How do PCS work?
HOW TO USE PC'S
Inputs And Outputs
Input is something where everything that goes into a system. The most common inputs in industry are physical inputs.
Output is something where the term denoting either an exit or changes which exit a system which activate/modify a process.
eg of input and output and even both :
SSD AND HARD DRIVE
An SSD (solid-state drive or solid-state disk) is a non-volatile storage device that stores persistent data on solid-state flash memory. SSDs actually aren't hard drives at all in the traditional sense of the term, as there are no moving parts involved.
With all our photos, apps and games, if there's one thing we never seem to have enough of on our smartphones, it's space! However, a lot of devices get around this issue by allowing the use of memory cards, which these days you can get in a range of sizes.
For mobile phones and tablets, the type of memory card you'll need is a microSD. These types of cards are barely bigger than your fingernail, but can store enormous amounts of data.
HOW TO TAKE AN IPAD APART
PM gadget expert Anthony Verducci loves to mod Apple gadgets (check out his underwater iPod Touch video boombox). But before he could make any original hacks to the new iPad, he had to take the machine apart. Here's the Popular Mechanics iPad tear-down. Whenever some new electronic device comes out, I take it apart. It doesn't matter if it has been done by others, I need to do it myself. Don't try this at home—unless you're not opposed to having an iPad that's partially held together by duct tape.