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Digital Electronics

Digital Electronics
The number FF in base-16 systems will be equal to ________ in binary system.

 10101010
 11101110
 11111111
 10011001

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Digital Electronics
A device which converts decimal number into BCD form is called

 multiplexer
 encoder
 code converter
 decoder

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Digital Electronics
How many numbers are used in the decimal number system?

None of these
 1 to 10
 0 to 10
 0 to 9

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Digital Electronics
A bubbled OR gate is equivalent to a

 NOR gate
 AND gate
 X-OR gate
 NAND gate

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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
The address bus with a ROM of size 1024 × 8 bits is

 12 bits
 16 bits
 8 bits
 10 bits

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