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CSCE 230 Ch 1
Computer Organization Chapter 1
| Term | Definition |
|---|---|
| Computer Hardware | Circuits, magnetic/optic storage, electromechanical and communication |
| Computer architecture | Encompasses specification of an instruction set and functional behavior of hardware units |
| Embedded Computers | integrated into a larger device/system |
| Desktop | Computer that serves general needs |
| Workstation | Higher computational and graphical capacity |
| Portable/Notebook | basic functionality |
| Servers/Enterprise Systems | Meant to be shared by a large number of users |
| Supercomputers | Used for huge calculations |
| Processor | Arithmetic/Logic and main control circuits |
| I/O | Input/Output |
| Program | List of instructions that perform a task |
| Data | Numbers/characters used as operands by the instructions |
| Bits | 0 or 1 |
| Primary/Main memory | Programs are stored here during execution |
| Words | Groups of bits. Typically 16, 32, or 64 bits |
| Address | Numbers that identify locations |
| RAM | Memory in which any location can be accessed in a short and fixed amount of time |
| Memory Access Time | Time required to access one word |
| Cache | RAM unit that holds sections of a program currently being executed |
| Secondary Storage | HDDs, CD/DVDs, SSDs |
| Arithmetic and Logic Unit (ALU) | Any arithmetic operation is handled by this. |
| Registers | High speed storage elements that store 1 word |
| Control unit | Coordinates ALU, memory, and I/O |