Vacuum Tubes:
-placed in magnetic drums
-enormous in size
-expensive to operate
-consumes huge amount of electricity
-generated a lot of heat
-overheating causes malfunctions
-relied on machine language
-could only solve one problem at a time
-input was based on punched cards and paper tape
-output was displayed on printouts
-enormous in size
-expensive to operate
-consumes huge amount of electricity
-generated a lot of heat
-overheating causes malfunctions
-relied on machine language
-could only solve one problem at a time
-input was based on punched cards and paper tape
-output was displayed on printouts
Examples:
a. UNIVAC - first
commercial computer delivered to a business client, the U.S. Census Bureau in
1951
b. ENIAC -
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