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Digital Electronics

Digital Electronics
Which one of the following is not a vectored interrupt?

 INTR.
 RST 7.5.
 RST 6.5.
 TRAP.

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 100111
 001000
 101001
 0001111

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

 One-time programmable
None of these
 Mask programmable
 Reprogrammable

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Digital Electronics
If 4 input MUXes drive a 4 input multiplexer, it results a

 16 input MUX
 6 input MUX
 4 input MUX
 8 input MUX

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Digital Electronics
The NAND-NAND realization is equivalent to

 AND-NOT realization
 AND-OR realization
 OR-AND realization
 NOT-OR realization

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 2
 3
 4
 1

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