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Digital Electronics

Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 NAND
 none of these
 NOR
 OR

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Digital Electronics
At which the digital data can be applied to a a gate is known as ________ frequency.

 Run-time
 Propagation
 Operating
 Truth

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Digital Electronics
A sequence of binary digits is known as

 bit string
 input string
 word string
 byte string

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Digital Electronics
If a Hexadecimal number needs to convert to binary. For each hexadecimal digit, there will be how many bits

 2
 8
 4
 1

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Digital Electronics
Why encoder is used in the digital electronics ?

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

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +2n-1,-(2n-1+1)
 +(2n-1-1),-(2n-1-1)
 +(2n-1-1),-2n-1
 +2n-1,-2n-1

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