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Digital Electronics

Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 OR
 NAND
 NOR
 AND

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0101 1111 0010 1100
 0100 1111 0010 1100
 0100 1111 0010 1101
 0100 1110 0010 1101

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are equal
 All inputs are LOW
 All inputs are HIGH
 The inputs are different

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Digital Electronics
The time required for a gate to change its output is called as

 start time
 propagation time
 run time
 Decay time

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Digital Electronics
A self-complementing code for the decimal digits is created using the weight 4 4 3 -2. The value of 8592 in the code is

 1100 1001 1111 1000
 1100 0111 1111 0011
 1100 1011 1111 1001
 1000 0101 1001 0010

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Digital Electronics
How many input and output required for multiplexer ?

 Many input and one output
None of these
 One input and many output
 One input and one output

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