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Digital Electronics

Digital Electronics
The number A = 01110000 and B = 10101111 are in 2’s complement form .Addition of above two number is

 011100001
 11100000
 10101111
 00011111

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

 < 500
 12 to 99
 50 to 100
 < 50

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Digital Electronics
(11011) 2 in BCD 8421 code is

 01101100
 00100111
 00011011
 11011001

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Digital Electronics
The most suitable gate for comparing two bits is

 AND
 OR
 X-OR
 NAND

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Digital Electronics
If 4 input MUXes drive a 4 input multiplexer, it results a

 8 input MUX
 16 input MUX
 6 input MUX
 4 input MUX

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

 8
 3
 6
 9

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