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15 Cards in this Set

  • Front
  • Back
power supply
- converts the alternating current power to direct current power for use by the computer components.
-power is supplied to all components from the main supply through the colored wites that end in plastic connectors.
-port of the process function.
central process unit (cpu)
-the brains of the computer.
-oversees most of the operations of the computer.
-attached to the motherboard.
-has a dedicated fan to cool it.
-part of the proces function.
motherboard
-main circuit board which connects internal components together.
-CPU and memory are generally on the motherboard.
-responsibe for sending power, data, and instructions among all of the components.
-part of the process function.
network port
-connection port of netword cables allowing multiple computers to be hooked together.
-part of the process function.
fan
-draws cool air over the components inside the canse
-prevents the computer for over heating.
ribbon cables
-wide flat grouping of wires
-used to connect the motherboard and the drives
-separate cables are needed for each drive.
part of the process function
case
-metal or plastic box surrounding the internal components of the computer
-protects parts from dust and damage
-often erroneously called the CPU
cd/dvd drive
-uses a laser beam to read data from a spiral of indentations and flat areas on a layer of metallic film
-if the data track could be lifted off a cd in a staight line, it would be almost 3/5 mile long
-dvd's store information in two seperate layers and use a smaller laser beam to read the information
-connects to the motherboard with a ribbon cable
-part of the storage function
keyboard and mouse ports
-connection port for keyboards
-part of the input function
floppy drive
-reads and writes data on a 3.5 inch floppy disk.
-connects to the motherboard with a ribbon cable
-usb flash or optical drives have replaced floppy drives in newer systems
-part of the storage function
hard drive
-large capacity magnetic storage system which stores system components, program files, and documents in a relatively permanent form
-busiest mechanical part of the computer- spins at 170 mph
dram parts and memory module
-dram= dynamic random access memory
- very fast storage used for data
-memory chips contain millions of transistors and capacitors used to store programs and data
-connecs eith the motherboard through an expansion port
-the module is a circuit board and connector which holds multiple memory chips.
-part of the storage function
usb ports
usb= universal cerial bus ports
-used to connect keyboards, mouse devices, monitors, printers, and other accessories without conflict
-provides power and versatility
-may be in the front of the case and attached through a ribbon cable of connected directly to the motherboard.
-depending on what is connected can be sed for input, storage, or output.
sound cards
allows computer to play and recard audio by converting analog sounds to digital and back
-contains external jacks that allow microphones and speakers to be pluged in.
-connected to the motherboard by an expansion port
-part of the input and output functions.
graphics card
-translates image information from the computer into a form for display on the monitor.
-connected to the motherboard by an expansion port
-part of the output function