# Networks and communication notes

> CAPS-aligned study notes for Networks and communication in Grade 11 Information Technology. Browse the sections below for explanations, worked examples and exam preparation.

- Page: https://www.hlayiso.com/grade-11/information-technology/notes/networks-and-communication

Breadcrumbs: [Home](https://www.hlayiso.com/) › [Grade 11](https://www.hlayiso.com/grade-11) › [Information Technology](https://www.hlayiso.com/grade-11/information-technology) › [Notes](https://www.hlayiso.com/grade-11/information-technology/notes) › [Networks and communication](https://www.hlayiso.com/grade-11/information-technology/notes/networks-and-communication)

## Sections in Networks and communication

Each entry shows the free preview (about 200 characters). Create a free Hlayiso account to read the full notes, practise every question and track your progress.

- [Physical aspects of a network and data transmission](https://www.hlayiso.com/grade-11/information-technology/notes/networks-and-communication/physical-aspects-of-a-network-and-data-transmission) — Physical Aspects of a Network and Data Transmission A computer network is a group of two or more computing devices connected by a communication medium, allowing them to exchange data electronically.…
- [Network innovation (VoIP, VPN, internet vs intranet)](https://www.hlayiso.com/grade-11/information-technology/notes/networks-and-communication/network-innovation-voip-vpn-internet-vs-intranet) — Network Innovation: VoIP, VPN, Internet vs Intranet As network technology has advanced, a range of innovative services have been developed to improve communication, security, and collaboration. In…
- [Location-based computing](https://www.hlayiso.com/grade-11/information-technology/notes/networks-and-communication/location-based-computing) — Location-Based Computing Location-based computing refers to any technology or service that uses the geographical position of a user's device to provide relevant information, services, or…

## Other Information Technology topics

- [Systems technologies](https://www.hlayiso.com/grade-11/information-technology/notes/systems-technologies)
- [Operating systems and processing](https://www.hlayiso.com/grade-11/information-technology/notes/operating-systems-and-processing)
- [Arrays and algorithms](https://www.hlayiso.com/grade-11/information-technology/notes/arrays-and-algorithms)
- [String manipulation and date/time](https://www.hlayiso.com/grade-11/information-technology/notes/string-manipulation-and-datetime)
- [Electronic communication](https://www.hlayiso.com/grade-11/information-technology/notes/electronic-communication)
- [Text files](https://www.hlayiso.com/grade-11/information-technology/notes/text-files)
- [Software engineering principles](https://www.hlayiso.com/grade-11/information-technology/notes/software-engineering-principles)
- [Data and information management](https://www.hlayiso.com/grade-11/information-technology/notes/data-and-information-management)
- [User-defined methods](https://www.hlayiso.com/grade-11/information-technology/notes/user-defined-methods)
- [Database programming](https://www.hlayiso.com/grade-11/information-technology/notes/database-programming)
- [Internet and WWW](https://www.hlayiso.com/grade-11/information-technology/notes/internet-and-www)
- [Social implications](https://www.hlayiso.com/grade-11/information-technology/notes/social-implications)

## Frequently asked questions

### What is covered in Networks and communication for Grade 11 Information Technology?

The Networks and communication section covers all key concepts from the Grade 11 Information Technology CAPS curriculum, including detailed explanations, worked examples, and exam preparation tips.

### Are the Networks and communication notes free?

Yes. Each section has a free preview, and a free Hlayiso account lets you read the full notes.

### How do these notes help with exam preparation?

Our Networks and communication notes are CAPS-aligned and include worked examples, common mistakes to avoid, and exam tips — everything you need to prepare for your Grade 11 Information Technology exams.

### Are there quizzes for Networks and communication?

Yes. Hlayiso has quizzes for Networks and communication in Grade 11 Information Technology. Test your understanding after reading the notes.

---

Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. When citing, link the page URL above, not a PDF or /api/ URL.