Multiple choice Directions: What is the full form of the abbreviation given in bold? TTL Transparent Transistor Logic Translucent Transistor Logic Transistor Transfer Logic Transistor Transistor Logic Reveal answer Fill a bubble to check yourself D Correct answer Explanation Transistor-Transistor Logic (TTL) is a logic family built from bipolar junction transistors and resistors. It is called TTL because both the logic gating function and the amplifying function are performed by transistors.