Answer:SENSORY STORE, FILTER, DETECTOR, STM.
Explanation:Donald Broadbent in 1958 stated one of the earliest theory of attention,he stated that physical features of messages are used to select one message for further processing and that all others are lost.This differs from inattentional blindness, which is when you focus hard on something and fail to notice unexpected things entering your visual area. He believes that
Information from all of the stimuli presented at any given time enters a sensory buffer with unlimited capacity.
Answer:
hotspots.
Explanation:
Hotspots is a small geographical location with at least one access point in an outdoor/indoor setting, that provide people with maximum wireless coverage within that area and its mostly uses a wireless local-area network (WLAN) using a router to connect to an Internet service provider.
An optical instrument used for viewing small objects is a microscope
I would say a calculator.