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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 |