Q1. Which of the following are components of CPU?
(A) Arithmetic logic unit, Control unit
(B) Arithmetic logic unit, Mouse, Keyboard
(C) Arithmetic logic unit, Integrated Circuits
(D) Control Unit, Monitor

Q2. Which among following first generation of computers had?
(A) Integrated Circuits
(B) Vacuum Tubes and Magnetic Drum
(C) Magnetic Tape and Transistors
(D) Transistors

Q3. The difference between the half power frequencies is known as:
(A) resonant frequency
(B) bandwidth
(C) cutoff frequency
(D) None of these

Q4. In an electric circuit, the dual of resistance is
(A) capacitance
(B) conductance
(C) inductance
(D) admittance

Q5. In the case of BJT amplifier, bias stability is achieved by
(A) Keeping the base current constant
(B) Keeping the temperature constant
(C) Changing the base current in order to keep Ic and Vce constant
(D) Keeping the temperature and base current constant

Q6. A resistor and capacitor in series is known as:
(A) Pulse Circuit
(B) Schmitt Circuit
(C) Oscillator Circuit
(D) Timing Circuit

Q7. Which one has the highest noise margin?
(A) Schottky TTL
(B) Low power Schottky TTL
(C) CMOS
(D) TTL Standard

Q8. Which of the following is desirable parameter?
(A) Higher noise margin
(B) Lower noise margin
(C) Optimum noise margin
(D) None of these

Q9. Connecting the negative and positive leads of a battery will produce:
(A) A low current path
(B) An open circuit
(C) A short circuit
(D) A high resistance circuit

Q10. The bandwidth of an RF amplifier is dependent on
(A) Q factor of the tuned input circuit
(B) Quiescent operating point
(C) Q factor of the tuned output circuit
(D) None of these

Q11. If two resistors are placed in series, the final resistance:
(A) Will be lower
(B) Will be higher
(C) Will be same
(D) Cannot be determined

Q12. If a small value of capacitance is connected in parallel with a large value, the combined capacitance will be nearest to:
(A) Higher
(B) The same
(C) Lower
(D) zero

Q13. Unused input in TTL gate acts as:
(A) Logical 0
(B) Logical 1
(C) No effect
(D) None of these

Q14. What does LED stand for?
(A) Light Emitting Diode
(B) Light Emitting Display
(C) Light Emitting Display
(D) Low Energy Diode

Q15. Negative feedback in an amplifier:
(A) Increase gain
(B) Increase Noise
(C) Reduces bandwidth
(D) Reduces gain

Q16. A 50k resistor in parallel with 50k produces:
(A) 50k
(B) 100k
(C) 25k
(D) 200k

Q17. If we connect two 3V batteries in series, the output voltage will be:
(A) 6v
(B) 3v
(C) 1v
(D) 1.5v

Q18. If we connect two 3V batteries in parallel, the output voltage will be
(A) 3v
(B) 6v
(C) 1.5v
(D) 1v

Q19. Which of the following transistors can be used in E-mode?
(A) JFET
(B) MOSFET
(C) NPN transistors
(D) UJT

Q20. The two input terminals of an op-amp are known as:
(A) Positive and negative
(B) High and low
(C) Inverting and non-inverting
(D) Differential and non-differential

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