vague question from a beginner

Thanks will

this is the problem i am having, im a complete beginner to all of this and im unsure what i need. this is for all intents and purposes a new products. Regarding these I/O devices described in the link given, what would you reccomend the best aproach for me to basically understand how to apply them i.e. software instalations ect

still a bit vague sorry

thanks again

Steve