2014年11月购买，使用不多，很新
System Model Inspiron 5548
System Type x64-based PC
System SKU Inspiron 5548
Processor Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz, 2201 Mhz, 2 Core(s), 4 Logical Processor(s)
BIOS Version/Date Dell Inc. A02, 4/12/2014
Installed Physical Memory (RAM) 8.00 GB
Total Physical Memory 7.92 GB
Available Physical Memory 4.70 GB
Total Virtual Memory 9.17 GB
touch support with 10 points touch
resolution 1366x768x60 hertz
a keyboard cap pull out （有一个键盘帽脱落了，如图）
