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Direct linkUlrich A. Hoensch – PRIMUS, 2024
We present a concrete situation where there is a difference between the theoretical security of a cipher and its limitations when implemented in practice. Specifically, when entering a PIN, smudges on the keypad substantially reduce its security. We show how the number of possible keys in the presence of the "smudge attack" can be…
Descriptors: Information Security, Computer Security, Coding, Undergraduate Study
Peer reviewedDamper, R. I. – Augmentative and Alternative Communication, 1986
Three types of rapid message composition for non-speaking persons, classified according to keyboard, are described: sequential keyboard, "semantic" input through iconic representation, and chord keyboard. The strengths, drawbacks, and potential of each type are discussed for a user population with good keying ability and normal cognitive and…
Descriptors: Communication Aids (for Disabled), Communication Disorders, Expressive Language, Ideography
Download full textHeiner, Donna – 1991
This booklet provides information about access to computers through alternate keyboards used by students who have physical impairments. Part 1 describes a typical technology team and the alternate keyboard selection process. Part 2 discusses the practical aspects of everyday teaching and living with an alternate keyboard user and includes…
Descriptors: Assistive Devices (for Disabled), Elementary Secondary Education, Equipment Evaluation, Input Output Devices
Association for Education in Journalism and Mass Communication. – 1994
The Media and Technology section of this collection of conference presentations contains the following 10 papers: "Carpooling on the Information Superhighway" (Lorna Veraldi); "New Media Departure in 'The Principle of Relative Constancy': VCRs" (Ghee-Young Noh); "Why the Western Design Approach Does Not Work for Asian…
Descriptors: Communications Satellites, Computer Mediated Communication, Decision Making, Higher Education
