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Digital Electronics

Digital Electronics
Consider the operation 24+17 = 40 .What is the correct base of number so that operation is correct?

 12
 11
 10
 13

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Digital Electronics
The 2s complement of 17 is

 101110.
  101111.
 110001.
 111110.

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Digital Electronics
The code used for labeling the cells of a K-map is

 hexadecimal
 8-4-2-1 binary
 gray
 octal

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system.

 5 V and 0 V
 1 V and 5 V
 –1.5 V and – 0.5 V
 0 V and 5 V

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Digital Electronics
An 8-square is called

 an octet
 a cube
 a quad
 a pair

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Digital Electronics
A 10 bit A/D conveter is used to digitize an analog signal in the 0 to 6 volt. The maximum peak to ripple voltage that can be allowed in the D.C. supply voltage is

 5 mV.
  6 mV.
 10 mV.
  5.85 mV.

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