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ISRO Technician-B
Electronic Mechanic
ISRO Technician-B Electronic Mechanic 2017
17

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

17) 2's complement of -7 is

0111

1000

1111

1001

Answer is:

1001

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

18) If 52/4 = 12, the base of the number system is

4

5

6

8

Answer is:

6

19) Any combinational circuit can be designed using only

AND gates

OR gates

XOR gates

NOR gates

Answer is:

NOR gates

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

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

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