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Solved MCQ on Stack and Queue in Data Structure set-1

1) ......... form of access is used to add and remove nodes from a queue. A. LIFO, Last In First Out B. FIFO, First In First Out C. Both a and b D. None of these 2) In liked representation of stack ....... holds the elements of the stack. A. INFO fields B. TOP fields C. LINK fields D. NULL fields 3) ........ form of access is used to add remove nodes from a stack. A. LIFO B. FIFO C. Both A and B D. None of these 4) In the linked representation of the stack ......... behaves as the top pointer variable of stack. A. Stop pointer B. Begin pointer C. Start pointer D. Avail pointer 5) New nodes are added to the ......... of the queue. A. Front B. Back C. Middle D. Both A and B 6) In linked representation of stack the null pointer of the last node in the list signals .......... A. Beginning of the stack B. Bottom of the stack C. Middle of the stack D. In between some value 7) What happens when you push a new node onto a stack? A. The new node is placed at the front of the linked list B. The ...
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MCQ on Searching, Merging and Sorting Methods in Data Structure set-1

1) Finding the location of a given item in a collection of items is called ...... A. Discovering B. Finding C. Searching D. Mining 2) Which of the following is an external sorting? A. Insertion Sort B. Bubble Sort C. Merge Sort D. Tree Sort 3) Very slow way of sorting is .......... A. Insertion sort B. Heap sort C. Bubble sort D. Quick sort 4) Which of the following is an internal sorting? A. Tape Sort B. 2-way Merge Sort C. Merge Sort D. Tree Sort 5) Sorting a file F usually refers to sorting F with respect to a particular key called ..... A. Basic key B. Primary key C. Starting key D. Index key 6) The time complexity of quick sort is ........ A. O(n) B. O(logn) C. O(n2) D. O(n logn) 7) Selection sort first finds the .......... element in the list and put it in the first position. A. Middle element B. Largest element C. Last element D. Smallest element 8) Quick sort is also known as ........ A. merge sort B. tree sort C. shell sort D. partition and exchange sort 9) The operation that ...
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MCQ on Data Warehouse with Answers set-2

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Data Warehouse Overview (Photo credit: Wikipedia ) 1. The full form of OLAP is A) Online Analytical Processing B) Online Advanced Processing C) Online Advanced Preparation D) Online Analytical Performance 2. ......................... is a subject-oriented, integrated, time-variant, nonvolatile collection or data in support of management decisions. A) Data Mining B) Data Warehousing C) Document Mining D) Text Mining 3. The data is stored, retrieved and updated in .................... A) OLAP B) OLTP C) SMTP D) FTP 4. An .................. system is market-oriented and is used for data analysis by knowledge workers, including managers, executives, and analysts. A) OLAP B) OLTP C) Both of the above D) None of the above 5. ........................ is a good alternative to the star schema. A) Star schema B) Snowflake schema C) Fact constellation D) Star-snowflake schema 6. The ............................ exposes the information being captured, stored, and managed by operational systems. ...
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