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Digital Electronics

Digital Electronics
An any or all gate is the other name of

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

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Digital Electronics
Which of the following is equivalant to an ODD function

 XNOR
 XOR
 AND-NOR
 NOR

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Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 256 × 1
 32 × 8
 64 × 4
 16 × 16

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

 four input NAND gates only
 three 3-input OR gates and one 3-input AND gate
 three 3-input NAND gates and one 3-input NOR gate
None of these

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

  10.
 12.
 24.
  6.

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Digital Electronics
The 1’s complement of 11010111 is

 10101000
 11101000
 00101000
 10101000

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