What are some characteristic features of the Double Data Rate 2 Synchronous Dynamic Random-Access Memory (DDR2 SDRAM)

Dereck works for long hours on his computer.  he frequently experiences physical strain by the end of the day because he does not follow an important rule of ergonomics with respect to the use of keyboards.  which of the following actions of dereck could lead to physical strain? a.  placing the keyboard exactly in front of him while typingb.  keeping hands and wrists straight while typingc.  using wrist pads throughout the dayd.  pounding at the keys on the keyboard while typinge.  resting his hands on the keyboard when he is not typing

One difference of input method between most desktop computers and most tablets is the memory the touch screen the speech recognition

This might be a bit off-topic, but i'm having trouble with a certain arg made by game theory. if there are any theorists out there that wanna , it would be appreciated!