Peter J. Denning
Pages 491-493
The factors underlying system design for usability are examined and the role and responsibilities of a usability committee described. Under the control of a usability committee, a balance between high levels of system function …
Richard A. Demers
Pages 494-501
Mxec is a sophisticated computing environment (executive system) which extends and magnifies users' interactions with a computer. Principally, Mxec provides for parallel processing and also assumes many of the mundane, clerical …
William L. Ash
Pages 502-509
This paper presents a framework for describing users' knowledge of how a simple four-function calculator operates. Differences among novices and experts in their conceptions of “what goes on inside the calculator” for various …
Richard E. Mayer, Piraye Bayman
Pages 511-520
The steady increase in the power and complexity of modern computer systems has encouraged the implementation of automatic file migration systems which move files dynamically between mass storage devices and disk in response to …
Alan Jay Smith
Pages 521-532
The distribution of keys in a computer network using single key or public key encryption is discussed. We consider the possibility that communication keys may be compromised, and show that key distribution protocols with timestamps …
Dorothy E. Denning, Giovanni Maria Sacco
Pages 533-536
Wesley Peterson
Pages 536-538
Barry Dwyer
Pages 538-539
Robert L. Ashenhurst
Pages 546-549
