128MB DRAM Memory for Cisco Routers 851 857 871 876 877 878. Equivalent to MEM870-128D. (PARTS-QUICK BRAND)

hello and welcome to my channel networking with age in this session I will discuss about router components and their functions routers have internal as well as external components which are critical for its operation some of the major internal components of router includes CPU memory components power supply and config register external components includes management boots Lanvin interfaces USB ports eh weak slots and flash card slots let us have a brief overview of each major components starting with CPU one of the major internal components of the router what does he PU do it executes operating system instructions it also does the computing for example it executes algorithms such as drag stars shortest path first algorithm for OSPF routing protocol a lot of things are done by the CPU next component we are discussing about islam also known as random access memory RAM is a volatile memory