pentagon (b) hexagon (c) circular (d) square 2. Which of the following system has feedback network?
[ marks]Open loop (b) Closed loop 3. Out of following signals __________ is an even signal.
[ marks]Objective Question (MCQ) Mark
[ marks]07 1. Which are the logic gates known as a Universal Gates?
[ marks]XOR, AND, (b) AND, OR, (c) NAND, NOR, (d) XNOR,OR 2. In most of modern IC op-amps, the 741 requires _____ power supplies
[ marks]1 (b) 2 (c) 3 (d) 3. PAM stands for
[4 marks]Pulse And Modulation (b) Pulse Analog Modulation
[ marks]Pulse Altitude Modulation (d) Pulse Amplitude Modulation 4. Which is a typical application of digital signal processing? '
[ marks]Noise elimination (b) Music signal processing
[ marks]Image processing (d) All of the above 5. The first cellular systems were ___________.
[ marks]Analog (b) Digital (c) Hybrid (d) None of Above 6. Conductance is expressed in terms of
[ marks]ohm / m (b) m / ohm (c) mho / m (d) mho. 7. Asystem is linear if _______ is true.
[ marks]KVL (b) KCL (c) Superposition theorem (d) Ohm’s law
[ marks]07 1. Wireless mobile cells are _______________ in shape
[ marks]Cosine wave (b) Sine wave
[ marks]Triangle wave (d) None of the above. 4. A Flip Flop has got a memory of
[ marks]1 bit (b) 2 bit (c) 4 bit (d) 8 bit 5. In an Electrical system, the flow of current follows:
[ marks]De Morgan’s law (b) Boyle’s law (c) Curie’s law (d) Ohm’s law 6. Aradio station transmitting AM wave with 1 MHz frequency band having a wavelength of ________.
[ marks]3 meter, (b) 300 meter, (c) 0.3 meter, (d) 30 meter 7. Acircuit designed to increase the level of its input signal is called:
[ marks]an amplifier (b) a modulator (c) an oscillator (d) a receiver
[ marks]Draw the various rules to reduce/modification of Block Diagram system.
[3 marks]Write a short note on ammeter and voltmeter.
[4 marks]Explain Kirchhoff’s Voltage law with suitable example.
[7 marks]Give the classification of electric network.
[3 marks]State and explain Thevenin’s theorem.
[4 marks]Explain Node and Mesh Analysis with Controlled Sources., with example.
[7 marks]Explain current to voltage convertor.
[3 marks]Compare open loop and closed loop system.
[4 marks]Explain ideal characteristics of ideal Op-Amp in detail.
[7 marks]State and prove De-Morgan’s theorems.
[3 marks]Classify network topologies and draw each one of them.
[4 marks]Give different types of flip flops. Explain any one of flip flop in detail.
[7 marks]Draw only functional block diagram of signal processing system.
[3 marks]What do you understand about multiplexing? Explain any one of the multiplexing technique.
[4 marks]Explain in detail pulse modulation with necessary diagrams.
[7 marks]Define waveguide, transmission lines and antenna.
[3 marks]Classify the standard on 2G and 3G.
[4 marks]Draw and explain the block diagram of superheterodyne AM radio receiver.
[7 marks]