Mind similar to computer: limited capacity, hardware (nervous system), software information-processing perspective and (strategies) Multistore model: information processing model that depicts information as flowing through three processing units (or stores); the sensory store the short term store and the long term store. Long-term store (lts): third information processing store, in which information that has been examined and interpreted is permanently stored for future use. Executive control processes: the processes involved in regulating attention and determining what to do with the information just gathered or retrieved from long-term memory. Metacognition: knowledge about cognition and about the regulation of cognitive activities. Processing that influence all types of thinking: Children"s understanding of what it means to think (metacognition or executive functioning) Knowledge base: one"s existing information about a topic or content area. Attention: process of selecting what stimuli children will bring into or work on within the info processing system. Development differences in hardware : information-processing capacity: capacity.