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Herbert Clark Hoover (August 10, 1874 – October 20, 1964) was the 31st president of the United States, serving from 1929 to 1933.A wealthy mining engineer before his presidency, Hoover led the wartime Commission for Relief in Belgium and was the director of the U.S. Food Administration, followed by post-war relief of Europe.
This is an accepted version of this page This is the latest accepted revision, reviewed on 30 January 2025. Computer program that modifies other programs to replicate itself and spread Hex dump of the Brain virus, generally regarded as the first computer virus for the IBM Personal Computer (IBM PC) and compatibles A computer virus is a type of malware that, when executed, replicates itself by ...
An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...
Argentina, [C] officially the Argentine Republic, [A] [D] is a country in the southern half of South America.Argentina covers an area of 2,780,400 km 2 (1,073,500 sq mi), [B] making it the second-largest country in South America after Brazil, the fourth-largest country in the Americas, and the eighth-largest country in the world.
Augusto José Ramón Pinochet Ugarte [A] (25 November 1915 – 10 December 2006) was a Chilean military officer who was the dictator of Chile from 1973 to 1990.From 1973 to 1981, he was the leader of the military junta, which in 1974 declared him President of the Republic and thus the dictator of Chile; [4] [5] [6] in 1980, a referendum approved a new constitution confirming him in the office ...