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Digital Electronics

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

 16
 7
 15
 4

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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 3
 1 and 4
 0 and 3

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Digital Electronics
In Boolean algebra, OR is represented by

 +
 -
 ×
 /

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Digital Electronics
If clock time period is 1ms, what is its frequency

None of these
 1 MHz
 1 kHz
 1 mHz

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Digital Electronics
How many input and output required for multiplexer ?

None of these
 Many input and one output
 One input and one output
 One input and many output

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Digital Electronics
The number 10000 would appear just immediately after

1111 (binary)
All of these
7777 (octal)
FFFF (hex)

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