Chapter 1
Accounting and Financing
Course: Business Education Content Knowledge 5101
Subject: Business Education Content Knowledge5101
Chapter: Information Technology
1. Understanding Hardware, Devices, and Components
Types of hardware and components:
- Central Processing Unit (CPU): The brain of the computer that performs instructions.
- Random Access Memory (RAM): Temporary storage that supports multitasking.
- Hard Disk Drives (HDDs) and Solid-State Drives (SSDs): Long-term data storage; SSDs are faster and more reliable.
- Motherboard: The main circuit board connecting all components.
- Input/Output Devices: Include keyboards, mice, monitors, printers, and scanners.
Maintenance strategies:
- Regular cleaning with anti-static cloths and compressed air to prevent overheating.
- Updating drivers and BIOS to ensure compatibility and performance.
- Monitoring component temperatures with tools like HWMonitor or SpeedFan.
- Power supply checks to prevent surges or failure.
- Ensuring cable management for airflow and safety.
Repair strategies:
- Replacing failing parts such as RAM modules, power supplies, or GPUs.
- Using diagnostic tools like POST beep codes or LED indicators to troubleshoot hardware issues.
- Swapping hard drives or upgrading to SSDs to improve performance.