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Glossary : Starting from R

RAM (random-access memory)

Temporary storage built into a computer system that functions as a "workspace" for data and program instructions.


A row of book shelves, usually double-faced, anywhere in the library.


The shelves where library materials are kept in call number order. Also called stacks.

Rare Books

Books which are secured in restricted areas of the Library because of their value, age, or fragile condition. Unusual, old books that are considered valuable due to unique qualities. Gifts or purchases from rare book dealers are major sources.

Raster graphic

A computer image made up of a collection of dots. Can become ragged or otherwise distorted when the image is enlarged or shrunk. See also vector graphic.

Ready Reference

Provision of quick answers to factual questions, using standard sources such as dictionaries, almanacs and directories.

Real-time communication

Communication in which information is received at (or nearly at) the instant it's sent. Real-time communication is a characteristic of synchronous learning.


When a recall is placed on an item, the person who currently has the book checked out receives a notice that they have two weeks to return the item, since someone else wishes to use it. Any library patron may recall an item.

Receive site

A location that can receive transmissions from another site for distance learning.

Reciprocal borrowing

Agreements between libraries or library systems that allow patrons to borrow books from any participating system or library free of charge. The Georgia Tech Library has reciprocal borrowing agreements with the colleges and universities in the University System of Georgia, and some private colleges and universities in the Atlanta area.


The collection of fields that, when taken together, describe a unique item. In the days of the card catalog, each card held one record, and there were at least three cards for each item. In the online catalog or any other database, there is one record for each item.


A direction from one heading or entry to another.

Reference Area

The place or places in the library that have a reference desk, a reference collection and a reference librarian gathered together.

Reference Collection

A selection of library materials kept in a specific location that are used to begin research and to answer quick questions. The items in the reference collection (also referred to as Reference Books) do not circulate, so they are always available for use. Examples of reference books include dictionaries, encyclopedias, almanacs, directories, bibliographies, indexes, and statistical compilations.

Reference Desk

Most libraries have a desk where users can get specific information about a particular library and its collection. This may include how to find information, how to use the tools available, the location of items in the library, or the answer to a question.

Reference Librarian

A professional librarian (one who has a Masters degree in Library Science) who specializes in the field of information retrieval.

Reference List

Contains ALL the sources cited in a text or essay, and supports your research and/or premise.

Reference Source

Any publication from which authoritative information may be obtained. Not limited to reference works

Remote Access:

A phrase used to describe the connection of one computer to another computer located in different places


When you renew library material, you are extending the lending period ("due date") of those items.


: The process of extending the loan period of library materials.


An official or formal record of the activities of a committee or corporate entity, or of a special investigation, or of the proceedings of a governmental body.


1. A new printing of an item made from the original tye image, commonly by photographic methods. The reprint may reproduce the original exactly, or it may contain minor but well-defined variations. 2. A new edition with substantially unchanged text.


To reuse content by revising or restructuring it for a different purpose than it was originally intended or in a different way.


A library service that manages the circulation of certain required course materials selected by instructors,members or professors

Reserve Desk

The part of the Circulation Desk where reserve items are kept.


Materials kept at the Circulation and Reserve Desk which have shorter loan periods.


The clarity of the image on the video display screen.


E-learning content that can be transferred to various infrastructures or delivery mechanisms, usually without changes.

retail information

retail informato peraios to transaction of information in small scale

RFID (radio frequency identification)

A wireless information-transmission technology set to take the place of bar codes. A tag is placed on the object and then read by an antenna and transceiver. The object does not need to be in the same line of sight as the transceiver, as products with bar codes do, and the transceiver can function over greater distances than bar code readers.

RFP (request for proposal)

A document produced by a company seeking goods or services and distributed to prospective suppliers. Suppliers then provide proposals based on the criteria specified within the RFP.

RIO (reusable information object)

A collection of content, practice, and assessment items assembled around a single learning objective. RIOs are built from templates based on whether the goal is to communicate a concept, fact, process, principle, or procedure. (Pronounced "REE-O")

RLO (reusable learning object)

A collection of RIOs, overview, summary, and assessments that supports a specific learning objective. (Pronounced "R-L-O")

ROI (return on investment)

Generally, a ratio of the benefit or profit received from a given investment to the cost of the investment itself. In e-learning, ROI is most often calculated by comparing the tangible results of training (for example, an increase in units produced or a decrease in error rate) to the cost of providing the training.


RSS (Rich Site Summary) is a format for delivering regularly changing web content. Many news-related sites, weblogs and other online publishers syndicate their content as an RSS Feed to whoever wants it.

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