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Digital Electronics

Digital Electronics
1s Complement of 11001010 is

 00110111
 11001011
 00110101
 11001001

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Digital Electronics
The output of a NAND gate is low

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

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 2
 none
 1
 both have same

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Digital Electronics
Why decoder is used in the digital electronics ?

None of these
 To convert non coded information into coded form
 To convert coded information into non coded form
 It is used to separate address bus and data bus

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Digital Electronics
Transfer of data from one register to another register is known as ________ register operation.

 Inter
 Intra
 Inside
 In between

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Digital Electronics
The decimal number 0.246 in binary is

 0.001111
 0.010111
 0.011011
 0.001101

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