Module 11: Computer Studies
Data representation and computer networks.
Use this workbook to practice core KCSE communication skills and record evidence of progress.
Module navigation
Move module to module
Use the navigation buttons to move through the workbook in sequence.
SECTION: COMPUTER STUDIES
MODULE: 11
Part A: Units
1. Data representation (2)
a. Number systems
b. Binary system
c. Conversion of number systems
d. Data coding
2. Computer networks
a. Types of networks
b. Network components
c. Uses of networks
d. Internet services
Part B: Project
Practice number systems and map a simple network.
Project Title: Number Systems and Network Map
Objective: Apply data representation and network concepts to real examples.
Project Instructions:
- 1. Convert two decimal numbers to binary and back.
- 2. Explain one example of data coding (ASCII or simple codes).
- 3. Draw a simple network diagram (home or school).
- 4. Label components and list two internet services used.
- 5. Consult your coach where necessary.
Evidence to Submit:
- • Number conversion steps.
- • Data coding example.
- • Network diagram and notes.
Submission
Part C: Training Others
Teach a peer about binary and networks.
Guidance:
- • Demonstrate a simple decimal-to-binary conversion.
- • Explain types of networks with examples.
- • Identify basic network components.
Reflection:
- • What did the learner understand well?
- • What needed more explanation?
- • What support do you need from your coach?
Submission
Part D: Assessment
Competency Levels:
1 = Expectations not met
2 = Partially met
3 = Satisfactorily met
4 = Excellently met
Self-assessment:
- • Number systems and binary:
- • Data coding concepts:
- • Network types and components:
Coach assessment:
- • Number systems and binary:
- • Data coding concepts:
- • Network types and components:
Submission
Ready for the next module?
Keep your learning rhythm steady and record your reflections as you progress.