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Digital Electronics

Digital Electronics
Which of the following represents (E3)16 ?

 (1CE)16+(A2)16
 (1BC)16-(DE)16
 (2BC)16-(1DE)16
 (200)16-(11D)16

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Digital Electronics
Each term in the standard SOP form is called a

 literal
 minterm
 maxterm
 don’t care

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 both have same
 2
 none
 1

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

 Reprogrammable
 Mask programmable
None of these
 One-time programmable

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Digital Electronics
The NOR gate is OR gate followed by ___________.

None of these
AND gate
NOT gate
NAND gate

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Digital Electronics
The voltage levels for positive logic system

 must necessarily be negative
 may be positive or negative
 must necessarily be 0 V and 5 V
 must necessarily be positive

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