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Digital Electronics

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

  6.
 24.
  10.
 12.

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

OR gates
NOT gates
None of these
NAND gates

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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

 4
 2
 8
 6

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Digital Electronics
The number FF in base-16 systems will be equal to ________ in binary system.

 11111111
 10011001
 10101010
 11101110

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 X-OR
 NOR
 OR
 NAND

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Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 16
 15
 4
 7

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