Transistor‚Äö√Ñ√∂‚àö√ë‚àö¬®transistor logic (TTL) is a class of digital circuits built from

Bipolar junction transistors (BJT)

Bipolar junction transistors (BJT) and resistors

Transistor‚Äö√Ñ√∂‚àö√ë‚àö¬®transistor logic (T

1.	Transistor‚Äö√Ñ√∂‚àö√ë‚àö¬®transistor logic (TTL) is a class of digital circuits built from
A.	Transistors only
B.	Bipolar junction transistors (BJT)
C.	Resistors
D.	Bipolar junction transistors (BJT) and resistors
Answer» E.