World Library  
Flag as Inappropriate
Email this Article

Ibm 632

Article Id: WHEBN0000263624
Reproduction Date:

Title: Ibm 632  
Author: World Heritage Encyclopedia
Language: English
Subject: List of IBM products, IBM Electric typewriter, Unit record equipment
Collection:
Publisher: World Heritage Encyclopedia
Publication
Date:
 

Ibm 632

IBM 632 Electronic Typing Calculator

The IBM 632 was a valve-and-relay driven basic (very basic) accounting machine, introduced in 1958, that was available in seven different models. It consisted of an IBM Electric typewriter and at least a punched card unit (like the IBM 024) that housed the "electronics" in two gates (a relay gate and an electronic gate). Some machines also had a card reader unit (like the IBM 026). A small core memory provided storage for 8 numeric 12 digit words.

The machine was programmed primarily with a plastic tape that moved synchronously with the typewriter carriage. Each tape would typically handle one application. The tape mechanism was mounted behind the carriage in the typewriter unit. Further programming was provided in the card machines program drums. Programs were only executed as the machine typed or spaced over a column - tabbing or carriage returning was not recognised.

As the typewriter carriage moved from field to field three program entries were available in the last three columns of each field - as I recall they were Calc1, Calc2, and Pgm. One calculation was allowed in each Calc column. The PGM field allowed a program instruction - a jump in the form of a "jump" to a new column then auto printout of a calculated field (including decimal place control) as well as punched card control, etc. The PGM column was actually the column the typewriter would space to after typing the last character in the field (either under operator or PGM control).

For example after entering "price" then tabbing and entering "qty", the machine could automatically space through a dummy field, calculate the $amount on the way and then continue to print it out. The PGM field could then have dictated a carriage return, ready for the next entry.

Two programs were allowed on each tape: primary and alternate. But by resetting the tab-stops it was possible to overlap programs in amazingly complex ways.

Adding was carried out electronically, but multiplication was electro-mechanical. The machine gave off a characteristic kerr-ick-kit-i-tic, kerr-ick-kit-i-tic sound as the relays worked furiously. Multiplication took 3 or 4 seconds, addition, on the other, hand was immediate.

Most machines were used for some type of order-entry/invoicing application, providing a hard-copy invoice and a punched card that could be processed further on some other system. Those with a card reader could do some of that processing themselves, especially if augmented with a sorter.

Cost, price and rental rates

IBM 632
System-Configuration Cost Monthly Rental Maintenance
Model I-Typewriter unit, calculator unit
and companion keyboard
$6,000 $175 $300
Model II-Typewriter unit, calculator unit
w/non-printing punch & companion keyboard
8,700 235 420
Model III-Typewriter unit, calculator unit
w/printing punch & companion keyboard
9,800 260 440
Model IV-Typewriter unit, calculator unit
w/tape punch & companion keyboard
11,900 295 535
Model V-Typewriter unit, calculator unit
& companion keyboard & card reader
13,700 310 472
Model VI-Typewriter unit, calculator unit
w/non-printing punch & companion keyboard & card reader
16,400 370 592
Model VII-Typewriter unit, calculator unit
w/printing punch & companion keyboard & card reader
$17,500 $395 $612

Maintenance/service was included in all monthly rental prices. Maintenance/service for purchased machines was additional.

This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and USA.gov, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for USA.gov and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
 
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
 
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.
 



Copyright © World Library Foundation. All rights reserved. eBooks from World eBook Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.