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15 Cards in this Set
- Front
- Back
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System Units
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Desktop
Notebook Table PC Handheld (PDA) |
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Binary Coding Schemes
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ASCII (most common)
EBCDIC (large computers) Unicode (international languages) |
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System Board
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(mainboard/motherboard)
-sockets (connection pts for chips) -slots (connection pts for cards or circuit boards) -bus lines (pathways for communication) |
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Microprocessor (CPU)
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-control unit (how to carry out program instructions)
-ALU (logical operations) |
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Microprocessor Chips
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(microsec, nanosec, picosec)
-CISC -RISC (fewer instructions; used in workstations) |
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Specialty Processors
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-graphics coprocessors (2d and 3d images)
-parallel processors (work with other processors) -smart cards (embedded chips) |
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RAM
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(volatile storage)
-cache memory -virtual memroy -flahs RAM |
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ROM
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(firmware)
-nonvolatile storage -control essential system operations |
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CMOS
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-provide flexibility and expandability to computer systems
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System Clock
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-control speed of operations
-gigahertz |
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Closed/Open Architecture
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-closed= not easily expandable
-open= slots on system board to accept expansion cards |
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Expansion Cards
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(plug-in boards, controller cards, adapter cards, interface cards)
-video -modem -NIC -TV tuner -PC cards |
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Plug and Play
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set of hardware and software standards to help install expansion cards
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Bus Lines
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(buses)
-bus width (# of bits traveling simutaneously) -system bus (CPU and memory) -expansion bus (CPU and slots) *ISA, PCI, AGP, USB, Firewire |
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Ports
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-serial
-parallel -USB -firewire |
