11th Computer Apllications - Book Back Answers - Chapter 2

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Tamil Nadu Board 11th Standard Computer Applications - Chapter 2: Book Back Answers and Solutions

This post covers the book back answers and solutions for Chapter 2 – Computer Applications from the Tamil Nadu State Board 11th Standard Computer Applications 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 Applications Chapter 2 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 2 : Number Systems

I. Choose the correct answer

1. Which refers to the number of bits processed by a computer's CPU?
A) Byte
B) Nibble
C) Word length
D) Bit
Answer Key:
C) Word length

2. How many bytes does 1 Kilo Byte contain?
A) 1000
B) 8
C) 4
D) 1024
Answer Key:
D) 1024

3. Expansion for ASCII
A) American School Code for Information Interchange
B) American Standard Code for Information Interchange
C) All Standard Code for Information Interchange
D) American Society Code for Information Interchange
Answer Key:
B) American Standard Code for Information Interchange

4. 2^50 is referred as
A) Kilo
B) Tera
C) Peta
D) Zetta
Answer Key:
C) Peta

5.How many Characters can be handled in Binary Coded Decimal System?
A) 64
B) 255
C) 256
D) 128
Answer Key:
A) 64

6. For 1101₂ the equivalent Hexadecimal is?
A) F
B) E
C) D
D) B
Answer Key:
C) D

7. What is the 1's complement of 00100110?
A) 00100110
B) 11011001
C) 11010001
D) 00101001
Answer Key:
B) 11011001

8. Which amongst this is not an Octal number?
A) 645
B) 234
C) 876
D) 123
Answer Key:
C) 876

II. Short Answers

11th computer Applications

III. Explain in Brief Answers

11th computer applications

IV. Explain in detail

11th Computer applications