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CBSE Class 12 Informatics Practices

Class 12 · CBSEComputer Science518 cards

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Flashcards for CBSE Class 12 Informatics Practices (Subject Code 065), split into the curriculum's four units and then by topic in their order, following the curriculum for exams from 2027.

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What is inside (35 subdecks)

  • Unit 1: Data handling using Pandas and data visualisation180 cards
    • 1.1 The pandas, NumPy and Matplotlib libraries15 cards
    • 1.2 Creating a pandas Series18 cards
    • 1.3 Series attributes, arithmetic, head and tail16 cards
    • 1.4 Series indexing and slicing17 cards
    • 1.5 Creating a pandas DataFrame13 cards
    • 1.6 DataFrame attributes and display15 cards
    • 1.7 DataFrame rows and columns: add, select, delete, rename25 cards
    • 1.8 DataFrame indexing: loc, iloc and Boolean indexing14 cards
    • 1.9 Importing and exporting CSV files16 cards
    • 1.10 Matplotlib plot types19 cards
    • 1.11 Customising a Matplotlib plot12 cards
  • Unit 2: Database query using SQL148 cards
    • 2.1 Revision: SELECT, WHERE and its operators19 cards
    • 2.2 Keys and SQL language categories35 cards
    • 2.3 SQL maths functions11 cards
    • 2.4 SQL text functions26 cards
    • 2.5 SQL date functions15 cards
    • 2.6 SQL aggregate functions14 cards
    • 2.7 GROUP BY, HAVING and ORDER BY16 cards
    • 2.8 Joining two tables12 cards
  • Unit 3: Introduction to computer networks106 cards
    • 3.1 Networks and their types16 cards
    • 3.2 Network devices21 cards
    • 3.3 Network topologies18 cards
    • 3.4 The internet and its applications17 cards
    • 3.5 Websites and web pages18 cards
    • 3.6 Web browsers16 cards
  • Unit 4: Societal impacts84 cards
    • 4.1 Digital footprint and netiquette14 cards
    • 4.2 Data protection and intellectual property rights19 cards
    • 4.3 Licensing, copyright and free and open source software13 cards
    • 4.4 Cybercrime, cyber laws and the IT Act19 cards
    • 4.5 E-waste10 cards
    • 4.6 Health concerns from technology use9 cards

Some of its cards

  • The set of all possible values that a column (attribute) is allowed to hold
    Domain (in a relational database)
  • A worldwide network connecting millions of smaller networks together
    Internet
  • What does the SQL function NOW() return?
    The current date and time
  • What does the SQL clause SELECT do?
    Chooses which columns appear in the query's results
  • A crime that is committed using a computer or a network, or that targets one
    Cybercrime
  • What does `df.loc['S2']` do?
    Displays the row of `df` whose label is 'S2'
  • Software whose source code is publicly available to use, study, change and share
    Free and open source software (FOSS)
  • What does the SQL clause GROUP BY do?
    Groups rows that share the same value in one or more columns, so an aggregate function can be applied to each group
  • Application software used to access and display web pages
    Web browser
  • The practice of safeguarding data from unauthorised access, misuse, loss or damage
    Data protection

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