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Digital Electronics

Digital Electronics
(11011) 2 in BCD 8421 code is

 00011011
 00100111
 11011001
 01101100

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Digital Electronics
Which is the example of digital device from the given option ?

 Microprocessors
 Thermistors
 Sensors
 Record players

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Digital Electronics
The logic expression AB can be implemented by giving the inputs A and B to a two-input

 X-OR gate
 NOR gate
 X-NOR gate
 NAND gate

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 1,y = 1,z = 0
 w = 1,y = 1,z = 1
 w = 0,y = 1,z = 1
 w = 0,y = 0,z = 1

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Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 none of these
 NOR
 OR
 NAND

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Digital Electronics
Why generic array logic (GAL) device was invented ?

 Reprogrammable
 Mask programmable
 One-time programmable
None of these

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