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Computer Hardware
Computer hardware is a general term used to refer to all the physical parts of a computer. Internal hardware devices include hard drives and motherboards, while external hardware devices include monitors, mice, keyboards, and printers.
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When you use a VGA cable coming out of the monitor, the monitor is giving out an analog signal through the VGA connection. For the monitor to give out a digital signal, you need a DVI or HDMI cable.
The VGA to HDMI cord just converts the analog signal into a digital signal so it's not completely useless, however the quality will not be as good as an HDMI to HDMI or DVI to DVI or HDMI to DVI
A register used to store an address of something in memory. Its invention eliminated the need to write self modifying code.
Functions of random access memory?
It's temporary memory.
When you run a program such as a word processor or an Internet browser, the CPU in your computer pulls the executable file(.exe) off the hard disk and loads it into RAM. Large programs like Microsoft Word or Excel use large amounts of memory The microprocessor also pulls in a number of shared dynamic link libraries (DLLs) -- shared pieces of code used by multiple applications. The DLLs take many more megabytes.
ÂThen the microprocessor loads in the data files at which you want to look, which might total several megabytes if you are looking at more than one document or browsing a page with a lot of graphics. So a big application can easily take 100 megabytes of RAM or more, which can slow your system down significantly if there isn't enough memory. On your machine, at any given time you might have the following applications running:
* ÂÂÂA word processor * A spreadsheet * An e-mail program * A drawing program * Three or four browser windows * A fax program * A Telnet session
If one's laptop already has a USB port, a USB 2.0 PCMCIA card and hub are not necessary, as all USB devices can work in any USB port albeit sometimes at a lower speed .
However, for maximum speed, if USB 2.0 is not available on the laptop, the USB 2.0 PCMCIA Card can be installed.
All you need is a hub and that's assuming that you don't have a spare USB port on your system. If all your USB ports are used, simply attach 1 or more items to the new hub and attach the hub to the resultant free port. I recommend that you choose a hub with 4 or more ports - to allow for future upgrades or additions.
Hope this helps. Canis
I would recommend a powered hub if you are connecting to a laptop.
The buss voltage drops off with multiple items plugged into a laptop.
Ergonomics is all about how humans are capable of certain demands in regards to work. Scientists who study ergonomics are called ergonomists and they show how to relieve stress and tension in the work place, and also in every day living.
nLPM stands for Normal Liters per Minute. This is actually a mass flow rate because it describes the amount of gas that would have the indicated LPM volumetric flow rate AT 1 atmosphere pressure and 0 degrees C. The actual volumetric flow rate (LPM) at any other temperature or pressure condition must be adjusted according to the ratios of absolute temperatures and (inversely) absolute pressures.
What are the names of the Tunisian ports?
Bizerte, Sfax, La Goulette, and Gabes are ports in Tunisia.
ANSI/TIA-568-C.2
This standard specifies characteristics for cabling such as Cat-5e, Cat-6, and Cat-6A
There are many reason and causes Of PC failure. 1. Power Supply Is faulty. 2.Ram Is not Fitted In Slot Properly. 3.H.D power or IDE connecter Is not fix properly. 4.There are so many Causes depend Upon the situation.
type of chipset
What is the effect and role of virtual memory to computer?
Consider this analogy:
You have a nice size kitchen that you cook in - and you love to cook, especially for parties and holidays.
For your daily cooking needs, there's plenty of counter space to work with - you have room to get your ingredients out, a few mixing bowls, the coffee pot and so on.
But when you start to prepare for the big holiday meal, all of a sudden you're starting to have way too many tasks trying to be done in this space. You get the idea to use the dining table in the next room to put some of your stuff on while you work on other things.
That works out pretty good - you take stuff back and forth from the dining room to the kitchen as you need to work on them (such as turkey stuffing, pies, cakes, cookies, more pies).
This works out pretty well, but you see that you're spending lots of time traveling back and forth to your extra workspace - moving things around to be able to focus on the task of the moment.
Now to apply the analogy:
RAM memory is your primary workspace (kitchen) - the operating system and active applications are all trying to utilize this very fast functioning electronic space.
As DOS matured, and applications were developed to allow for loading more than a single application at one time, and ultimately run at the same time, (PC Tools, DR-DOS, Windows) there just wasn't enough room in the limited RAM available at the time (64KB, 128KB, etc).
The strategy of using hard drive space as an extension of RAM was devised (dining room) - thus virtual memory. The CPU now had a place to move non-priority tasks over to while it focused on processing the highest priority task of the moment in RAM.
Back and forth, back and forth.
A little slow, but functionally effective to accommodate task-switching, and ultimately multi-tasking.
That's my take on the story, and now off to get some pie...
Each byte has eight bits of information, i.e., either a 1 or a zero. A giga byte is 1,000,000,000 bytes of information or 1 GB.
