Mini USB predates the micro USB and both have five pins. However, mini USB has a life cycle of 5,000 connects and disconnects, while, micro USB has a life cycle of at least 10,000 connects and disconnects....

A cache transparently stores data so that future requests for that data can be served faster. A buffer, on the other hand, temporarily stores data while the data is the process of moving from one place to...

RAM is volatile and used for both read and write. ROM is non-volatile and only used for reading. Memory on the RAM is erased when the computer is switched off.

Hardware is the physical aspect of the computer, the thing we can touch, such as monitor, hard drive, etc. Software is the non-physical aspect which includes the operating system, applications, programs, etc.

LCDs work using liquid crystals placed between two polarizing filters and two transparent electrodes. DLP uses a series of mirrors placed on a chip, which work as pixels. LCDs are skinnier, consume more power...