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ISRO Technician-B
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ISRO Technician-B Electrician 2017
4

ISRO Technician-B Electrician Question Paper - 2017 (Set - 1) with Answer Key

4) XOR gate

Can be used to know whether two digital inputs are identical

Is a NOT followed by OR

Two OR gates followed by AND

Cannot be used for matching of two inputs

Answer is:

Can be used to know whether two digital inputs are identical

ISRO Technician-B Electrician Question Paper - 2017 (Set - 1) with Answer Key

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Related ISRO Technician-B Electrician Question Paper - 2017 (Set - 1) with Answer Key

5) The following Hexadecimal operation yields: 0xF0-0xAA+0x10

0xA5

0x56

0x74

0x66

Answer is:

0x56

6) A binary counter to count upto 100 (decimal) needs at least

7 flipflops

6 flipflops and one OR gate

5 flipflops and two AND gates

50 flipflops

Answer is:

7 flipflops

7) What is the resistance during heating of the thermostat in a water heater?

Around 1 k Ohm

Close to Zero Ohm

Very High value upto 100 Ohm

Open

Answer is:

Close to Zero Ohm

8) The capacitor in an electric fan is connected as

Series to start winding

Series to main winding

Parallel to main winding

Parallel to start winding

Answer is:

Series to start winding

ISRO Technician-B Electrician Question Paper - 2017 (Set - 1) with Answer Key

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