Lesson Notes By Weeks and Term v5 - Grade 11
Systems technologies: advanced hardware, software and troubleshooting – Week 3 focus
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Systems technologies: advanced hardware, software and troubleshooting – Week 3 focus
Download the Lessonotes Mobile South Africa app for faster lesson access on Android and iPhone.
Subject: Computer Applications Technology
Class: Grade 11
Term: 1st Term
Week: 3
Theme: General lesson support
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This week, we delve deeper into system technologies, specifically focusing on advanced hardware components, software management strategies, and effective troubleshooting techniques. Understanding these elements is crucial for any aspiring IT professional or computer user in South Africa. In a world increasingly reliant on technology, from accessing online educational resources to participating in the digital economy, knowing how to maintain and troubleshoot computer systems is an invaluable skill.
2.1 Advanced Hardware Components 2.1.1 Solid-State Drives (SSDs): SSDs are a modern alternative to traditional Hard Disk Drives (HDDs). Unlike HDDs, which store data on spinning platters, SSDs use flash memory to store data electronically. This results in significantly faster boot times, application loading speeds, and overall system responsiveness.
Why SSDs are faster: No moving parts mean no seek time (time to find the data on the platter) or rotational latency (time for the correct sector to rotate under the read/write head).
Types of SSDs: SATA SSDs: Use the same interface as traditional HDDs, offering a relatively easy upgrade.
NVMe SSDs: Connect directly to the PCIe bus, providing even faster speeds than SATA SSDs. These are commonly used for high-performance tasks. M.2 Form Factor: Refers to the physical form factor of the SSD, typically small and compact. M.2 SSDs can be either SATA or NVMe.
Considerations when choosing an SSD: Capacity, speed (read/write speeds), and price.