4. ALGORITHMIC STRATEGIES

4. The algorithm that yields expected output for a valid input in called as

(A) Algorithmic Solution                                       (B) Algorithmic outcomes

(C) Algorithmic problems                                        (D) Algorithmic coding

5. Which of the following is used to describe the worst case of an algorithm?

(A) Big A                               (B) Big S                    (C) Big W                  (D) Big O

6. Big Ω is the reverse of

(A) Big O                               (B) Big θ                    (C) Big A                   (D) Big S

7. Binary search is also called as

(A) Linear search                  (B) Sequential search (C) Random search   (D) Half-interval search      

2. Write the phases of performance evaluation of an algorithm.

6. CONTROL STRUCTURES

6. Which of the following is known as definite loop?

A) do..while B) while C) for                                     D) if..elif

1.Write a detail note on for loop.

8. STRINGS AND STRING MANIPULATION

8. Which of the following formatting character is used to print exponential notation in upper case?

(a) %f                                        (b) %E                                   (c) %g                         (d) %n

9. LISTS, TUPLES, SETS, AND DICTIONARY

1.What are the difference between List and Tuples?

10.PYTHON CLASSES AND OBJECTS

1.Explain about constructor and destructor with suitable example

11. DATABASE CONCEPTS

7. Which of the following is an RDBMS?

a) Dbase b) Foxpro             c) MS-Access                         d) MS-Excel

16.DATA VISUALIZATION USING PYPLOT: LINE CHART, PIE CHART AND BAR CHART

2.Identify the package manager for installing python packages, or modules.

Matplotlib b. PIP                         c. plt.show()                          d. python package

3.Which of the following feature is used to represent data and information graphically?

Data List b. Data Tuple             c. Classes and Objects          d. Data visualization

4._____ is a collection of resources assembled to create a single unified visual display.

Interface b. Dashboard           c. Objects                               d. Graphics

5.Which of the following modules should be imported to visualize data and information in python?

csv b. getopt                     c. mysql                                 d. matplotlib

6._____ is a type of chart which displays information as a series of data points connected by straight line segments.

csv                                     b. Pie chart                 c. Bar chart                            d. All the above

• “CS KNOWLEDGE OPENER” Computer Science for standard XII has been prepared in accordance with the New Textbook released by the Government of Tamil Nadu.
• Each chapter consists of an Important Terms / Definition and Answers to the Textbook Questions, which gives a summary of the concepts presented in the text in a simple and lucid language.
• It is hoped that this book in the present form will satisfy all types of learners and help them improve their learning potential, apart from mentally preparing them to face any type of questions in the examinations.
• This Study Material is prepared from Revised Edition Text Book 2023
• Our aim is to make all the students who study this study material to score high marks in theory.

This material was prepared by ILAKKIA M.Sc., B.Ed., M.Phil., Computer Instructor Grade-I, Govt. Hr. Sec. School,V.Pagandai, Villupuram 605 501. The link is given below

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