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.
Â· just now. 1  no, but iPhone is the first phone that has multi touch not like other phone you can just click but iPhone well um you know. Kevin Â· 4 years ago. 2  no, i had a palm treo before it came out and it had a touch screen. ryan d Â· 8 years ago.