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This paper demonstrates functionalities of a smart irrigation system using low-cost communications and control systems. In the proposed system, field information is collected by various sensors and is consequently exchanged, using Zigbee and the GSM (Global System for Mobile) communication, between the microcontroller, the farmers and a remote server. The centralized microcontroller uses the sensing...
Malnutrition contributes to over one half of the deaths of children under age of five years in developing countries and is the single greatest cause of child mortality in Tanzania. Investigations reveal that the issue of malnutrition is aggravated by lack of nutritional information especially in rural communities. Absence of proper tools makes collection, management and access to nutrition information...
Sudanese primary and secondary level school education is conducted in the Arabic language. Mathematics education is conducted in Hindi-Arabic numerals (???) until university level where it is subsequently conducted in Arabic numerals (1234567890). According to UNESCO's 2010/2011 World Data on Education report, Sudan's scheme of basic primary education puts more weighting on religion, Arabic, and English...