Final answer:
The issue of cursor jumps during typing is most likely caused by accidental contact with the laptop's touchpad. Adjusting the touchpad sensitivity or disabling it during typing may solve the problem.
Step-by-step explanation:
When a user experiences cursor jumps to random screen locations while typing on a laptop computer, the most likely cause is an unintentional touch or interference with the touchpad. This can happen if the user's palms or other parts of the hand accidentally brush against the touchpad while typing, leading to the cursor moving unexpectedly. To address this issue, the user may consider adjusting the touchpad sensitivity settings or temporarily disabling the touchpad while typing.