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Digital Electronics

Digital Electronics
A byte is equal to ________ bits.

 4
 32
 8
 16

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Digital Electronics
Complement of NOR and OR gate is ________ and ________ respectively.

 NAND, AND
 AND, NAND
 OR, NOR
 NOR, OR

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Digital Electronics
Dual slope ADC has R = 1 KΩ and C = 0.22 nanofarad has charging and discharge times for some voltage is 9 ns and 3 ns respectively. The reference Voltage is 2.2 V. What is the peak voltage reached by triangular wave during charging?

 900 mV.
 300 mV.
 90 mV.
 30 mV.

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 0 and 4
 1 and 4
 1 and 3
 0 and 3

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Digital Electronics
The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively

 +(2n-1-1),-2n-1
 +2n-1,-(2n-1-1)
 None of these
 +(2n-1-1),-(2n-1-1)

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Digital Electronics
If a counter having 10 flip flops is initially at 0, What count will if hold after 2060 pulses?

  000 000 1000.
 000 001 1100.
 000 000 1110.
  000 000 1100.

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