**Multiple Choice Questions on Data Structure and Algorithm Design**

*Q. 1 The amount of time required to run to completion of any program is known as*

*a. Space complexity*

*b. Time complexity**c. Worst case complexity*

*d. Best case complexity*

*Q. 2 What is the minimum number of steps that can be executed for the given parameters in a program?*

*a. Average case*

*b. Time complexity*

*c. Worst case*

*d. Best case*

*Q. 3 What is the maximum number of steps that can be executed for the given parameters in a program?*

*a. Average case*

*b. Time complexity*

*c. Worst case**d. Best case*

*Q. 4 ...............................is the average number of steps that can executed for the given parameters.*

*a. Average case**b. Time complexity*

*c. Worst case*

*d. Best case*

*Q. 5 Testing of a program consists of 2 phases which are ...............and .................... .*

*a. Average case & Worst case*

*b. Time complexity & Space complexity*

*c. Validation and checking errors*

*d.Debugging and profiling*

*Q. 6 Worst case time complexity of binary search is equal to*

*a. O(n)*

*b. O(logn)*

*c. O(nlogn)*

*d. O(logn)*

*Q. 7 Best case time complexity of binary search is equal to*

*a. O(n)*

*b. O(logn)**c. O(nlogn)*

*d. O(logn)*

*Q. 8 Average case time complexity of binary search is equal to*

*a. O(n)*

*b. O(logn)**c. O(nlogn)*

*d. O(logn)*

*Ans: O(logn)*

*Q. 9 Merge sort invented by*

*a. CARHOARE*

*b. JOHN VON NEUMANN**c. HAMILTON*

*d. STRASSEN*

*Q. 10 Quick sort invented by*

*a. CARHOARE**b. JOHN VON NEUMANN*

*c. HAMILTON*

*d. STRASSEN*

*Ans : CARHOARE*

*Q. 11 Worst case time complexity of Quick sort is equal to*

*a. O(n^2log7)*

*b. O(n^2)**c. O(nlogn)*

*d. O(logn)*

*Q. 12 Best case time complexity of Quick sort is equal to*

*a. O(n^2logn)*

*b. O(logn)*

*c. O(nlogn)**d. O(logn2)*

*Q. 13 Average case time complexity of Quick sort is equal to*

*a. O (nlogn)**b. O(logn)*

*c. O(nlogn)*

*d. O(logn)*

*Q. 14 Which design strategy stops the execution when it find the solution otherwise starts the problem from top*

*a. Back tracking*

*b. Branch and Bound*

*c. Divide and conquer*

*d. Dynamic programming*

*Ans: Back Tracking*

*Q. 15 Graphical representation of algorithm is known as*

*a. Pseudo-code*

*b. Flow Chart**c. Graph Coloring*

*d. Dynamic programming*

*Q. 16 In pseudo-code conventions input express is known as*

*a. input*

*b. Write**c. Read*

*d. Return*

*Q. 17 In pseudo-code conventions output express is known as*

*a. input*

*b. Write*

*c. Read**d. Return*

*Q. 18 Performance based criteria of algorithm , which has to do with its computing time is*

*a. Time Complexity**b. Space Complexity*

*c. Input*

*d. Finiteness*

*Q. 19 Performance based criteria of algorithm , which has to do with its storage requirements is*

*a. Time Complexity*

*b. Space Complexity**c. Input*

*d. Finiteness*

*Q. 20 O(1) means computing time is*

*a. Constant**b. Linear*

*c. Quadratic*

*d. Cubic*

*Q. 21 O(n) means computing time is*

*a. Constant*

*b. Linear**c. Quadratic*

*d. Cubic*

*Q. 22 O(n^2) means computing time is*

*a. Constant*

*b. Linear*

*c. Quadratic**d. Cubic*

*Q. 23 O(n^3) means computing time is*

*a. Exponential*

*b. Linear*

*c. Quadratic*

*d. Cubic*

*Q. 24 O(2^n) means computing time is*

*a. Constant*

*b. Linear*

*c. Quadratic*

*d. Exponential*

*Q. 25 Application of quick-sort is*

*a. Graphic card**b. Tape sorting*

*c. Data Processing*

*d. Card Sorting*

*Q. 26 Application of merge-sort is*

*a. Graphic card*

*b. Networking*

*c. Card Sorting*

*d. Data Processing*

*Q. 27 Which method will choosing when sub problems share sub problems*

*a. Divideand conquer*

*b. Dynamic programming**c. Greedy method*

*d. Back tracking*

*Q. 28 The sorting methods , which works very well for small file is known as*

*a. Count sort*

*b. Merge sort*

*c. Selection sort**d. Quick sort*

*Q. 29 Merge sort is known as*

*a. External sorting**b. Internal sorting*

*c. Insertion sorting*

*d. Exponential sorting*

*Q. 30 Step-by-step procedure for calculations is known as*

*a. Program*

*b. Greedy Method*

*c. Algorithm**d. Problem*

*Q. 31 Advantage of finding maximum and minimum using divide and conquer method instead of using conditional operators is known as*

*a. Reduce Space complexity*

*b. Reduce Time complexity**c. Get accurate value*

*d. Simple calculations*

*Q. 32 The general criteria of algorithm; at least one quantity is produced is*

*a. Output**b. Finiteness*

*c. Effectiveness*

*d. Input*

*Thanks*

*Mukesh Rajput*

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Thanks

Mukesh Rajput