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Digital Electronics

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

 16 × 16
 256 × 1
 64 × 4
 32 × 8

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Digital Electronics
Boolean algebra is also known as

 Counting algebra
 Transistor algebra
 Gate algebra
 Switching algebra

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Digital Electronics
A full adder has

 3 inputs, 2 outputs
 3 inputs, 1 output
 2 inputs, 2 outputs
 2 inputs, 1 output

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Digital Electronics
A demultiplexer is a

 1-to-N device
 N-to-1 device
 1-to-1 device
 N-to-N device

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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.
 90 mV.
 300 mV.
 30 mV.

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Digital Electronics
X + X.Y = ?

 Y
 1
 X
 0

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