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15 Cards in this Set

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