Accession Number:

AD0423704

Title:

ASTRONAVIGATION COMPUTER RESEARCH.

Descriptive Note:

Final rept., 4 Apr 61-23 May 63.

Corporate Author:

SPERRY GYROSCOPE CO GREAT NECK N Y

Personal Author(s):

Report Date:

1963-10-01

Pagination or Media Count:

125.0

Abstract:

The feasibility of a magnetic-logic computer is reported. An improvement in reliability of from four to five times that achieved in equivalent semiconductor computers has been demonstrated by a substantial decrease in the number of active components. This decrease has been made possible by the use of four-phase inhibit logic and current steering in conjunction with microprogramming techniques. The most significant accomplishments of the program are A biaperture ferrite element was developed for use in memories and registers in the temperature range from -55 C to 125 C. The element is employed in 1 the NDRO, random access, electrically alterable program memory, 2 the NDRO random access data memory, 3 the DRO registers in the arithmetic unit. The feasibility of using single driver current pulses to accomplish multiple computer operations was demonstrated. This technique results in high reliability low number of drivers and low power consumption. A new method of developing basic computer timing pulses has been demonstrated in the Sequential Switch, which develops basic timing for computer operations while employing few active components. Author

Descriptors:

• *COMPUTER LOGIC
• FERRITES
• MASS STORAGE
• MEMORY DEVICES
• SEQUENCE SWITCHES

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE