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Digital Electronics

Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

 clearing
 triggering
 input
 output

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Digital Electronics
The 1’s complement of 11010111 is

 00101000
 10101000
 10101000
 11101000

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Digital Electronics
ASCII code is a

 8-bit code
 5-bit code
 10-bit code
 7-bit code

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Digital Electronics
A switch-tail ring counter is made by using a single D-FF, the following circuit is

  T FF.
  D FF.
  S-R FF.
  J-K FF.

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Digital Electronics
What are the values of R1 and R2 respectively in the expression (235)R1 = (565)10 = (1065)R2

 6, 16
 16, 8
 8, 16
 12, 8

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 CMOS ICs
 ECL ICs
 MOS ICs
 TTL ICs

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