Computer Science · Theme A: Concepts of computer science

A1.2 — Data representation and computer logic

Computer Science · SL / HL · syllabus-mapped notes

1. CS_A1.2.1

   Representing data: binary and hex

   Binary and hexadecimal integers, and converting between them and decimal.

2. CS_A1.2.2

   Storing data in binary

   How integers, text, images, audio and video are all encoded as bits.

3. CS_A1.2.3

   Purpose and use of logic gates

   The seven Boolean operators and the gates that implement them.

4. CS_A1.2.4

   Constructing and analysing truth tables

   Truth tables, Boolean expressions, Karnaugh maps and simplification.

5. CS_A1.2.5

   Constructing logic diagrams

   Wiring standard gate symbols into circuits and simplifying them.