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Digital Electronics

Digital Electronics
A demultiplexer is a

 1-to-1 device
 N-to-N device
 N-to-1 device
 1-to-N device

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Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 3
 2
 4
 1

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 1,y = 1,z = 0
 w = 1,y = 1,z = 1
 w = 0,y = 1,z = 1
 w = 0,y = 0,z = 1

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

BGA
QFP
PLCC
PGA

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Digital Electronics
The way of representing numbers in the form of 0s and 1s is called as

 Zeros Notation
 Computer Notation
 Binary Notation
 Ones Notation

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Digital Electronics
(1D)16 in BCD 8421 code is

 00011111
 00011101
 00100100
 00101001

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