System for clearing input data in electronic computer

Details System for clearing input data in electronic computer System for clearing input data in electronic computer

1977-01-18

1979-01-16

Shaw, Gareth D.

Boots, shoes, and leggings

364709, G06F 1502, G06F 1532

Patent

active

041352505

ABSTRACT:
In an electronic computer of the type having a keyboard having numeral keys and data instruction keys and storage means for storing data entered by the keyboard, a clear key is provided which, upon depression, initiates the operation for clearing only the data stored in the storage means after the depression of the data instruction key when the clear key is depressed immediately after the entry of data or for clearing all the data so far stored in the storage means when the clear key is depressed immediately after the depression of the data instruction key. Upon depression of the clear key, the data only in specified digits in storage means may be cleared or erased.

REFERENCES:
patent: 3924110 (1975-12-01), Cochran et al.
patent: 3979057 (1976-09-01), Katz et al.

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