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Digital Electronics

Digital Electronics
Which of the following is 2’s complement of +12?

 00000011
 01110011
 00001000
 00001100

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Digital Electronics
The binary code of (21.125)10 is

10101.001
10100.001
10100.111
10101.01

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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
PLCC
PGA
QFP

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 an OR or an X-NOR
 an AND or a NOR
 an OR or an X-OR
 a NAND or an X-OR

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Digital Electronics
In a read-only memory information can be stored

 by the user a number of times
 by the user only once during its life time
 in any of the above ways depending upon the type of memory
 at the time of fabrication

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Digital Electronics
1s Complement of 11001010 is

 00110111
 11001001
 00110101
 11001011

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