11th Computer science - Book Back Answers - Chapter 12 - English Medium Guides

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Tamil Nadu Board 11th Standard Computer science - Chapter 12: Book Back Answers and Solutions

    This post covers the book back answers and solutions for Chapter 12 – 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 12 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 12 :Arrays and Structures

I. Choose the correct answer

1.Which of the following is the collection of variables of the same type that can referenced by a common name?
a) int
b) float
c) Array
d) class
Answer Key:
c) Array

 
2. int age[]={6,90,20,18,2}; How many elements are there in this array?
a) 2
b) 5
c) 6
d) 4
Answer Key:

 b) 5

3. cin>>n[3]; To which element does this statement accept the value?
a) 2
b) 3
c) 4
d) 5
Answer Key:

 c) 4

4. By default, a string ends with which character?
a) \0
b) \t
c) \n
d) \b
Answer Key:

 a) \0

5. Structure definition is terminated by
(a) :
(b) }
(c) ;
(d) ::
Answer Key:

 (c) ;

6. What will happen when the structure is declared?
(a) it will not allocate any memory
(b) it will allocate the memory
(c) it will be declared and initialized
(d) it will be only declared
Answer Key:

(d) it will be only declared

7. A structure declaration is given below.
struct Time
{
int hours;
int minutes;
int seconds;
}t;
Using above declaration which of the following refers to seconds.
(a) Time.seconds
(b) Time::seconds.
(c)seconds
(d) t. seconds.
Answer Key:

(d) t. seconds.

8.Which of the following is a properly defined structure?
(a) struct (int num;)
(b) struct sum {int num;)
(c) struct sum int sum;
(d) struct sum {int num;};
Answer Key:

 (d) struct sum {int num;};

 

II. Very Short Answers

11th computer science

III. Short Answers

11th computer science

IV. Explain in detail

11th Computer science