This hazard is present only in pipelines that write in more than one pipe stage or allow an instruction to proceed even when a previous instruction is stalled. The DLX integer pipeline writes a register only in WB and avoids this class of hazards.
The first touchscreen phone was launched in 1992 by IBM.The IBM Simon is also referred as the first smartphone.Simon is the first smartphone to be incorporated with the features of a PDA.
In the long history of Apple MacBooks, there is finally a touchscreen. That fact may or may not sit well with the ghost of Steve Jobs, Apple's founder and late CEO who once said itâs âergonomically terribleâ to touch a laptop screen. The redesigned 13-inch MacBook Pro is, of course, not a traditional touchscreen device.