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Digital Electronics

Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 10 bits
 16 bits
 8 bits
 12 bits

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Digital Electronics
Which of the following is known as a mod-2 adder?

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

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Digital Electronics
Which of the following gates is known as a coincidence detector?

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

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Digital Electronics
The 2s complement of 17 is

 111110.
 101110.
 110001.
  101111.

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Digital Electronics
The NAND-NAND realization is equivalent to

 NOT-OR realization
 AND-OR realization
 AND-NOT realization
 OR-AND realization

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Digital Electronics
A 15-bit Hamming code requires

 4 parity bits
 none of these.
 5 parity bits
 15 parity bits

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