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Naval Tactical Data System (NTDS) was a computerized information processing system developed by the United States Navy in the 1950s and first deployed in the early 1960s for use in combat ships. It took reports from multiple sensors on different ships and collated it to produce a single unified map of the battlespace.
Type A (NTDS Slow)- Parallel data transfer of up to 41667 words per second on one cable. Type B (NTDS Fast) - Parallel data transfer of up to 250000 words per second on one cable. Type C (ANEW) - Parallel data transfer of up to 250000 words per second on one cable. Type D (NTDS Serial) - Asynchronous serial data transfer using 10 Mbit/s data rate.
NTDS can refer to: Naval Tactical Data System; Neglected tropical diseases; Neural tube defects; NT Directory Service This page was last edited on ...
The Block 0 system replaces obsolete Naval Tactical Data System (NTDS) computers and display consoles with modern equipment and incorporates both new and upgraded NTDS software. [ 1 ] [ 2 ] Block 1 operates with the equipment provided under ACDS Block 0 but implements significant improvements in software capability.
The AN/USQ-20, or CP-642 [1] [2] [3] or Naval Tactical Data System (NTDS), was designed as a more reliable replacement for the Seymour Cray-designed AN/USQ-17 with the same instruction set. The first batch of 17 computers were delivered to the Navy starting in early 1961.
As part of the redesign it was decided to improve access, and the second version was designed to stand upright, like an old fashioned double-door refrigerator, about six feet tall (roughly 1.80 m). This new design was designated the AN/USQ-20 .
All connection types except FTTN use NTDs on premises. Depending on the kind of link, NTDs typically provide two telephony and four data channels. [ 2 ] An external power source is required, and an uninterruptible power supply (UPS) can be used to maintain connection in power outages (battery backups are available for the FTTP NTD).
Neglected tropical diseases (NTDs) are a diverse group of tropical infections that are common in low-income populations in developing regions of Africa, Asia, and the Americas. [2] They are caused by a variety of pathogens , such as viruses , bacteria , protozoa , and parasitic worms ( helminths ).