objective type questions and answers

communication will be effective

1. if it is delivered slowly and clearly

2.if it is delivered in a clam situation

3.if it reaches the receiver completly

4.if it reaches the receiver as intended by the sender

communication in the classroom often fails because

1.the students are inattentive

2.the teacher is monotonous in delivering the message

3.the students have no interests in the lesson being taught

4.there is very much noise in and around the classroom

which of the following will make communication more effective?

1.cutting jokes in between

2.using multi-sensory appeal

3.speaking with high authority

4.Telling what is useful to the listeners

Teaching will be effective if the teacher

1.is the master of the subject

2.has much experience in teaching the subject

3.starts from what students know already

4.uses many instructional aids

A college teacher will really help the students when she

1.dictates notes in the class

2.is objective in her evaluation

3.encourages students to ask questions

4.covers the syllabus completly in the class

Teaching will be effective if the teacher

1.is the master of the subject

2.has much experience in teaching the subject

3.starts from what students know already

4.uses many instructional aids

Which of the following statements has the high probability of being correct as applied to higher education

1.all students cannot learn and so all do not learn

2.all students can learn but all do not learn

3.all students can learn and so all learn

4.all students can not learn but all want to learn

A teacher has to be

1.a strict disciplinarian

2.wellversed in the subject

3.a continous learner in the subject

4.sympathetic towards slow learners

Our attitude towards knowledge should be

1.to accept what is proved by science on the basis of empirical evidence

2.to accept believing in the scope for improvement

3.to accept as the final truth

4.not to accept anything that is not personally verified

In higher education, research and teaching are two different activities that

1.can not go together

2.can go together

3.to accept as the final truth

4.not to accept anything that is not personally verified

The three important goals of data communications are correct delivery, accurate delivery and __________

1.late delivery

2.on the spot delivery

3.timely delivery

4.delivery on the next day

A set of rules that govern data communication between the sender and the receiver is called__________

1.rule

2.protocol

3.law

4.option

The de jure standards apply because of __________

1.conventions

2.agreement

3.regulation

4.choice

__________ standards are highly desirable because any one can use them

1.free

2.open

3.closed

4.reedy

The fundamental basis of data communication is ___________

1.light

2.electricity

3.voltage

4.signal propagation

the time required for passing energy from one point to another is called _______

1.propagation delay

2.movement delay

3.change delay

4.passing delay

________signals are continous in nature

1.analog

2.digital

3.mixed

4.none of the above

_________signals are on-off nature

1.analog

2.digital

3.mixed

4.none of the above

The concept of _________ can be understood with the help of the example of a water pipe

1.analog signals

2.digital signals

3.amplitude

4.bandwidth

__________showed that any waveform can be shown as made up of a number of smaller signals

1.Fourier

2.Newton

3.Einstein

4.Hartley

the strength of a signal at any point of time is called as its_________

1.amplitude

2.frequency

3.period

4.phase

The time required for the completion of one signal cycle is its __________

1.amplitude

2.frequency

3.period

4.phase

The number of cycles completed by a signal in one second is its ___________

1.amplitude

2.frequency

3.period

4.phase

The unit is called to measure frequency is ____________

1.hertz

2.volts

3.ampere

4.seconds

When a signal changes its value instantly, its frequency is ___________

1.zero

2.one

3.two

4.infinite

The position of a signal relative to time zero is ________

1.amplitude

2.frequency

3.period

4.phase

when the bandwidth of a signal is 100 Hz, the underlying hardware can send signal, that are _________ 100 cycles per second.

1.more than

2.less than

3.more than or equal to

4.less than or equal to

If a signal's lowest frequency component is 100 Hz and its highest frequency component is 500 Hz, then its bandwidth is ________Hz.

1.4900

2.5100

3.5000

4.infinite

A digital siganl with frequency 2 has a data rate of _______bps

1.1

2.0

3.4

4.2

Data rate is closely related with the __________ of a signal

1.phase

2.modulation

3.frequency

4.size