- Comparison Between Hardware Software And Firmware
- Similarities Between Hardware And Software
- Similarities In Hardware And Software
Answer
Computer hardware is any physical device used in or with your machine, whereas software is a collection of code installed onto your computer's hard drive. Free trapcode particular plugin after effects. For example, the computer monitor you are using to read this text and the mouse you are using to navigate this web page are computer.
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06/08/2009
There are differences between computer hardware and software.However, the fundamental difference between hardware and softwareis that hardware is a physical device something that you're able totouch and see. For example, the computer monitor you're viewingthis text on or the mouse you're using to navigate is consideredcomputer hardware.
Software is code and instructions that tell a computer and/orhardware how to operate. Citizen aqualand watch manual. This code can be viewed and executed usinga computer or other hardware device.
I read your recent article on RAID, we use RAID-1 for many sites, is there any benefit is using hardware (basic..
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onboard RAID controller with no additional memory) or software (Windows) RAID-1?
From a pure operations perspective, there is very little difference between hardware and software RAID. Ultimately, the difference comes down to where the RAID processing is performed. It can either be performed in the host server's CPU (software RAID), or in an external CPU (hardware RAID). For hardware RAID, that CPU can be in a disk array or in a RAID controller.
Hardware RAID presents logical disks that are already configured to the system (or the SAN), mirrored and ready to go. Configuration is still required, but that configuration takes place outside the system. Under software RAID, that configuration is performed in the system.
Since hardware RAID work is done outside the system and the OS, it can support more kinds of systems. You could, theoretically, connect a disk array that does RAID to a Palm device, without the Palm knowing anything about RAID. (Don't try this at home, kids.) Software RAID is limited to OSes on which the disk management application can run.
Is one better than the other? It depends on your needs, and on the cost. The end result will be the same. RAID-1 will give you mirrored disks that provide protection against the failure of a disk, regardless of how it is implemented. The biggest difference you are likely to see between the two is that software RAID tends to be slower than hardware RAID. However, you are likely to find that putting an additional CPU in your server to speed up software RAID is less expensive than implementing hardware RAID on custom hardware.
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