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ISRO
ISRO Technician-B
Electronic Mechanic
ISRO Technician-B Electronic Mechanic 2017
19

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

19) Any combinational circuit can be designed using only

AND gates

OR gates

XOR gates

NOR gates

Answer is:

NOR gates

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

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

20) The functional difference between an S-R flip flop and J-K flip flop is that

JK flip flop is faster than SR flip flop

JK flip flop has a feedback path

JK flip flop accepts both inputs 1

JK flip flop does not require external clock

Answer is:

JK flip flop accepts both inputs 1

21) Minimum number of flip flops required for a mod-12 ripple counter is

3

4

6

12

Answer is:

4

22) Find the resolution of a 10-bit AD converter for an input range of 10V?

97.7 mV

9.77 mV

0.977 mV

977 mV

Answer is:

9.77 mV

23) Which among the following acts as a switch in switching regulator?

Resistor

Inductor

Transistors

Relays

Answer is:

Transistors

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

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