Keys, Summary, Abbreviation, Single Liner & MCQ.

(27) Microsoft Excel

Microsoft Excel, Home Menu, Insert Menu, Page Layout, Formulas Menus, Data Menu, Review Menu, View Menu, Microsoft Excel Important Terms, Excel Formula, Shortcut Keys, Summary, Abbreviation, Single Liner & MCQ.

(28) Microsoft Access

Introduction, DataBase Concept, Data, Database, DBMS, Components of an Access Database, Validation, Field Level Validation, Record Level Validation, Summary, Abbreviation, Single Liner & MCQ.

(29) Hypertext Markup Language (HTML)

HTML, XML, DHTML, ASP, VB Script, Java Script , CSS, PHP, WAMP Server, HTML Code, Features of HTML, Important Tags, Some Popular Tags in HTML, Summary, Abbreviation, Single Liner & MCQ.

(30) Introduction to C

Introduction, Features of C Programming Language, About C language, Basic Structure of a C Program, Data Types in ‘C’ Language, What is an Array, Structure, Union, Control statements, Identifiers, Reserved Word, What is a pointer, Function in ‘C’, Define Storage Classes in ‘C’ language, Summary, Abbreviation, Single Liner & MCQ.

(31) Introduction to C++

Introduction, Salient features of OOPs, Oops (Object Oriented Programming) using C++), Inheritance, Types of Inheritance, Operator Overloading, Polymorphism, Virtual Functions

Constants, Identifiers and Keywords, C++ Operators, if-else statements , Nested if-else statement, Switch statement , C++ provide three types of Loops, Storage Classes Specifies, Summary, Abbreviation, Single Liner & MCQ.

(32) Popular Computer Language

Python, Pascal, C Language, C++ Language, Java, C#: , Visual Basic, .Net Framework, Summary, Abbreviation, Single Liner & MCQ.

(33) Computer Graphics

Introduction, Application areas of the Computer Graphics, Bresenhams  Line Algorithm, Bresenhams Algorithm, Inverse Transformation, 2-D Graphics , 3-D Graphics , Vector Graphics, 3D Projection, Curves, Types of Curves, Polygon Surfaces, Summary, Abbreviation, Single Liner & MCQ.

(34) Embedded System

Introduction, Embedded Microprocessors, Embedded System, Requirements of Embedded Operating Systems, Timeliness, Real Time System, Microcontroller, Microcontroller Memory, Embedded Operating System, Summary, Abbreviation, Single Liner & MCQ.

(35) Mobile Computing

Mobile Computing, GSM, Mobile Hardware, Mobile Software, Mobile communication, Features of Mobile Communication, Advantages of Mobile Communication, Mobile Computing Architecture & Structure, History of Wireless Communication, Popular Mobile Processor, Generations of Wireless Communication, Summary, Abbreviation, Single Liner & MCQ.

(36) Important Points to Remember

Popular Companies & Founder, Popular Application and Description, Years & Events, Inventor & Invention, Popular Language & Founder, Important Single Liner Questions.

(37) Most Important MCQ विभिन्न परीक्षाओं में बार-बार पूछें गए प्रश्नों का संग्रह
(38) UGC/NTA नेट की परीक्षा में कंप्यूटर से संबंधित प्रश्नों का संग्रह
(39) Miscellaneous MCQ
(40) Important Single Liner Questions
(41) Old question Papers JOA (IT)

1. JOA (IT) [Post Code 556]

2. JOA (IT) [Post Code 447]

3. JOA (IT) Accounts



6. Junior office assistant ( IT) 2018

(42) Old question Papers  (Computer Operators)



3. Computer Operator (Post Code – 543) – 2017

4. Computer Operator (Post Code – 592) – 2018

5. Computer operator examination 10-Oct-2020

(43) Old question Papers ( Assistant Programmer)

1. Assistant Programmer (Post Code – 542) – 2017

(44) Old question Papers  (Data Entry Operator)

1. Data Entry Operator (Post Code – 534) – 2018

(45) Latest Technology Current Affairs
(46) भारतीय राजव्यवस्था
(47) भारतीय अर्थव्यवस्था
(48) भारतीय इतिहास (प्राचीन इतिहास, मध्यकालीन इतिहास तथा आधुनिक इतिहास)
(49) भूगोल (भारत का भूगोल तथा विश्व का भूगोल)
(50) सामान्य विज्ञान
(51) पर्यावरण एवं पारिस्थितिकी
(52) भारतीय वन सर्वेक्षण रिपोर्ट – 2019
(53) महात्मा गांधी विशेषांक
(54) आपदा प्रबंधन
(55) हिमाचल प्रदेश  करेंट अफेयर्स – 2020
(56) राष्ट्रीय तथा अंतरराष्ट्रीय करेंट अफेयर्स – 2020
(57) हिमाचल प्रदेश  सामान्य ज्ञान
(58) English Grammar
(59) हिन्दी व्याकरण
(60) Mock Test Set – 02


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  • Page: 649
  • Author: Elite Study Team
  • Publisher: Elite Study Team
  • Language: Computer Science – English/ General Knowledge – Hindi
  • Format: HardCopy
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  • Delivery: Through Indian Postal Services.


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  • Rohit Dhiman

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    Good Book

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    Nice book

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