51. Noise in VLSI circuits means:
A. Unwanted signals that arise due to vibration in the passive circuits
B. Unknown signal that limits the minimum signal level that a circuit can process with acceptable quality
C. Signal which undergoes distortion
D. All of the mentioned
52. In probability Noise is described as:
A. Random function
B. Random process
C. Deterministic function
D. Deterministic process
53. Noise generated by independent devices are:
A. Correlated
B. Uncorrelated
C. Equal
D. None of the mentioned
54. The 2 types of noise that the analog systems face during signal processing are:
A. Device electronic noise and environmental noise
B. Noise due to Vibration and electronic noise
C. Passive and active noise
D. None of the mentioned
55. Thermal noise is generated from:
A. Resistor
B. Capacitor
C. Inductor
D. All of the mentioned
56. Thermal noise is generated from MOSFET by:
A. Conduction of charge carriers in the channel
B. Electric field across the gate and channel
C. Capacitance of the gate oxide
D. Substrate bias effect
57. Thermal noise current in the MOSFET is proportional to:
A. Transconductance
B. Resistance
C. Gate voltage
D. None of the mentioned
58. Flicker noise is found in MOSFET at:
A. Gate and oxide interface
B. Gate oxide and silicon interface
C. Source and substrate interface
D. Drain and substrate interface
59. Flicker noise originates due to:
A. Conduction in channel
B. Drain to Source voltage
C. Reduction in the channel length
D. Dangling bonds
60. The average power of flicker noise depends on:
A. Thickness of oxide
B. Cleanness of the oxide silicon interface
C. Voltage on oxide
D. Length of channel
61. If VIH of the 2nd gate is lower than VOH of the 1st gate, then logic output 0 from the 1st gate is considered as:
A. Logic input 1
B. Uncertain
C. Logic input 0
D. None of the mentioned
62. Input Voltage between VIH and VOH is considered as:
A. Logic Input 1
B. Logic Input 0
C. Uncertain
D. None of the mentioned