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Digital Electronics

Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 X-NOR
 AND
 OR
 NAND

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Digital Electronics
1 Gigabyte is equal to

 1024 bytes
 1024 Mbytes
 1024 kbytes
 1024 bits

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

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

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

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Digital Electronics
A device which converts 2421 code into 8421code is called a

 code encoder
 code converter
 coder
 code decoder

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Digital Electronics
In LSI, the number of gate circuits per chip is

 1000 to 10,000
 100 to 9,999
 < 10,000
 100 to 999

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MORE MCQ ON Digital Electronics

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