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Digital Electronics

Digital Electronics
Combinations that are not listed for the input variables are

 Carry
 Overflow
 Borrow
 Don't Care

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Digital Electronics
In binary number system the first digit (bit) from right to left is called as

 MSB, Most Significant Bit
 Last Bit
 First Bit
 LSB, Least Significant Bit

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Digital Electronics
The code used in digital systems to represent decimal digits, letters, and other special characters such as + , – , . , * , etc. is

 octal
 hexadecimal
 natural BCD
 ASCII

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

  J-K FF.
  S-R FF.
  D FF.
  T FF.

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Digital Electronics
Most of the digital computers do not have floating point hardware because

It is slower than software
Of no specific reason
Floating point hardware is costly
It is not possible to perform floating point addition by hardware

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Digital Electronics
The output of a NAND gate is low

 only when at least one input is high
 only when at least one input is low
 only when all the inputs are low
 only when all the inputs are high

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MORE MCQ ON Digital Electronics

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