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Informatik.uz
General education

Informatics — Grade 8

Spreadsheets, formulas and charts, databases, computer networks, HTML/CSS and the binary number system.

  • 11 topics
  • 4 chapters
  • 11 min
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Topics

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4 topics

  1. 5

    Databases: Tables and Records

    A database is an organized collection of related data. We learn about tables, fields, records and key fields, as well as sorting and filtering.

    Chapter 2. Databases1 min

  2. 6

    Searching and Queries in a Database

    We learn how to write a query to find the records we need in a database, using conditions and sorting.

    Chapter 2. Databases1 min

  3. 7

    Primary Keys and Relationships Between Tables

    We learn about the primary key that identifies a record uniquely and how linking tables helps avoid repeating data.

    Chapter 2. Databases1 min

  4. 11

    The Binary Number System

    We study the binary number system used by computers and learn to convert numbers from decimal to binary and back.

    Chapter 4. Number Systems1 min