Identify the important features of the semiconductor devices from the following.

(A) Semiconductor devices require cathode heating for the production of charge carriers.
(B) They have long life and high reliability.
(C) They are small in size and consume low power.
(D) They operate at high voltage.

Choose the correct answer from the options given below:

(B) and (C) only

The correct answer is Option (2) → (B) and (C) only