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Digital Electronics

Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 three
 four
 two
 one

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Digital Electronics
ASCII code is a

 10-bit code
 8-bit code
 7-bit code
 5-bit code

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Digital Electronics
A digital voltmeter has a read out range from 0 to 999 counts, the resolution is

 1 V.
 1.1 V.
  1 mV.
 0.01 V.

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Digital Electronics
A 10 bit A/D conveter is used to digitize an analog signal in the 0 to 6 volt. The maximum peak to ripple voltage that can be allowed in the D.C. supply voltage is

  6 mV.
  5.85 mV.
 10 mV.
 5 mV.

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Digital Electronics
A bubbled NAND gate is equivalent to a

 NOR gate
 NAND gate
 X-OR gate
 OR gate

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Digital Electronics
In VLSI, the number of gate circuits per chip is

 50,000 to 99,999
 > 10,000
 < 10,000
 10,000 to 99,999

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