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terms
| Question | Answer |
|---|---|
| data path size | the number of lines on a bus that can hold data |
| dual inline memory module | a miniature circuit board installed on a motherboard to hold memory |
| expansion cards | a circuit board inserted into a slot on the motherboard to enhance the capability of the computer |
| expansion slots | a narrow slot on the motherboard where an expansion card can be inserted .expansion slots connect to a bus on the motherboard. |
| firmware | software that is permanently stored on a chip.bios on the motherboard is an example |
| flash rom | rom that can be reprogrammed or changed without replacing chips |
| floppy disk drive | a drive that can hold either a 5 1/4 or 3 1/4 inch floppy drive |
| front side bus | system bus |
| gigahertz | one thousand mhz or one billion cycles per second |
| graphics card | video card |
| hard copy | output from a printer to paper |
| hard disk drive | the main secondary storage device of a pc.two technologies are currently used by hard drives, magnetic and solid state |
| hardware | the physical components that constitute the computer system |
| hertz | unit of measurement for frequency,calculated |
| host bus | memory bus |
| keyboard | an input device thru which data and instructions may be typed into computer memory |
| magnetic hard drive | one of two technologies used by hard drives where data is stored as magnetic spots on disks that rotate at a high speed. |
| main board | motherboard |
| megahertz | one million hetz or one million cycles per second |
| memory | physical microchips that can hold data and programming,located on the motherboard or expansion cards |
| microprocessor | cpu |
| monitor | most commonly used output device for displaying text and graphics on a computer |
| motherboard | the main board on a computer,also called the system board.the cpu,rom chips,dimms,rimms,and interface cards are plugged into the motherboard |
| mouse | a poining and input device that allows the user to move a cursor around a screen and select items with the click of a button |
| non volatile memory | refers to a kind of ram that is stable and can hold data as long as electricity is powering the memory |
| parallel ata | an older ide cabling method that uses a 40 pin flat or round data cable or an 80 conductor cable and a 40 pin ide connector |
| parallel port | a female 25 pin port on a computer that can transmit data in parallel,8 bits at a time,and is usually used with a printer |
| peripheral device | devices that communicate with the cpu bu are not located directly on the motherboard,such as a monitor |
| port | physical connector at the back of the computer for a peripheral device |
| power supply | a box inside the computer case that supplies power to the motherboard |
| primary storage | temporary storage on the motherboard used by the cpu to process data and intructions |
| printer | a peripheral output device that produces output to paper |
| processor | cpu |
| program | a set of step by step insructions to the computer |
| protocol | set of rules and standards that two ebtities use for communication |
| random access memory | memory modules on the motherboard containing microchips used to temporarily hold data and programs while the cpu processes bot. |
| read only memory | chips that contain programming code and cannot be erased |
| sony philips digital interface sound port | sound port to connect home audio systems |
| secondary storage | storage that is remote to the cpu and permanently holds data even when the pc is turned off |
| serial ata | an atapi cabling method that uses a narrower and more reliable cable then the 80 conductor cable |
| serial port | a male 9 pin or 25 pin port on a computer system used by slower i/o devices such as a mouse or modem |
| software | computer programs or instructions to perform a specific task |
| solid state drive | an electronic device with no moving parts.storage device that uses memory chips to store data instead of spinnig disks |
| startup bios | part of the system bios that is responsible for controlling the pc when it is first turned on |
| system bios | bios located on th motherboard |
| system board | motherboard |
| system clock | a line on a bus that is dedicated to timing the activiies of components connected to it.provides a continuous pulse that other devices use to time themselves |
| traces | a wire ona circuit board that connects two components or devices |
| video card | an interface card installed on the computer to control visual output on the monitor |
| video memory | used by the video controller, might be part of the system memory or on a video card |
| volatile | temporary memory |
| administartor account | account that grants rights and permissions to all hardware and software resources |
| aero user interface | vista 3d user interface |
| backward compatible | technology, software or device that works with older technology software or devices |
| briefcase | a system folder that is used to synchronize files between two computers |
| child directory | subdirectory |
| command prompt window | windows utility that is used to enter multiple commands to perform various tasks |
| compressed zip folder | a folder with a .zip extension that contains compressed files |
| desktop | the initial screen that is displayed when an os has a gui interface loaded |
| device driver | a program stored on the hard drive that tells the computer how to communicate with a hardware device such as a printer or modem |
| dual boot | ability to boot using two operating systems |
| elevated command prompt window | vista command prompt window that allows commands that require administrative privileges |
| executive services | a group of components runnig in kernel mode that interfaces between the subsystems in user mode and the hal |
| file attribute | properties assigned to a file,read only |
| file extension | used to identify the file type exe |
| filename | the first part of a name assigned to a file |
| folder | subdirectory |
| graphical user interface | uses graphics as compared to a command driven interface |
| hardware abstraction layer | the low level part of windows 2000, vista, xp written specifically for each cpu technology so that only this part has to be changed when platform changes are made |
| kernel | portion of the os that is responsible for interacting with the hardware |
| kernel mode | processing mode that has access to hardware components |
| notebook | portable computer designed for travel and mobility |
| notification area | an area to the right of the task bar that holds the icons for running services |
| operating system | software that controls a computer |
| original equipment manufacturer license | a software license that you have to buy before you can install software on a computer |
| patch | an update to software that corrects an error,adds a feature or addresses a security issue |
| registry | a database that windows uses to store hardware and software configuration information,user preferences and setup information |
| root directory | the main directory created when a hard drive or disk its first formatted |
| service | a program that runs in the background o support and serve |
| service pack | patch |
| shell | the portion of an oS that relates to the user and other apllications |
| standard account | vista user account that can make some system chamges |
| subdirectory | a directory or folder conained in another directory or folder |
| system tray | notification area |
| systray | notification area |
| task bar | a bar at the bottom of the desktop displaying info about open programs |
| thread | each process that the cpu is aware of,a single task is part of a longer program |
| user account control dialog box | vista security feature |
| user mode | provides an interface between the user and the operating system |
| virtual machine | one or more logical machines created within a physical machine |
| volume | a primary partition that has been assigned a drive letter and can be formatted with a file system such as ntfs. |