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Digital Electronics

Digital Electronics
Which type of CPLD packaging can provide maximum number of pins on the package due to small size of the pins?

PGA
QFP
BGA
PLCC

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Digital Electronics
How many entries will be in the truth table of a 3 input NAND gate ?

 9
 8
 3
 6

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

 code encoder
 code converter
 code decoder
 coder

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Digital Electronics
A bubbled OR gate is equivalent to a

 NAND gate
 X-OR gate
 NOR gate
 AND gate

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Digital Electronics
Which of the following BCD codes with an odd parity bit included in the end of code group, have error in the code? (I)1001010110000 (II)0100011101100 (III)0111110000011 (IV)1000011000101

 Both (II)&(III)
 Both (I)&(IV)
 Both (I) & (II)
 Only (II)

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

 2
 3
 4
 1

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