By E. Lohse
Communications of the ACM,
April 1968,
Vol. 11 No. 4, Pages 275-281
10.1145/362991.363052
Comments
This proposed USA Standard presents the standard Hollerith Card Code representation of the 128 characters of USASCII in twelve-row punched cards.
Other standards specify the dimensions and quality of punched paper ca rds, and the dimensions and locations of the holes punched in the cards.
This coded representation of the USASCII character set for the twelve-row punched card was developed from research, review of historical work and careful consideration of the use of punched cares in information processing and communication. Resolution of several conflicting requirements is reflected herein.
The full text of this article is premium content
No entries found
Log in to Read the Full Article
Need Access?
Please select one of the options below for access to premium content and features.
Create a Web Account
If you are already an ACM member, Communications subscriber, or Digital Library subscriber, please set up a web account to access premium content on this site.
Join the ACM
Become a member to take full advantage of ACM's outstanding computing information resources, networking opportunities, and other benefits.
Subscribe to Communications of the ACM Magazine
Get full access to 50+ years of CACM content and receive the print version of the magazine monthly.
Purchase the Article
Non-members can purchase this article or a copy of the magazine in which it appears.
