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Digital Electronics

Digital Electronics
A device which converts BCD into octal is called

 demultiplexer
 encoder
 code converter
 decoder

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Digital Electronics
In signed magnitude representation, the binary equivalent of 22.5625 is (the bit before comma represents the sign)

 1,10101.1001
 1,10110.1001
 0,10110.1011
 0,10110.1001

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Digital Electronics
Switching circuits are

 none of these
 digital circuits
 analog circuits
 hybrid circuits

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Digital Electronics
Dual slope ADC has R = 1 KΩ and C = 0.22 nanofarad has charging and discharge times for some voltage is 9 ns and 3 ns respectively. The reference Voltage is 2.2 V. What is the peak voltage reached by triangular wave during charging?

 300 mV.
 90 mV.
 900 mV.
 30 mV.

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Digital Electronics
The implicants which will definitely occur in the final expression are called

 prime implicants
 redundent prime implicants
 essential prime implicants
 selective prime implicants

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Digital Electronics
ASCII code is a

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

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MORE MCQ ON Digital Electronics

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