Anonymous

Changes

From Karnataka Open Educational Resources
Line 98: Line 98:       −
 
+
|
 
Punch cards were an input method. After the vacuum tubes, came the transistors
 
Punch cards were an input method. After the vacuum tubes, came the transistors
 
which could turn electricity in a circuit 'on' or 'off'.This turning 'on'  
 
which could turn electricity in a circuit 'on' or 'off'.This turning 'on'  
370

edits