A friend, Tangela, is looking for ways to improve the performance of her Windows 10 Lenovo laptop and has turned to you for advice. She has cleaned up the hard drive and is now considering the possibility of upgrading memory. In a phone conversation, Tangela reported the following:

1. When she opened the System Information window, she saw 8.0 GB as Installed Physical Memory.

2. When she looked on the bottom of the laptop, she saw the model IdeaPad 310-15ABR.

3. When she opened a cavity cover on the bottom of the case, she discovered one SO-DIMM slot filled with a SO-DIMM that has 4GB PC4-2400T imprinted on it.

Tangela is now puzzled why Windows reports 8 GB of memory, but the one SO-DIMM contains only 4 GB. With this information in hand, research the possible upgrade and answer the following:

1. Explain why Windows reports 8 GB of memory and the one SO-DIMM contains 4 GB of memory.

2. Can the laptop receive a memory upgrade? Save or print a webpage showing a SO-DIMM that can fit the system. How much will the upgrade cost?