ICT - 10 CSS Computer Storage Devices

By Jerome Suelto

​Objective:

By the end of the lesson, students will be able to:

• Identify and classify different types of computer storage devices.

• Understand the function and purpose of storage devices.

• Differentiate between primary and secondary storage.

• Give examples of storage devices and their capacities.

​Where do you save your pictures or videos in your phone or computer?

​ What are Storage Devices?

Devices used to store, retrieve, and manage data on a computer.

B. Two Main Categories

Primary Storage (Main Memory)

• Also called Internal Storage

• Volatile – loses data when power is off

• Examples:

  • RAM (Random Access Memory)

  • ROM (Read-Only Memory)

2. Secondary Storage (External/Long-term Memory)

​Non-volatile – keeps data even when power is off Stores files, programs, documents, etc.

Examples: HDD (Hard Disk Drive)
SSD (Solid State Drive)
USB Flash Drive
CD/DVD Memory
Card Cloud Storage (e.g., Google Drive)