11th Computer science - Book Back Answers - Chapter 7 - English Medium Guides

Plus One / 11th Computer Science - Book Back Answers - Chapter 7 - English Medium

Tamil Nadu Board 11th Standard Computer science - Chapter 7: Book Back Answers and Solutions

    This post covers the book back answers and solutions for Chapter 7 – Computer science from the Tamil Nadu State Board 11th Standard Computer science textbook. These detailed answers have been carefully prepared by our expert teachers at KalviTips.com.

    We have explained each answer in a simple, easy-to-understand format, highlighting important points step by step under the relevant subtopics. Students are advised to read and memorize these subtopics thoroughly. Once you understand the main concepts, you’ll be able to connect other related points with real-life examples and confidently present them in your tests and exams.

    By going through this material, you’ll gain a strong understanding of Computer science Chapter 7 along with the corresponding book back questions and answers (PDF format).

Question Types Covered:

• 1 Mark Questions: Choose the correct answer, Fill in the blanks, Identify the correct statement, Match the following 
• 2 Mark Questions: Answer briefly 
• 3, 4, and 5 Mark Questions: Answer in detail

All answers are presented in a clear and student-friendly manner, focusing on key points to help you score full marks.

All the best, Class 11 students! Prepare well and aim for top scores. Thank you!

Chapter 7 : Composition And Decomposition

I. Choose the correct answer

1. Suppose u, v = 10, 5  before the assignment. What are the values of u and v after the sequence of assignments?
1 u :=v
2 v :=u
(a) u, v = 5,5
(b) u, v = 5,10
(c) u, v = 10,5
(d) u, v = 10,10
Answer Key:

 (a) u, v = 5,5

 

2. Which of the following properties is true after the assignment at line 3?

1   - - i, j = 0, 0

2   i, j:= i + 1,j-1

3. --?

(a) i + j > 0

(b) i + j < 0

(c) i + j = 0

(d) i = j

Answer Key:

(c) i + j = 0

 

3. If C1 is false and C2 is true, the compound statement

1 if Cl

2 S1

3 else

4 if C2

5 S2

6 else

7 S3

executes

(a) S1

(b) S2

(c) S3

(d) none

Answer Key:

 (b) S2

 

4. If C is false just before the loop, the control flows through

1 S1

2 while C

3 S2

4 S3

(a) S1; S3

(b) S1; S2; S3

(c) S1; S2; S2; S3

(d) S1; S2; S2; S2; S3

Answer Key:

(a) S1; S3

 

5. If C is true, S1 is executed in both the flowcharts, but S2 is executed in

(a) (1) only

(b) (2) only

(c) both (1) and (2)

(d) neither (1) nor (2)

Answer Key:

(a) (1) only 

 

6.How many times the loop is iterated?

    i:= 0

     while i   5

        i:=i+1

(a) 4

(b) 5

(c) 6

(d) 0

Answer Key:

 (b) 5

 

II. Very Short Answers

11th computer science

III. Short Answers

11th computer science

IV. Explain in detail

11th Computer science