Computer Science Class 11: Computer Science in class 11 is based on programming concepts; computer science helps to understand the programming concept easily. The computer science covers the topic like computer systems and organization, computational thinking and programming—1, and society, law, and ethics.
Computer Science Class 11
Computer Science Class 11 Notes
Computer Systems and Organisation
Computational Thinking and Programming – 1
- Introduction to problem solving
- Getting Started with Python
- Conditional statement and Iterative statements in Python
- Function in Python
- String in Python
- Lists in Python
- Tuples in Python
- Dictionary in Python
Society, Law and Ethics
Computer Science Class 11 MCQ
Computer Systems and Organisation
Computational Thinking and Programming – 1
- Introduction to problem solving
- Getting Started with Python
- Conditional statement and Iterative statements in Python
- Function in Python
- String in Python
- Lists in Python
- Tuples in Python
- Dictionary in Python
Society, Law and Ethics
Computer Science Class 11 NCERT Solutions
Computer Systems and Organisation
Computational Thinking and Programming – 1
- Introduction to problem solving
- Getting Started with Python
- Conditional statement and Iterative statements in Python
- Function in Python
- String in Python
- Lists in Python
- Tuples and Dictionary in Python
Society, Law and Ethics
Computer Science in class 11 is based on programming concepts; computer science helps to understand the programming concept easily. The computer science covers the topic like computer systems and organization, computational thinking and programming—1, and society, law, and ethics. In the first topic, computer systems and organization, students will understand the concept of computer organization, like about computer systems, about computer hardware and software, different input devices, output devices, about the central processing unit, memory unit, unit measurement like bit, byte, KB, MB, GB, TB, PB, etc.
Computer organization also helps to understand the type of software, what an operating system is, programming tools and language translators, application software, the function of the operating system, the OS user interface, boolean logic like NOT, AND, OR, NAND, NOR, XOR, truth tables, and De Morgan’s laws, logic circuits, etc. You will also understand the concept of number systems like binary numbers, octal numbers, decimal numbers, hexadecimal numbers, and conversion between number systems, encoding schemes ASCII, ISCII, and Unicode (UTF8 and UTF32).
In the second chapter, which is computational Thinking and programming—1 covers problem-solving-related topics like steps for problem-solving (analyzing the problem, developing an algorithm, coding, testing, and debugging). Students can also learn about the representation of algorithms using flowcharts and pseudocode, decomposition, etc. Unit 2 also contains basic Python programming concepts like the introduction of Python, features of Python, how to write the first program in Python, different types of mode line scripts and interactive mode, the Python character set, tokens in Python, identifiers, literals, punctuators, operators, variables, the concept of L-value and R-value, and comments.
Students will also learn about data types like number data types like integers, floating and complex numbers, booleans, sequences (strings, lists, tuples), non-mapping (dictionaries), and mutable and immutable data types. Operators, arithmetic operators, relational operators, logical operators, assignment operators, augmented assignment operators, identity operators (is, is not), membership operators, etc. Students will also learn about the different types of conversion, input and output precedence of operators, expression, evaluation of expression, type conversion, accepting data as input from the console, displaying output, etc.
In Unit 2, students will also learn about types of errors like syntax errors, logical errors, and runtime errors; the flow of control introduction; sequential flow; the use of indentation; conditional and iterative flow; control statements like if, if else, and if elif else; flow charts; and the simple programming concept of if statements. Students will also learn about looping statements, for loops, while loops, break and continue statements, flowcharts, nested looping statements, generating patterns, finding the factorial number, etc.
In Unit 2 students will understand the concept of string operation, traversing a string using loops, built-in functions like title(), upper(), len(), count(), capitalize(), lower(), find(), startswith(), index(), endswith(), islower(), isalnum(), isdigit(), isalpha(), isspace(), istrip(), rstrip(), join(), replace(), split(), strip(), rstrip(), etc. Students will also learn about an introduction to the list, list operations, traversing a list using loops, built-in functions like insert(), len(), count(), pop(), sort(), list(), append(), remove(), extend(), max(), min(), sorted(), sum(), etc. Students can also learn about how to find the maximum, minimum, and mean of numeric values stored in the list. Students will also learn about linear search on a list of numbers and counting the frequency of elements in a list.
In Unit 2, students will learn about tuples and their operations, indexing concepts, repetition, membership, and slicing, built-in functions like max(), min(), tuple(), count(), len(), sum(), sorted(), etc. With the help of tuples, students can find the maximum, minimum, and mean values, etc. Students will also learn about dictionaries, dictionary using keys, mutability of a dictionary, traversing a dictionary, built-in functions copy(), pop(), fromkeys(), len(), keys(), dict(), values(), items(), get(), del, clear(), update(), setdefault(), max(), min(), sorted(), etc.
Students will also learn to count the number of times a character appears in a given string using a dictionary, etc. Python modules, importing modules in Python, math module functions like floor(), sqrt(), pow(), sin(), tan(), fabs(), sin(), randint(), randrange(), mean(), median(), random(), and mode().
In Unit 3 society, law and ethics, students will also learn about digital footprints, society and netizens, net etiquette, social media etiquette, communication etiquette, etc. data protection, intellectual property rights, open-source software and licensing, violation of IPR, cybercrime definition, phishing and fraud emails, hacking cyber trolls, eavesdropping, cyberbullying, etc.
Students will also understand the concept of how to protect your computer from malware, viruses, trojans, and adware; how to use safe browsers; and identity protection. Students will also learn about e-waste management, how to dispose of electronic gadgets, the information technology act, and gender and disability issues while teaching and using computers.
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