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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 NAND gate
 X-OR gate
 NOR gate
 OR gate

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Digital Electronics
A hexadecimal odometer displays F 52 F. The next reading will be

G52F
F53O
F53F
F52E

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Digital Electronics
A multiplexer is a

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

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

 three 3-input NAND gates and one 3-input NOR gate
 three 3-input OR gates and one 3-input AND gate
 four input NAND gates only
None of these

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Digital Electronics
An AND gate will function as OR if

All the inputs are ‘0’
Either of the inputs is “1”
All the inputs to the gates are “1”
All the inputs and outputs are complemente'

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Digital Electronics
What is the radix of octal number system ?

 2
 8
 16
 10

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