Electronic Devices Quiz

Which of the following technique can’t be used for generating electron-hole pairs in electronic devices?

• Thermal excitation

• Impact ionization

• Photo excitation

• Impurity injection

Which of the following is correct about photo diode electronic devices?

• P-N junction is connected in reverse bias.

• Electron-hole pairs are generated by impurity injection in depletion layer

• It is a photovoltaic cell

• No external voltage is applied

An electronic circuit wire of conductivity 5.8 × 107 mho-m is subjected to an electric field of 40 mV/m. What will be its current density?

• 2.32 × 106 A/m2

• 1.16 × 106 A/m2

• 4.64 × 106 A/m2

• 4.30 × 106 A/m

What is the conductivity of an extrinsic type semiconductor electronic device at 0K?

• maximum

• zero

• can’t be determined

• minimum

Which of the following is the correct order of turn-off times?

• MOSFET < BJT < IGBT < SCR

• MOSFET < IGBT < BJT < SCR

• SCR < BJT < IGBT < MOSFET

• BJT < MOSFET < IGBT < SCR

Where does the Q point lie for class B amplifier?

• Active

• Cut off

• Saturation

• Between saturation and active

How to avoid cross over distortion?

• By using more resistance

• By using more capacitance

• By using more Inductance

• By shifting the Q point above cut off

Which design considers both the hardware and software during the embedded design?

• Memory Design

• Software/ hardware design

• Platform-based design

• Peripheral design

What does FRIDGE stand for?

• the floating-point programming design environment

• the fixed-point programming design environment

• floating-point programming decoding

• fixed-point programming decoding

Which of the following can reduce the loop overhead and thus increase the speed?

• loop tiling

• Loop unrolling

• loop fusion

• loop permutation