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L01_Basic_terms_concepts - Basic Basic Terms Concepts...

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Basic Terms & Concepts hardware physical components of a computer software programs program specified pattern of instructions for a computer to perform EECS 183 University of Michigan Lecture 01 – 1/7/2008 Mary Lou Dorf run, execute, make the program go invoke, launch (start performing the instructions)
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Hardware Terms (1) CPU Central Processing Unit Part of microprocessor (e.g., G4, Pentium, etc.) the "brain" of the computer ISA EECS 183 University of Michigan Lecture 01 – 1/7/2008 Mary Lou Dorf Instruction Set Architecture what specific instructions the CPU can perform
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Hardware Terms (2) Primary (Main) Memory RAM = Random Access Memory “fast” storage, “close” to CPU stores both an executing program and the data it works on (e.g., Microsoft Word + a current English paper) Secondary Memory EECS 183 University of Michigan Lecture 01 – 1/7/2008 Mary Lou Dorf slower storage, “outside” main unit hard disks “Tertiary”: floppies, tapes etc.
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Flow of Computation (abstract) Data EECS 183 University of Michigan Lecture 01 – 1/7/2008 Mary Lou Dorf Program Results (computer)
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