Here I am looking for the previous year GATE ECE Question Paper with Complete Solutions, can you please provide me the same???

As you are looking for the previous year GATE ECE Question Paper with Complete Solutions, so here I am sharing the same with you

A bulb in a staircase has two switches, one switch being at the ground floor and the other one at the fi rst floor. The bulb can be turned ON and also can be turned OFF by any one of the swi tches ir respective of the state of the other switch. The logic of switching of the bulb resembles
(a) an AND gate (b) an OR gate
(c) an XOR gate (d) a NAND gate

In a forward biased pn junct ion diode, the sequence of events that best descr ibes the mechanism of cur rent flow is

In IC technology, dry oxidat ion (using dry oxygen) as compared to wet oxidat ion (using steam or water vapor ) produces
(a) superior quali ty oxide with a higher growth rate
(b) inferior quality oxide with a higher growth rate
(c) inferior quality oxide with a lower growth rate
(d) superior quality oxide with a lower growth rate