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Digital Electronics

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

 16, 8
 6, 16
 12, 8
 8, 16

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Digital Electronics
The binary number 10101 is equivalent to decimal number ___________.

21
27
12
19

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Digital Electronics
How many NOR gates are required to obtain AND operation?

 4
 2
 1
 3

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Digital Electronics
In which of the following codes do the successive characters differ in only 1-bit position?

 8421 code
 cyclic code
 2421 code
 binary code

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Digital Electronics
A byte is equal to ________ bits.

 4
 16
 32
 8

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

 Open collector output
 Output is inverted
 Tristate
None of these

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