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Digital Electronics

Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 10
 12
 6
 9

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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 & B
A & D
C & D
B & C

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Digital Electronics
A number system with radix 2 is known as

 Decimal
 Hexadecimal
 Binary
 Octal

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Digital Electronics
The voltage levels for negative logic system

 must necessarily be positive
 must necessarily be 0 V and –5 V
 may be negative or positive
 must necessarily be negative

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0100 1111 0010 1100
 0100 1110 0010 1101
 0101 1111 0010 1100
 0100 1111 0010 1101

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Digital Electronics
OR-AND realization of a combinational circuit is equivalent to

 NAND-NOR realization
 NAND-NAND realization
 NOR-NAND realization
 NOR-NOR realization

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