BLI-222: INFORMATION SOURCES AND SERVICES Archives

BLI-222 Assignment Solutions: Information Sources and Services – All Questions Answered

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Introduction This post includes all the answers for the IGNOU assignment BLI-222: Information Sources and Services for the July 2025 and January 2026 sessions. Each answer is written in simple and easy-to-understand language, suitable for students of all backgrounds. The answers follow IGNOU’s assignment guidelines and cover key topics from Units 1 to 14. Assignment […]

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Describe the negative influences of mass media.

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Introduction Mass media refers to the communication platforms used to reach a large audience. These include television, radio, newspapers, the internet, and social media. While mass media has many positive effects—such as spreading information and raising awareness—it also has some negative influences that affect individuals and society in various ways. Negative Influences of Mass Media

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Describe in brief how you will plan a user study.

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Introduction A user study is a method used by libraries and information centers to understand the needs, behavior, and satisfaction level of their users. By planning and conducting user studies, libraries can improve their services and collections. A well-planned user study helps in identifying what users want, how they use resources, and what problems they

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Discuss the role of extension workers as sources of information.

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Introduction Extension workers are professionals who act as a bridge between knowledge sources and the community, especially in rural areas. They are mainly involved in fields like agriculture, health, education, and social development. Extension workers are considered peripheral information professionals because they gather, translate, and spread useful information to people who may not have easy

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Describe the concept of Information Literacy.

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Introduction Information Literacy is a key skill in today’s digital and information-rich world. It refers to the ability to identify when information is needed, locate it efficiently, evaluate its reliability, and use it effectively. It is not just about finding information, but also about thinking critically and using information ethically. Definition of Information Literacy The

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Describe in brief standards as sources of information.

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Introduction Standards are important documents that provide agreed-upon rules, guidelines, or definitions to ensure quality, safety, and consistency in products, services, and processes. In the context of library and information science, standards are considered valuable sources of technical and authoritative information. What Are Standards? Standards are formal documents developed by recognized bodies such as national

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What do you mean by Conventional and Non-conventional documents? Describe with examples.

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Introduction In the field of library and information science, documents are the carriers of recorded knowledge. These documents can be in various formats and serve different purposes. Broadly, they are classified into two categories: conventional documents and non-conventional documents. Understanding the difference between them helps librarians and information professionals manage collections effectively. Conventional Documents Conventional

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Discuss, how media persons act as sources of information?

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Introduction Media persons play a vital role in today’s society by collecting, processing, and spreading information to the public. These include journalists, news reporters, editors, radio broadcasters, and TV presenters. Their work helps people stay informed about what is happening locally, nationally, and globally. In the field of library and information science, media persons are

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Explain, how peripheral information professionals can perform the functions of information disseminators.

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Introduction In today’s information-rich world, not only librarians and information scientists but also many other professionals contribute to spreading useful knowledge. These individuals are known as peripheral information professionals. They may not be directly working in libraries or documentation centers, but they play a vital role in disseminating information to people in their fields and

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Define the term ‘Bibliography’. Discuss its various types with examples.

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Introduction The term “bibliography” comes from the Greek words “biblion” (meaning book) and “graphia” (meaning writing). In the field of library and information science, bibliography refers to a list of books, articles, and other information sources related to a particular subject, author, or period. Bibliographies are useful tools for students, researchers, and librarians as they

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