A Definitive View Of Components by RobRenfrew. . The following information has been obtained from ...
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Transcript of A Definitive View Of Components by RobRenfrew. . The following information has been obtained from ...
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Hardware + softwareinteraction
A Definitive View Of Components by RobRenfrew
![Page 2: A Definitive View Of Components by RobRenfrew. . The following information has been obtained from and is being used for educational.](https://reader038.fdocuments.in/reader038/viewer/2022110403/56649e635503460f94b5fb35/html5/thumbnails/2.jpg)
rob renfrew 2
.The following information has been obtained from www.howstuffworks.com
and is being used for educational purposes only
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rob renfrew 3
What is a PC ?
A PC is a group of hardware components, associated software plus peripherals designed and assembled to perform a specific function or group of functions
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rob renfrew 4
A PC requires Hardware and Software to interact with each other for it to operate
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rob renfrew 5
The HARDWARE Hardware is the physical parts of the computer you can
touch. A PC comprises at least one input device, a processing unit, an output device, plus a storage device, and may contain a communications device.
More Information: http://computer.howstuffworks.com/inside-computer3.htm
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rob renfrew 6
PERIPHERALS
Peripherals are any input, output, and secondary storage devices of a computer system, typically considered to be options separate from the computer itself.More Information: http://computer.howstuffworks.com/computer-peripherals-channel.htm
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rob renfrew 7
the OPERATING SYSTEM Operating System software is the software controlling the
overall operation of a computer system, including such tasks as memory allocation, input and output distribution, interrupt processing, and job scheduling.
More Information: http://computer.howstuffworks.com/computer-operating-systems-channel.htm
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rob renfrew 8
SOFTWARE Application software is computer software designed to
help the user perform a particular task. Such programs are also called software applications, applications or apps. Typical examples are word processors, spreadsheets, media players and database applications.
More Information: http://en.wikipedia.org/wiki/Application_software
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rob renfrew 9
Basic Input / Output SystemBIOS is the third type of software your computer needs to
operate successfully.The BIOS software has a number of different roles, but its most
important role is to load the operating system. When you turn on your computer and the microprocessor tries to execute its first instruction, it has to get that instruction from somewhere. It cannot get it from the operating system because the operating system is located on a hard disk, and the microprocessor cannot get to it without some instructions that tell it how.
The BIOS is special software that interfaces the major hardware components of your computer with the operating system.
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rob renfrew 10
BIOS cont’d When you turn on your computer, the BIOS does
several things. This is its usual sequence:
1. Check the CMOS Setup for custom settings
2. Load the interrupt handlers and device drivers
3. Initialize registers and power management
4. Perform the power-on self-test (POST)
5. Display system settings
6. Determine which devices are bootable
7. Initiate the bootstrap sequence
More Information on the above steps http://computer.howstuffworks.com/bios1.htm
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rob renfrew 11
Computerhardware
applicationsoftware
I let software
& hardware
Work together
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rob renfrew 12
For further Hardware/Software information, please contact the IT Department
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rob renfrew 13
Hardware Components
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rob renfrew 14
The
End