ATT Test #9 Questions with correct Answers 100%

ATT Test #9 Questions with correct Answers 100% What was the first digital counting device? - ANSWER ️️ Abacus What did Babbage do? - ANSWER ️️ Made the first mechanical counting machine with programmed controller (19th century) What did Pascal do? - ANSWER ️️ Made the first mechanical counting machine (17th century) When was the ENIAC invented? - ANSWER ️️ 1940s What was the first generation of modern day computers? - ANSWER ️️ ENIAC What was the ENIAC made out of? - ANSWER ️️ Vacuum tubes What 3 basic functions do buffers perform? - ANSWER ️️ Protection, driver, switching What voltages are considered LOW (TTL logic)? - ANSWER ️️ 0.8 volts or less What voltages are considered HIGH (TTL logic)? - ANSWER ️️ 2V or more Voltages between 0.8V and 2V are considered what? - ANSWER ️️ Unknown, Float, Switching How many different classes of IC integration are there? - ANSWER ️️ 5