Consider the following algorithm to implement the queue front operation:Algorithm queueFront (queue, dataOut)1 if (queue empty) 1.1 return false2 end if3 move data at front of queue to dataOut4 return trueend queueFrontWhich line needs to be changed if we want to modify it to implement the queue rear operation?
A. 1
B. 1.1
C. 2
D. 3
Answer: D
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