DVD (18EC54) 2022-23

_______ is the photoresist which is initially soluble and becomes insoluble when exposed to UV light

• Positive photo resist

• Negative photo resist

• chrome

• reticle

In fabrication ___________is the process of building wires to connect the devices.

• Sputtering

• Routing

• Passivation

• Metallization

Which factor/s play/s a crucial role in determining the speed of CMOS logic gate?

• All of the above

• Load capacitance

• Supply voltage

• Gain factor of MOS

For a static CMOS, the output is high, then the state of the NMOS and PMOS are as follows

• NMOS off and PMOS linear

• NMOS off and PMOS non-linear

• NMOS on and PMOS non-linear

• NMOS on and PMOS linear

In high noise margin (NM_H), the difference in magnitude between the maximum HIGH output voltage of driving gate and the maximum HIGH voltage is recognized by the _________gate.

• Driven

• Receiving

• Both a and b

• None of the above

In CMOS circuits, which type of power dissipation occurs due to switching of transient current and charging & discharging of load capacitance?

• Dynamic dissipation

• Static dissipation

• Static and Dynamic dissipation

• None

In stick diagram, n and p transistors are separated by using ____________

• Diffusion

• Demarcation line

• N well

• PR boundary

In CMOS inverter, the propagation delay of a gate is the/an _________ transition delay time for the signal during propagation from input to output especially when the signal changes its value.

• Highest

• Average

• Lowest

• None

The static PD for CMOS logic is maximum when input is at

• VDD

• VDD/2

• VDD/4

• 2VDD

------------------- can pass a logic 1 perfectly, but cannot pass a logic 0 perfectly

• Transmission gate

• nMOS

• pMOS

• Keepers