TPL SET-2

The most commonly used transistor circuit is

• common emitter

• common collector

• common base

• all of these

Major charge carriers in n-type semiconductors are

• protons

• neutrons

• electrons

• holes

Rectifier circuit helps to convert  which of the following voltages

• fixed dc to variable dc

• fixed ac to variable ac

• dc to ac

• ac to dc

Capacitors charge and discharge in

• constant

• exponential

• square

• linear

Which of the following is an impurity added in a semiconductor to make it a P-Type semiconductor?

• indium

• gallium

• boron

• antimony

When the phase of the feedback signal is same as that of the input, then it is called

• negative feedback

• no feedback

• positive feedback

• none

The characteristics of which element will not change on application of external voltage

• active element

• passive element

• both(a) and (b)

• neither (a) nor (b)

A process is a

• single thread of execution

• program in execution

• program in memory

• task

What is the full form of OSI?

• optical service implementation

• open service internet

• open system interconnection

• operating system interface

Which of the following transmission directions listed is not a legitimate channel?

• Simplex

• Half duplex

• Full duplex

• Double duplex