--subdivision Programming under types of computers, microprocessors, etc.; and under names of individual computers, microprocessors, etc., e.g. Microcomputers--Programming; IBM Personal Computer--Programming
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Electronic Computers -- See Computers Here are entered works on modern electronic computers first developed after 1945. Works on present-day calculators, as well as on calculators and mechanical computers of pre-1945 vintage, are entered under Calculators. --headings beginning with the word Computer
Electronic Countermeasures -- See Also Electronic intelligence Here are entered works on the collection and processing, for subsequent intelligence purposes, of information derived primarily from electronic signals that do not contain speech or text. Works on tracking, analyzing, and countering digital security threats are entered under Cyber intelligence (Computer security). --subdivision Electronic intelligence under individual wars, e.g. World War, 1939-1945--Electronic intelligence
