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Digital Electronics

Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 8
 9
 7
 6

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 8
 6
 2
 4

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Digital Electronics
The binary number 10101 is equivalent to decimal number ___________.

21
12
19
27

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Digital Electronics
The time required for a gate to change its output is called as

 run time
 Decay time
 propagation time
 start time

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

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

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Digital Electronics
In Boolean algebra A.A is equal to

 A²
 A
 1
 2A

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