Electronic point-of-sale system using direct-access storage
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United States of America Patent
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-
May 4, 1982
Grant Date -
N/A
app pub date -
Jan 4, 1980
filing date -
Jan 4, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A standalone point-of-sale terminal in a unitary physical package has input/output devices for communicating transaction data between the terminal and an operator, and also has a cash drawer. These devices and a direct-access storage are controlled by a programmable processor which executes low-level routines from read-only addressable memory and serially replaceable high-level applications programs from read/write addressable memory. Both applications programs and transaction data are stored on a single non-volatile, removable storage medium.
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