Q1. The Odd Parity is generated by
(A) EX-OR Gate
(B) EX-NOR Gate
(C) NOT Gate
(D) All the above
Answer: EX-OR Gate
Explanation:
Q2. The power consumed by a pure capacitor is
(A) 1 W
(B) 0.5 W
(C) infinite Watts
(D) 0 W
Answer: 0 W
Explanation:
Q3. Positive feedback is used in
(A) Amplifiers
(B) Rectifiers
(C) Oscillators
(D) None
Answer: Oscillators
Explanation:
Q4. UJT may better used as
(A) Amplifier
(B) Clamper
(C) Rectifier
(D) Sawtooth wave generator
Answer: Sawtooth wave generator
Explanation:
Q5. which one of the following is not a unit of time
(A) Micro second
(B) Second
(C) Year
(D) Light year
Answer: Light year
Explanation:
Q6. The most stable sine wave oscillator with most simple circuit is
(A) Colpits
(B) Armstrong
(C) Phaseshift circuit
(D) Crystal
Answer: Crystal
Explanation:
Q7. A string of 4 bits is called as
(A) Bit
(B) Byte
(C) Word
(D) Nibble
Answer: Nibble
Explanation:
Q8. The unit used to measure the supersonic speed is
(A) knots
(B) Mach
(C) Richter
(D) Hertz
Answer: Mach
Explanation: Supersonic speed is a rate of travel of an object that exceeds the speed of sound (Mach 1). For objects traveling in dry air of a temperature of 20 °C at sea level, this speed is approximately 343 m/s
Q9. when the input to seven segment decoder is"0100" the number on display will be
(A) 0
(B) 2
(C) 4
(D) 9
Answer: 4
Explanation:
Q10. unit distance codes are also called as
(A) Cyclic codes
(B) Non cyclic codes
(C) Error codes
(D) All of the above
Answer: Cyclic codes
Explanation:
Q11. A semi conductor when placed at 0K
(A) Insulator
(B) Conductor
(C) Semiconductor
(D) Metal
Answer: Insulator
Explanation:
Q12. The loop gain of Schmitt Trigger is always
(A) 0
(B) Less than 1
(C) Greater than 1
(D) None
Answer: Greater than 1
Explanation:
Q13. Sound cannot travel through
(A) Gases
(B) Vacuum
(C) solids
(D) Liquids
Answer: Vacuum
Explanation:
Q14. Mass and weight ………………..
(A) are same quantities
(B) Are different quantities
(C) No Relation between them
(D) All of the above
Answer: Are different quantities
Explanation:
Q15. Which of the following is a dimensionless quantity.
(A) Gravity
(B) Specific Gravity
(C) Density
(D) acceleration
Answer: Specific Gravity
Explanation:
Q16. As frequency increases, the magnetic flux inside a conductor
(A) Increases
(B) Decreases
(C) Remains constant
(D) None of the above
Answer: Decreases
Explanation:
Q17. transformation ratio of pulse transformer
(A) 05:01:00
(B) 20:01:00
(C) 10:01:00
(D) 01:01:00
Answer: 01:01:00
Explanation:
Q18. ohms law is valid for
(A) metals
(B) semiconductor
(C) diodes
(D) transitors
Answer: metals
Explanation:
Q19. Effect of passing current through conductor is
(A) magnetic
(B) both magnetic and heating
(C) heating
(D) none
Answer: both magnetic and heating
Explanation:
Q20. Number of machine cycles required for RET instruction to execute
(A) 1
(B) 2
(C) 3
(D) 4
Answer: 3
Explanation:
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