Operating System MCQ IT Officer(PSC)
MCQs from PAGE1 1. Out of the following, which is not an essential element of a communication system? a. Transmitter b. Transducer c. Receiver d. Communication channel Correct Answer: b Explanation: A communication system requires a transmitter (to send the signal), a receiver (to receive the signal), and a communication channel (to transmit the signal). A transducer converts energy from one form to another (e.g., electrical to sound), but it is not an essential element of the core communication system itself—it is often part of the transmitter or receiver. The correct answer is "b". 2. A device which provides output in electrical form or it has input in electrical form is called a? a. Transmitter b. Receiver c. Repeater d. Transducer Correct Answer: d Explanation: A transducer is a device that converts one form of energy to another, typically providing output in electrical form (e.g., a microphone converting sound to electrical signals) or accepting elect...