Conventionally, a computer consists of at least one processing element, typically a central processing unit (CPU), and some form of memory. The processing element carries out arithmetic and logic operations, and a sequencing and control unit can change the order of operations in response to stored information. Peripheral devices allow information to be retrieved from an external source, and the result of operations saved and retrieved. COUNT 3
QSN1 In computer terms, what does CPU stand for? ANS1 central processing unit QSN2 What are the devices called that are from an external source? ANS2 Peripheral devices QSN3 What are two things that a computer always has? ANS3 (CPU), and some form of memory