Chapters
Chapter 2: Number Systems
Chapter 3: Computer Organization
Chapter 4: Theoretical Concepts of Operating System
Chapter 5: Working with Windows Operating System
Chapter 6: Specification and Abstraction
Chapter 7: Composition and Decomposition
Chapter 8: Iteration and recursion
Chapter 9: Introduction to C++
Chapter 10: Flow of Control
Chapter 11: Functions
Chapter 12: Arrays and Structures
Chapter 13: Introducton to Object Oriented Programming Techniques
Chapter 14: Classes and objects
Chapter 15: Polymorphism
Chapter 16: Inheritance
Chapter 17: Computer Ethics and Cyber Security
Chapter 18: Tamil Computing

Solutions for Chapter 2: Number Systems
Below listed, you can find solutions for Chapter 2 of Tamil Nadu Board of Secondary Education Tamil Nadu Board Samacheer Kalvi for Class 11th Computer Science Answers Guide.
Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Computer Science Answers Guide Chapter 2 Number Systems Evaluation - Section - A [Page 31]
Choose the correct answer
Which refers to the number of bits processed by a computer’s CPU?
Byte
Nibble
Word length
Bit
How many bytes does 1 KiloByte contain?
1000
8
4
1024
Expansion for ASCII.
American School Code for Information Interchange
American Standard Code for Information Interchange
All Standard Code for Information Interchange
American Society Code for Information Interchange
2^50 is referred as ______
Kilo
Tera
Peta
Zetta
How many characters can be handled in Binary Coded Decimal System?
64
255
256
128
For 11012 the equivalent Hexadecimal equivalent is?
F
E
D
B
What is the 1’s complement of 00100110?
00100110
11011001
11010001
00101001
Which amongst this is not an Octal number?
645
234
876
123
Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Computer Science Answers Guide Chapter 2 Number Systems Evaluation - Section - B [Page 31]
Very Short Answers
What is data?
Write the 1’s complement procedure.
Convert (46)10 into a Binary number.
We cannot find 1’s complement for (28)10. State reason.
List the encoding systems that represent characters in memory.
Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Computer Science Answers Guide Chapter 2 Number Systems Evaluation - Section - C [Page 31]
Short Answers
What is radix of a number system? Give example
Write a note on the binary number system.
Convert (150)10 into Binary, then convert that Binary number to Octal.
Write a short note on ISCII.
Add
– 2210 + 1510
Add
2010 + 2510
Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Computer Science Answers Guide Chapter 2 Number Systems Evaluation - Section - D [Page 31]
Explain in detail
Write the procedure to convert fractional Decimal to Binary.
Convert (98.46)10 to Binary.
Find 1’s Complement and 2’s Complement for the following Decimal number.
-98
Find 1’s Complement and 2’s Complement for the following Decimal number.
-135
Add 11010102 + 1011012
Subtract 11010112 – 1110102
Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Computer Science Answers Guide Chapter 2 Number Systems Boolean Algebra - Evaluation - Section - A [Page 40]
Choose the correct answer
Which is a basic electronic circuit which operates on one or more signals?
Boolean algebra
Gate
Fundamental gates
Derived gates
Which gate is called the logical inverter?
AND
OR
NOT
XNOR
A + A = ?
A
O
1
A
NOR is a combination of?
NOT(OR)
NOT(AND)
NOT(NOT)
NOT(NOR)
NAND is called a ______ Gate.
Fundamental Gate
Derived Gate
Logical Gate
Universal gate
Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Computer Science Answers Guide Chapter 2 Number Systems Boolean Algebra - Evaluation - Section - B [Page 40]
Very Short Answers
What is Boolean Algebra?
Write a short note on NAND Gate.
Draw the truth table for the XOR gate.
Write the associative laws?
What are derived gates?
Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Computer Science Answers Guide Chapter 2 Number Systems Boolean Algebra - Evaluation - Section - C [Page 40]
Short Answers
Write the truth table of fundamental gates.
Write a short note on XNOR gate.
Reason out why the NAND and NOR are called universal gates?
Give the truth table of the XOR gate.
Write the De Morgan’s law.
Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Computer Science Answers Guide Chapter 2 Number Systems Boolean Algebra - Evaluation - Section - D [Page 40]
Explain in detail
Explain the fundamental gates with an expression and truth table.
How AND and OR can be realized using NAND and NOR gate.
Explain the Derived gates with expression and truth table.
Solutions for Chapter 2: Number Systems

Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Computer Science Answers Guide chapter 2 - Number Systems
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Class 11th Computer Science Answers Guide Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Tamil Nadu Board Samacheer Kalvi solutions for Mathematics Class 11th Computer Science Answers Guide Tamil Nadu Board of Secondary Education 2 (Number Systems) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Tamil Nadu Board Samacheer Kalvi textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Class 11th Computer Science Answers Guide chapter 2 Number Systems are Introduction to Number Systems, Data Representations, Different Types of Number Systems, Number System Conversions, Binary Representation for Signed Numbers, Binary Arithmetic, Representing Characters in Memory, Introduction to Boolean Algebra, Basic Logic Gates.
Using Tamil Nadu Board Samacheer Kalvi Class 11th Computer Science Answers Guide solutions Number Systems exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Tamil Nadu Board Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Class 11th Computer Science Answers Guide students prefer Tamil Nadu Board Samacheer Kalvi Textbook Solutions to score more in exams.
Get the free view of Chapter 2, Number Systems Class 11th Computer Science Answers Guide additional questions for Mathematics Class 11th Computer Science Answers Guide Tamil Nadu Board of Secondary Education, and you can use Shaalaa.com to keep it handy for your exam preparation.