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Digital Electronics

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

 four
 two
 three
 one

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Digital Electronics
9’s complement of 52784630 is

 57316379
 47215369
 48225469
 58326479

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Digital Electronics
X + X.Y = ?

 1
 X
 0
 Y

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

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Digital Electronics
A binary number system is of base ________

 4
 1
 2
 10

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Digital Electronics
The codes in which each successive code word differs from the preceding one in only one bit position are called

 self-complementing codes
 sequential codes
 cyclic codes
 BCD codes

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