ISBN10: 1387824759, ISBN13: 9781387824755, [publisher: Lulu.com] Softcover
[Dallas, TX, U.S.A.] [Publication Year: 2018]

ISBN10: 1387824759, ISBN13: 9781387824755, [publisher: Lulu.com] Softcover Buy with confidence! Book is in acceptable condition with wear to the pages, binding, and some marks within
[Amherst, NY, U.S.A.] [Publication Year: 2018]

ISBN10: 1387824759, ISBN13: 9781387824755, [publisher: Lulu.com] Softcover Book is in Used-VeryGood condition. Pages and cover are clean and intact. Used items may not include supplementary materials such as CDs or access codes. May show signs of minor shelf wear and contain very limited notes and highlighting.
[Hawthorne, CA, U.S.A.] [Publication Year: 2018]

ISBN10: 1387824759, ISBN13: 9781387824755, [publisher: Lulu.com] Softcover Book is in Used-LikeNew condition. Pages and cover are clean and intact. Used items may not include supplementary materials such as CDs or access codes. May show signs of minor shelf wear.
[Hawthorne, CA, U.S.A.] [Publication Year: 2018]

ISBN10: 1387824759, ISBN13: 9781387824755, [publisher: Lulu.com] Softcover Book is in NEW condition. 1.76
[Hawthorne, CA, U.S.A.] [Publication Year: 2018]

ISBN10: 1387824759, ISBN13: 9781387824755, [publisher: Lulu.com] Softcover
[Miami, FL, U.S.A.] [Publication Year: 2018]

Lulu.com 2018 Trade paperback New. Trade paperback (US). Glued binding. 480 p.

Lulu Press 3/19/2018 12: 00: 00 AM Softcover PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.

ISBN10: 1387824759, ISBN13: 9781387824755, [publisher: Lulu.Com] Softcover nach der Bestellung gedruckt Neuware - Printed after ordering - Do you remember Tymnet If you don't remember, are too young to remember, or fondly remember, this book is for you.This is the story of the worldwide network of online services that existed long before the Internet. Before the modern 'Cloud' there was time-sharing. The earliest computers were very expensive, single-task machines devoted to running a single program at a time. Each program loaded from a stack of punch cards, and ran its course without interacting with the outside world. Running payroll, for example, meant that the system was unavailable for any other function until the payroll was complete, the checks printed, the books balanced, and updates written to new punch cards and stored for the next run. This very expensive machine spent most of the time waiting on the peripherals, the printer, the card reader, and the card punch. We called this 'Batch Processing.'Multitasking was a brilliant innovation, allowing multiple programs to run simultaneously, sharing the expensive computing resources across multiple simultaneous batch jobs. Interactive time-sharing soon followed, allowing multiple users to interact with the computer in real time using electro-mechanical Teletype terminals.Then came networks. We know of ARPANET, but have forgotten the others.Several companies arose to offer ...
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Lulu. com 2018 paperback New