Explanation
### Why this is right
The key distinction is what each term refers to: active working space, the physical part that supplies that space, or long-term data retention. Random Access Memory (RAM) holds information the processor is using now, a memory module is the board that carries memory chips, and a storage device keeps files for later use.
### The concept
RAM is the computer’s temporary workspace: the processor can quickly read data and instructions from it while programs run. It is temporary because its contents are generally lost when the computer is switched off. A memory module is a removable circuit board that plugs into a slot on the motherboard, the main circuit board that connects computer components. The module carries memory chips, which store the active data. A storage device, such as a solid-state drive or hard disk, keeps files and programs even when power is off, so it is different from RAM.
### The pairs
| Item | Matches | Why |
|---|---|---|
| Memory (RAM) | C. System workspace holding data and instructions actively needed by the processor | RAM gives the processor quick access to the information it is currently using. |
| Memory module | A. Physical circuit board containing memory chips installed into a motherboard slot | The module is the physical board that carries memory chips and connects them to the computer. |
| Storage device | B. Hardware designed to retain data and files persistently for long-term use | A storage device keeps files for later, including when the computer is turned off. |
### Terms
- **RAM**: Random Access Memory. Temporary working memory that holds data and instructions in active use.
- **Processor**: The computer component that carries out instructions and processes data.
- **Motherboard**: The main circuit board that connects a computer’s components.
- **Memory module**: A circuit board carrying memory chips that plugs into a motherboard.
- **Storage device**: Hardware that saves data and files for later use.
### Remember
RAM is the computer’s active workspace, a memory module is the board that provides RAM, and a storage device keeps data for later.
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