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Digital Electronics

Digital Electronics
In Boolean algebra A.A is equal to

 A²
 A
 2A
 1

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Digital Electronics
What is/are the configurable functions of each and every IOBs connected around the FPGA device from the operational point of view?

Input operation
Tristate output operation
All of these
Bi-directional I/O pin access

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Digital Electronics
Slowest memory element is

 Hard Drive
 Cache
 RAM
 ROM

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Digital Electronics
Which one of the following is 2’s complement of -68?

 01111100
 00111100
 10111100
 11000100

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Digital Electronics
The 7-bit Hamming code is used to transmit

 3 data bits
 7 data bits
 4 data bits
 no data bits

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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
 1
 4

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