List of top Electronics Technology Questions on Information and Communication Technology (ICT) asked in CBSE CLASS XII

Explain the working of FAX machine.
Describe the safety issues in the manufacturing industries.
What is the main property of organic photoconductive material that is coated in the drum of a laser printer?
The tone ringer unit in telephone generates frequency in the ________ range.
There are ________ number of pins in RJ11 connector.
In which year was the telephone invented?
Scanner is used to transfer images into digital form. (True/False)