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Class 12

Computer Science

51 lessons in 13 chapters, explained in plain words.

Exception Handling in Python

  1. Errors and exceptions
  2. Raising exceptions
  3. Catching exceptions
  4. else and finally

File Handling in Python

  1. Files and their types
  2. Opening and closing files
  3. Reading, writing and offsets
  4. Text file programs and pickle

Stack

  1. What a stack is
  2. Stack operations in Python
  3. Infix, prefix and postfix
  4. Evaluating postfix

Queue

  1. What a queue is
  2. Queue operations in Python
  3. Deque
  4. Deque in Python

Sorting

  1. Sorting and bubble sort
  2. Selection sort
  3. Insertion sort
  4. Time complexity

Searching

  1. Linear search
  2. Binary search
  3. Hashing

Understanding Data

  1. What data is
  2. Collecting, storing and processing data
  3. Measures of central tendency
  4. Measures of variability

Database Concepts

  1. From registers to files
  2. Database management systems
  3. The relational model
  4. Keys

Structured Query Language (SQL)

  1. SQL, data types and constraints
  2. Defining databases
  3. Inserting and selecting data
  4. Filtering, sorting, NULL, changing data
  5. SQL functions and GROUP BY
  6. Set operations and joins

Computer Networks

  1. Networks and their types
  2. Network devices
  3. Network topologies
  4. Addresses, the web and DNS

Data Communication

  1. Data communication and capacity
  2. Modes and switching
  3. Transmission media
  4. Mobile generations and protocols

Security Aspects

  1. Malware
  2. Fighting malware
  3. Spam, HTTPS, firewalls, cookies
  4. Hackers and network attacks

Project Based Learning

  1. Doing a project
  2. Teamwork and project ideas