Computer Science checklist for paper 1 igcse
Understanding the Exam Structure
Key Topics to Revise
- Study binary digits (0 and 1) and their significance.
- Convert between binary and decimal systems.
- Learn hexadecimal system (base 16) and its digits.
- Practice converting between hexadecimal and decimal.
- Familiarize with binary and hexadecimal arithmetic.
- Understand how images are represented using pixels.
- Learn about color models (RGB, CMYK).
- Study sound representation (sample rate, bit depth).
- Explore text encoding (ASCII, Unicode).
- Review file formats for images, sound, and text.
- Understand what algorithms are and their purpose.
- Learn common algorithm types (sorting, searching).
- Practice creating flowcharts for simple algorithms.
- Study symbols used in flowcharts (start, process, decision).
- Analyze flowchart examples to improve comprehension.
- Define and differentiate between variables and constants.
- Study different data types (integer, float, string, boolean).
- Understand control structures (if statements, loops).
- Practice writing simple code snippets using these concepts.
- Familiarize with scope and lifetime of variables.
- Identify major hardware components (CPU, RAM, storage).
- Understand the role of software (system software vs application software).
- Learn about operating systems and their functions.
- Study how hardware and software interact.
- Familiarize with input and output devices.
- Learn basic networking concepts (LAN, WAN, internet).
- Study common protocols (TCP/IP, HTTP, FTP).
- Understand the importance of network security.
- Explore firewalls, encryption, and authentication.
- Familiarize with how data is transmitted over networks.
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