How big were the first computers? What jobs were computers used for in the past? When was the World Wide Web invented? Take a journey through time and discover the amazing history of the computer!

 

This book is part of a book series called Young Explorer-Inventions That Changed the World .

This book is aimed at children in primary school.

There are 32 pages in this book. This is an encyclopedia. An encyclopedia is a book or numbered set of books containing authoritative summary information about a variety of topics in the form of short essays, usually arranged alphabetically by headword or classified in some manner. An entry may be signed or unsigned, with or without illustration or a list of references for further reading. Headwords and text are usually revised periodically for publication in a new edition. In a multivolume encyclopedia, any indexes are usually located at the end of the last volume. Encyclopedias may be general (example: Encyclopedia Americana) or specialized, usually by subject (Encyclopedia of Bad Taste) or discipline (Encyclopedia of Social Work). This book was published 2008 by Capstone Global Library Ltd .

Elizabeth Raum has written dozens of books for young readers, including biographies, history books, and picture books. She taught English and social studies to students in grades 7-12 and worked as a librarian in both elementary schools and colleges. She particularly enjoys visiting schools and libraries to talk with students about research and writing.