Data Structures MCQs with Answers
Practice important Data Structures MCQs with answers and explanations.
Chapter: 9
Q181:
How is a queue implemented using a linked list different from a queue implemented using an array?
A. It is slower
B. It has fixed size
C. It is more dynamic
D. It requires more memory
Correct Answer:
C
Chapter: 10
Q182:
What is the primary purpose of a queue in the context of a bank simulation?
A. Store customer data
B. Manage teller assignments
C. Handle customer transactions
D. FIFO processing
Correct Answer:
C
Chapter: 10
Q183:
What does a priority queue allow for in a simulation model?
A. Handling data in LIFO order
B. Managing events by priority
C. Storing transaction details
D. Processing customer requests in any order
Correct Answer:
B
Chapter: 10
Q184:
In a time-based simulation model, how is time managed?
A. By using a clock that ticks continuously
B. By waiting for specific events to occur
C. By processing events based on their arrival order
D. By updating the time at fixed intervals
Correct Answer:
A
Chapter: 10
Q185:
What is the main difference between time-based and event-based simulation models?
A. Time-based uses a clock; event-based uses an event list
B. Event-based uses a clock; time-based uses event priority
C. Event-based processes events in a fixed sequence
D. Time-based does not handle event priorities
Correct Answer:
A
Chapter: 10
Q186:
In the given C++ code, what does the processArrival function do?
A. Handles the arrival of a new customer and assigns them to a queue
B. Processes the departure of a customer and updates the queue
C. Handles customer transactions based on priority
D. Updates the simulation time based on event occurrence
Correct Answer:
A
Chapter: 10
Q187:
What is the function of the updateQueue method in a queue simulation?
A. To add new customers to the queue
B. To remove customers from the queue
C. To prioritize customers based on arrival time
D. To process transactions for the queue
Correct Answer:
B
Chapter: 10
Q188:
How does the eventList data structure help in an event-based simulation?
A. It stores events in the order they occur
B. It processes events based on priority
C. It manages the simulation clock
D. It stores customer transaction details
Correct Answer:
B
Chapter: 10
Q189:
What is the purpose of the simulate function in a time-based simulation?
A. To initialize the simulation parameters
B. To update the simulation clock and process events
C. To handle customer arrival and departure
D. To manage the priority of events
Correct Answer:
B
Chapter: 10
Q190:
How does a FIFO queue benefit a bank simulation?
A. It processes customers in the order they arrive
B. It prioritizes customers based on their type
C. It manages customer transactions based on time
D. It stores customer data for analysis
Correct Answer:
A
Chapter: 10
Q191:
What role does the eventHandler function play in an event-based simulation?
A. It schedules events for future processing
B. It processes events as they occur
C. It manages the simulation time
D. It adds new events to the event list
Correct Answer:
B
Chapter: 11
Q192:
What is a priority queue used for in data structures?
A. Storing events based on priority
B. Storing events in FIFO order
C. Storing events in LIFO order
D. Storing data with equal priority
Correct Answer:
A
Chapter: 11
Q193:
Which method in the PriorityQueue class checks if the queue is full?
A. insert()
B. remove()
C. full()
D. length()
Correct Answer:
C
Chapter: 11
Q194:
In the PriorityQueue C++ code, what does the sortElements() method do?
A. Sorts the queue in ascending order
B. Adds elements to the queue
C. Removes elements from the queue
D. Checks if the queue is full
Correct Answer:
A
Chapter: 11
Q195:
What is the maximum number of elements a PriorityQueue can hold based on PQMAX?
A. 10
B. 20
C. 30
D. 40
Correct Answer:
C
Chapter: 11
Q196:
In a binary tree, what is the term used for the top node?
A. Leaf node
B. Root node
C. Child node
D. Subtree
Correct Answer:
B
Chapter: 11
Q197:
Which of the following is a characteristic of a strictly binary tree?
A. Every node has only one child
B. Every non-leaf node has two children
C. All nodes have at most three children
D. All nodes are leaf nodes
Correct Answer:
B
Chapter: 11
Q198:
How is the level of a node in a binary tree determined?
A. It is one more than the depth of the tree
B. It is one more than the level of its parent
C. It is equal to the depth of the tree
D. It is the same for all nodes
Correct Answer:
B
Chapter: 11
Q199:
What defines a complete binary tree?
A. All nodes have two children
B. All leaves are at the maximum depth
C. Every node has at least one child
D. The tree has no leaf nodes
Correct Answer:
B
Chapter: 11
Q200:
What is a binary tree?
A. A tree with nodes connected linearly
B. A tree where each node has at most two children
C. A tree with multiple parents per node
D. A tree with only one level
Correct Answer:
B