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Digital Electronics

Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

 NAND gate
 X-NOR gate
 NOR gate
 X-OR gate

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Digital Electronics
9’s complement of 52784630 is

 57316379
 48225469
 47215369
 58326479

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Digital Electronics
Why decoder is used in the digital electronics ?

None of these
 To convert non coded information into coded form
 To convert coded information into non coded form
 It is used to separate address bus and data bus

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Digital Electronics
"What would happen, if smaller logic modules are utilized for performing logical functions associated with FPGA? A. Propagation delay will increase B. FPGA area will increase C. Wastage of logic modules will not be prevented D. Number of interconnected paths in device will decrease"

A & D
C & D
B & C
A & B

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Digital Electronics
Which of the following BCD codes with an odd parity bit included in the end of code group, have error in the code? (I)1001010110000 (II)0100011101100 (III)0111110000011 (IV)1000011000101

 Only (II)
 Both (I) & (II)
 Both (II)&(III)
 Both (I)&(IV)

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Digital Electronics
Which of the following gate is a two-level logic gate

OR gate
NOT gate
EXCLUSIVE OR gate
NAND gate

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