# Answers by Lakshman Patel RJIT

1
In digital logic, if $A\oplus B=C$, then which one of the following is true? $A\oplus C=B$ $B\oplus C=A$ $A\oplus B\oplus C=0$ Both (A) and (B)
1 vote
2
Which of the following statements is false? $(P\land Q)\lor(\sim P\land Q)\lor(P \land \sim Q)$ is equal to $\sim Q\land \sim P$ $(P\land Q)\lor(\sim P\land Q)\lor(P \wedge \sim Q)$ is equal to $Q\lor P$ $(P\wedge Q)\lor (\sim P\land Q)\lor(P \wedge \sim Q)$ is equal to $Q\lor (P\wedge \sim Q)$ $(P\land Q)\lor(\sim P\land Q)\lor (P \land \sim Q)$ is equal to $P\lor (Q\land \sim P)$
3
What is described by means of DFDs as studied earlier and represented in algebraic form? Data flow Data storage Data structures Data elements
If $A\oplus B=C$, then which one of the following is true? $A\oplus C=B$ $B\oplus C=A$ $A\oplus B\oplus C=0$ Both (A) and (B)
If $G$ is an undirected planar graph on $n$ vertices with $e$ edges then $e\leq n$ $e\leq 2n$ $e\leq 3n$ None of the option
In a cache memory if total number of sets are ‘$s$’, then the set offset is: $2^8$ $\log_2s$ $s^2$ $s$
According to the given language, which among the following expressions does it correspond to ? Language $L=\{x\in\{0,1\}\mid x\text{ is of length 4 or less}\}$. $(0+1+0+1+0+1+0+1)^4$ $(0+1)^4$ $(01)^4$ $(0+1+\varepsilon)^4$