The feedback loop in the general systems model is represented fey

Regenerative feedback implies feedback with

A

Oscillations

B

Step input

C

Negative sign

D

Positive sign

Voltage Series (feedback also called series-shunt feedback) results in

A

Increase in both input & output impedances

B

Decreases in both input & output impedances

C

Increase in input impedance & decreases in output impedance

D

Decrease in input impedance & increase in output impedance

In closed loop control system, with positive value of feedback gain the overall gain of the system will

A

Decrease

B

Increase

C

Be unaffected

D

Exponentially increase

For an oscillator to properly start, the gain around the feedback loop must initially be

A

1

B

Greater than 1

C

Less than 1

D

Equal to attenuation of feedback circuit

What are the three important manipulations done in a for loop on a loop variable?

A

Updation, Incrementation, Initialization

B

Initialization,Testing, Updation

C

Testing, Updation, Testing

D

Initialization,Testing, Incrementation

A closed loop system is distinguished from open loop system by which of the following ?

A

Servomechanism

B

Feedback

C

Output pattern

D

Input pattern

Compared to an open-loop system, a closed-loop control system is:

A

more accurate

B

more complex

C

more stable

D

All of the above

E

None of the above

In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is

A

$$\frac{{\text{G}}}{{1 + {\text{H}}}}$$

B

$$\frac{{\text{H}}}{{1 + {\text{G}}}}$$

C

$$\frac{{\text{G}}}{{\text{H}}}$$

D

$$\frac{{\text{H}}}{{\text{G}}}$$

The general systems model of the firm can be used

A

to solve problems in college classes

B

to ease the transition into a new company, upon graduation

C

to solve problems as a manager

D

All of the above

E

None of the above

The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

A

Application

B

Host to Host

C

Internet

D

Network Access

The feedback loop in the general systems model is represented fey

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