List of top Nanoelectronics Questions

The voltage across the inductor for \( t > 0 \) in the given circuit is:

A multiplexer (MUX)
(A) is a parallel to serial converter
(B) is also known as data distributor
(C) can be used as a logic function generator
(D) switch the data from several lines to one line

Choose the correct answer from the options given below:

A 32:1 Mux can be designed using:

To expand a 4-bit parallel adder to an 8-bit parallel adder, we can
(A) use two 4-bit adders and connect the sum output of one to the input bit of the other
(B) use four 4-bit adders with no interconnections
(C) use two 4-bit adders with the carry output of one connected to the carry input of the other
(D) use eight 4-bit adders with no interconnections

Characteristic equation (\( Q_{next} \)) is provided for the different flip-flops:
(A) \( Q_{next} = S Q + R Q' \)
(B) \( Q_{next} = S Q' + R Q \)
(C) \( Q_{next} = T Q' + T' Q \)
Choose the correct answer from the options given below:

The consequences of Early effect on BJT are:
(A) Effective base width reduces.
(B) Emitter injection efficiency and base transport factor increase.
(C) $\alpha$ and $\beta$ decrease.
(D) Emitter injection efficiency and base transport factor decrease.
Choose the correct answer:

Consider the following statements:
(A) Built-in potential across a diode reduces with increase in temperature.
(B) Electron concentration of n-type semiconductor equals intrinsic concentration at Curie temperature.
(C) Drain current of MOSFET is a positive temperature coefficient (PTC).
(D) Collector current of BJT has a PTC.
Choose the correct statements:

Which of the following statement(s) about Digital-to-Analog (DAC) converter is/are correct?
(A) DAC is said to be monotonic if its output decreases as the binary input is incremented from one value to the next.
(B) Ideally, the output of a DAC should be zero when the binary input is zero.
(C) The operating speed of a DAC is usually specified by giving its settling time.
(D) Resolution is the reciprocal of the number of discrete steps in the full-scale output of the DAC.

Bio-functionalization of magnetic nanoparticles has been extensively used for the development of biosensors such as:

Gauss's law in magnetostatics is expressed as,

The Extreme Ultraviolet (EUV) lithography employs .......... wavelength.

The output frequency for an 8-bit Johnson counter is ......... if the applied input frequency is 256 GHz.

In nanomaterials production, according to Aufbau principle the self-assembly of complicated structures takes place in a hierarchical fashion in the following sequence:
(A) the linear chains are bundled to form two-dimensional monolayers
(B) single molecules join up to form linear chains
(C) a finite number of independent molecules
(D) the two-dimensional monolayers are stacked to form the final three-dimensional crystal
Choose the correct answer from the options given below:

Which of the following statements about hydrogen peroxide is INCORRECT?

The process of synthesizing large polymer molecules is:

Following statements are given in reference to 8085 Microprocessor:
(A) Its memory size is 64 KB
(B) It is a 40-pin IC
(C) Its clock frequency lies between 3 to 5 MHz
(D) It has 16 bit of each data and address lines.
Choose the correct answer from the options given below:

The measurement of Nitric Oxide (NO) is quite difficult due to its ........ half-life and ........ reactivity with other biological components such as superoxide, oxygen, thiols.

In the ISFET pH measurement system, the voltage circuit has ........ impedance and the current circuit has ......... impedance.

........... are electromagnetic radiation with typical photon energies in the range of 100 eV to 100 keV: