Electronic Communication & Data Security is one of 10 topics in the Grade 11 Information Technology CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. What does electronic communication (e-communication) refer to?
Any exchange of information carried out using electronic devices and digital networks
Only communication sent through posted physical letters
Only communication that occurs inside a single fixed office building
Only communication between two computers connected by a physical cable
Answer: Any exchange of information carried out using electronic devices and digital networks — Electronic communication refers to any exchange of information carried out using electronic devices and digital networks, rather than traditional physical means.
Easy
2. What has mobile technology allowed people to do that was previously limited to a single fixed location?
Send and receive messages, make calls, and browse the internet from almost anywhere
Only make physical phone calls using a landline telephone
Only send letters through the postal service
Only access the internet while connected to a wired network cable
Answer: Send and receive messages, make calls, and browse the internet from almost anywhere — Mobile technology allows people to send/receive messages, make calls, browse the internet and use applications from almost anywhere, rather than being limited to a fixed location.
Medium
3. Name the underlying technology (such as Wi-Fi or cellular networks) that removes the need for a physical cable between communicating devices, enabling mobile e-communication.
Answer: wireless technology — Wireless technologies, such as Wi-Fi and cellular mobile networks, remove the need for a physical cable, which is precisely what enables mobility.
