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Digital Electronics

Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 one
 two
 four
 three

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

 Mask programmable
 One-time programmable
 Reprogrammable
None of these

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -37 as 11011011
 -48 as 11101000
 -89 as 10100111
 -32 as 11100000

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Digital Electronics
When an input signal 1 is applied to a NOT gate, the output is ___________.

Either 0 & 1
1
None of these

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Digital Electronics
Which is typically the longest: bit,byte,nibble,word?

 nibble
 word
 bit
 byte

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Digital Electronics
AND operation is equivalant to

 Division
 Intersection
 Both B and C
 Union

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