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Digital Electronics

Digital Electronics
A group of four bits is known as

 Byte
 Word
 Nibble
 Bit

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 47,877
 48,777
 48,877
 none

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Digital Electronics
What is the logic which controls a stair case light associated with two switches A and B located at the bottom and top of the stair case respectively?

 AND
 OR
 X-OR
 X-NOR

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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
 four input NAND gates only
 three 3-input OR gates and one 3-input AND gate
None of these

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

 10101010
 10011001
 11111111
 11101110

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

 10 bits
 16 bits
 8 bits
 12 bits

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