What Arab Civilization?You state, "its mathematicians created the algebra and algorithms that would enable the building of computers, and the creation of encryption." The fundamental basis of modern mathematics had been laid down not hundreds but thousands of years before by Assyrians and Babylonians, who already knew of the concept of zero, of the Pythagorean Theorem, and of many, many other developments expropriated by Arabs/Muslims (see History of Babylonian Mathematics, Neugebauer).
a lot of what is attributed to arabs was actually invented in south asia and east asia. Arabic numerals are hardly arabic. Arabia is just where the west came in contact with the technology as it made its way across