Thursday, May 22, 2008
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Tuesday, May 13, 2008
Monday, May 12, 2008
SYSTEMS Vocab.
Mainframes-perform multiple task for many users simutaneously-usually for large corporations or organizations.
Supercomputers-meet this need by processing trillions of calculations per second.
minicomputers-were common in the 1970s and 1980s.
professionals Workstation- meets the needs of users requiring more computing power than a personal computer, yet less than a minicomputer.
IBM and IBM-Compatible Computers- Personal computer to the users used in markets.
Apple Computers- small, extraordinary powerful computers will increasingly be included in cell phones and other hand-held devices,TVs, DVD Players, and household appliances.
Hardware- encompasses all the physical components of a computer system.
System Unit-The case that houses the computer's internal processing circuitry.
Motherboard- All computer circuitry is connected to the main circuit board.
Central Processing unit- Residing on the motherboard.
Read-only memory(ROM)- chips have instructions and data built in them.
Random acces memory(RAM)- chips that store data only temporarily; all info is erased if computer is turned off
Expansion slots-Connections that let you indtsll expansion boards-circuits boards that all you to attach additional devices to your computer.
Input devices- are external to the system unit and are attached to it using specific connectors and ports.
Output Devices- Show you the results of the computers processing.
Flash Memory-cards store megabytes of data on small, thin rectangular cards using a type of chip.
Opertating System- The software program that oversees and controls everything that happens while your computer is turned on,
User Interface- the way in which the user interacts with the computer.
System Software-Includes the operating system and utility program s that help to operate and maintain your computers data amangament tasks.
Platform- The combination of a specific type of compter system and specific version of operating system.
Unix Sytem-It tells what operating systems should do and they should perform.
syntax- to communacate with the system, the user must type commands and keywords, puntuation and symbols, and other rigidly enforced rules.
Xerox's PARC Research- First computer to use Graphical user interface
Graphical User Interface- In stead of the command line, character-based interface. lets the users point and click on recognizable, intuitive, and consistent objects.
MS-DOS- is the foundation of microsoft windows.
Microsoft Windows- each of these operating systems have evolved over the last 20-plus years before reaching its current form.
Windows-Microsoft Corpration introduced its own (GUI)
Mac OS-Installs minor updates to the OS with Little or no effect.
Linux- a powerful operating system for pcs based on unix.
Virus-very small unauthorized programs written to invade hard drives.
Supercomputers-meet this need by processing trillions of calculations per second.
minicomputers-were common in the 1970s and 1980s.
professionals Workstation- meets the needs of users requiring more computing power than a personal computer, yet less than a minicomputer.
IBM and IBM-Compatible Computers- Personal computer to the users used in markets.
Apple Computers- small, extraordinary powerful computers will increasingly be included in cell phones and other hand-held devices,TVs, DVD Players, and household appliances.
Hardware- encompasses all the physical components of a computer system.
System Unit-The case that houses the computer's internal processing circuitry.
Motherboard- All computer circuitry is connected to the main circuit board.
Central Processing unit- Residing on the motherboard.
Read-only memory(ROM)- chips have instructions and data built in them.
Random acces memory(RAM)- chips that store data only temporarily; all info is erased if computer is turned off
Expansion slots-Connections that let you indtsll expansion boards-circuits boards that all you to attach additional devices to your computer.
Input devices- are external to the system unit and are attached to it using specific connectors and ports.
Output Devices- Show you the results of the computers processing.
Flash Memory-cards store megabytes of data on small, thin rectangular cards using a type of chip.
Opertating System- The software program that oversees and controls everything that happens while your computer is turned on,
User Interface- the way in which the user interacts with the computer.
System Software-Includes the operating system and utility program s that help to operate and maintain your computers data amangament tasks.
Platform- The combination of a specific type of compter system and specific version of operating system.
Unix Sytem-It tells what operating systems should do and they should perform.
syntax- to communacate with the system, the user must type commands and keywords, puntuation and symbols, and other rigidly enforced rules.
Xerox's PARC Research- First computer to use Graphical user interface
Graphical User Interface- In stead of the command line, character-based interface. lets the users point and click on recognizable, intuitive, and consistent objects.
MS-DOS- is the foundation of microsoft windows.
Microsoft Windows- each of these operating systems have evolved over the last 20-plus years before reaching its current form.
Windows-Microsoft Corpration introduced its own (GUI)
Mac OS-Installs minor updates to the OS with Little or no effect.
Linux- a powerful operating system for pcs based on unix.
Virus-very small unauthorized programs written to invade hard drives.
Wednesday, May 7, 2008
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