Which of the following is not an occupational disease:

Which of the following is not protective equipment?

In noisy and vibrating environment of the industry employee should wear:

Which of the following microphones works on the principle of electromagnetic induction:

Which of the following is not a part of DVD system:

Thickness of CD/DVD is:

Output of DAC is:

In which type of TV set top box is used:

What is the full form of EPBX?

An input peripheral device which is used to transfer images into digital form is known as: