programs that accomplish specific goals, including controlling or simulating physical systems; solve problems by decomposing them into smaller parts • design programs that accomplish specific goals • write programs that accomplish specific goals • debug programs to ensure they accomplish specific goals • control physical systems • simulate physical systems • solve problems by decomposing them into smaller parts • use sequence, selection, and repetition in programs; work with variables and various forms of input and output • use sequence in programs • use selection in programs • use repetition in programs • work with variables • work with various forms of input • work with various forms of output • use logical reasoning to explain how some simple algorithms work and to detect and correct errors in algorithms and programs • use logical reasoning to explain how some simple algorithms work • use logical reasoning to detect and correct errors in algorithms • use logical reasoning to detect and correct errors in programs • understand computer networks including the internet; how they can provide multiple services, such as the world wide web • understand computer networks including the internet • multiple services provided by networks and the internet, such as the world wide web • appreciate how results are selected and ranked • appreciate how results are selected • appreciate how results are ranked 1-2 3-6 7-9