ICT - 10 CSS Computer Storage Devices

Computer Storage Devices

By Jerome Suelto

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?

Multiple Select

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

• CPU

• RAM

• HDD

• SSD

​ 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)

Multiple Choice

Which of the following is a type of primary storage?

• A. Hard Disk Drive
  

• B. RAM
  

• C. USB Flash Drive
  

• D. SSD

Multiple Choice

What is the main difference between primary and secondary storage?

• A. Primary storage is slower than secondary
  

• B. Secondary storage is always more expensive

• C. Primary storage is temporary and volatile
  

• D. Secondary storage loses data when power is off

Multiple Choice

Which device has no moving parts and offers fast data access?

• A. HDD
  

• B. CD/DVD
  

• C. SSD
  

• D. ROM

Multiple Choice

A student wants to store and carry a project file to school. Which is the best option?

• A. RAM
  

• 
  B. USB Flash Drive

• 
  C. DVD

• D. ROM

Multiple Choice

What kind of storage is Cloud Storage considered?

• A. Temporary storage
  

• B. Offline storage
  

• C. Internal storage
  

• D. Secondary storage

Multiple Choice

Which device stores the firmware and is not typically changed or erased?

• A. RAM
  

• B. ROM
  

• C. SSD
  

• D. USB

Multiple Choice

What is the typical storage capacity of a CD?

• A. 2 TB
  

• B. 128 GB
  

• C. 700 MB
  

• D. 4 GB

Multiple Choice

Which device is volatile, meaning it loses data when the power is turned off?

• A. SSD
  

• B. RAM
  

• C. ROM
  

• D. Flash Drive

Multiple Choice

What is a disadvantage of using a HDD compared to an SSD?

• 
  A. Slower due to moving parts

• B. Too fast
  

• 
  C. Too expensive

• D. Cannot be used for storage

Multiple Choice

A storage device built into modern smartphones and laptops, known for speed and durability, is:

• A. RAM
  

• B. HDD
  

• C. SSD
  

• D. DVD