This allows humans to retain useful information in the working memory that eases their interaction with computers (Hollands et al., 2002). Therefore, to increase working memory capacity, it should be indexed as chunks, there by increasing the ability of a person to access long term working memory.

This reason explains why different age groups and different exposure levels to computers interact different with computers. The younger generation are born in an era of computerization, and therefore, easily pick learned behaviours of computer interface techniques (Hollands et al., 2002).

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