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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.

11,849 Questions

How precedence diagram work?

A precidence diagramme is a planning tool that allows a timescale and dependancies to be calculated on a project. A simple plan would to pour yourself a glass of fresh orange. The activities are enter kitchen, open fridge, get out drink, open cupboard, get out cup, close cupboard, open bottle, pour drink into cup, put lid back on bottle, place bottle back in fridge, close fridge. Each of these actiuvities has an order and has a duration of time, short though they may be. In addition some activities depend upon others being completed whilst others do not. all activities have to have taken place before the task is complete. a precidence diagramme would map these activities and give earliest and latest start and finish times to them. It is hard to show the diagramme in text but if you were to plan out the activity the first step would be enter the kitchen as nothing can be done without this step. Now this leads onto one of two next stages either open fridge or open cupboard each activity independent but both dependent upon being in the kitchen, from each of these two activities there are other activities the open firdge route goes on to get out bottle, open lid, and the open cupboard route goes to get out cup and that in turn to close cupboard, now the three activities we have are the orange is out of the fridge, the cup is out of the cupboard and the cupboard can be closed, pour orange into cup comes next dependant upon the bottle being out and the lid off and the cup out, so links are drawn from these two to the current pour drink activity, the close cupboard is not dependent so no line. replace lid, place back in fridge and close fridge are all dependent upon drink poured so are linear and linked to this and then to task complete, also task complete dependent opon that open cupboard being closed to that link goes here to, now all lines are connected through various dependent activities from start to finish. Next times are allocated and the diagramme is complete. Hope that helps and is not too confusing. If I can get a picture in here I will show more. Justyn

I am building an arcade machine to run MAME and i was wondering if there are any computers that are cheap and will only run one program so that there is not an OS to deal with every time its turned on?

You can try finding an older computer that'll run a basic Windows XP operating system. That should run most games quite well. And, in order to boot right into your emulator, try using a front end program for the emulator. They usually have an option to boot directly into the program. Look for free programs such as GameEx and Maximus Arcade. (Keep in mind, maximus will be in a trial format, but still works great.)

Where is the obd2 dtc port on a 00 foucs?

The 2000 Ford Focus OBD 2 port is located on the lower left portion of the driver side dash. Look for the fuse box, which is covered by a pull-away gray panel. Once this area is exposed, you'll notice an additional lower portion that can snap open. In that lower portion is the connection port.

How do you turn the sound off in moshi monsters?

Ughh i've been trying to find out the same thing.....turns out you can't

which is a bit ick...

Your hard drive is full if you intstall another hardrive how can you get programs to run on it. Will i have to put OS on the second drive if they are xp programs?

You'll probably have to re-install all of your programs onto the new hard-drive in order for it to run on it. You can't just click and drag all that stuff to the new one because of the hidden files every program puts into various places on your computer. For instance the executable files for lets say a computer game like SPORE could be in your (for instance) C:\\ hard-drive and you try to move the game files for SPORE to your new (for instance) E:\\ hard-drive. The game will not run because it is trying to access the executable files on your C:\\ drive but the application files are on the E:\\ drive.

Will a HD 6870 or 6950 with 8gb ram and i3 2120 run battlefield 3 well?

The specs for Battlefield 3 aren't out yet but i'd suspect it would run well on that graphics card and processor. In the mean time see if they stack up with the battlefield bad company 2 specs. The battlefield 3 specs shouldn't be that far off.

How do you get PC speakers to work?

You plug them into the speaker jack of your sound card, and turn the volume knob and/or the push the power button.

How do you get dragon of atlantis ruby hack without survey?

You can't because the hack isn't real, they are trying to trick people into taking their surveys so they make money.

How many computer chips does a 1988 Olds 88 royale have and Are they easy to replace?

There is a bunch and not easy to replace because the factory part numbers on them make it difficult to find over the counter replacement chips. Also most are soldered on the boards and the boards coated with varnish. The vehicle computer under the passenger dash or the A/C climate control module is less than $100 at most auto parts stores.

What is a power mode that allows the computer to save an image of the desktop and enter a state of reduced power consumption to save energy?

Hibernate is a power mode that allows the computer to save an image of the desktop to the hard drive and enter a state of reduced power consumption to save energy.

How can a desktop PC be operated in a rural area with a car battery as the source of power supply?

The only problem is that you need to convert the power? If so, the answer is an inverter. What this will do is convert the 12v DC power from the car battery to 120V AC (standard household power plug). They can be purchased at almost any auto parts or electronics stores. For a full desktop computer with a CRT Monitor you will probably need at least an 800 Watt inverter, but since the power ratings on most electronics aren't always truthful (or just use different ways of determining it) be prepared to buy a 1000W. http://www.radioshack.com/product/index.jsp?productId=2484365&cp=&sr=1&origkw=inverter&kw=inverter&parentPage=search Many car-part stores sell inverters. You plug one end into a car's cigarette lighter, and on the other end the device presents a normal wall-socket, into which you can plug your desktop PC and its monitor. Other types of inverters are supposed to be wired to a car-battery directly. An inverter converts a car's dc-12V power into the ac-120V that household wall-sockets have.

Can a Toshiba 460CDt boot from the CD?

Any computer can boot from CD, you must get into BIOS[read your manual on how, I hope]. Once your there you set the boot order so that CD is on top or first instead of floppy or hard-drive. Its safe to leave it that way too, there are many freeware downloadable CDs on the net from helping you repair a system to running Linux directly from the CD drive, no-install.

How do you install 256mb sdr dimm h literally?

I have Installed an exstended memory chip in my computer, but I don't know if my computer is reading it, or how to look for its usage

What does HD mean?

High Definition, a better, sharper more detailed picture. (HDTV).

Why is port called port?

Just like a port at a shipping dock. ships will dock with the port. Cables for computers will dock in the computer ports.

Should a modem be turned off when not in use?

(not a correct answer)

Of course a modem shouldn't be turned off while not in use it will loose its memory and you would have to reprogram it, so keep it on.

Modem can be turned off to save power and to prevent it from over heating if they are not in a well ventilated place when not in use. All good modems are designed for continuous usage. and should be able to remain on for long time (many months and years) as long as there is no software glitch or malfunction causing it to hang.

Modems will not loose any memory and will not need any reprogramming when turned back on. All settings are stored in a non-volatile memory which is not erased when device is off. The embedded software is also in a Flash memory. Some service providers recommend that you keep the modem on so that in case there is a software/modem firmware update from their side, it can be updated while modem is on. It can also be updated when you are keeping the modem off and next time when you turn on the modem.

Keeping your computer and modem off when not in use is a good idea to save power and protect your system from network attacks and misuse if there is no firewall installed.

- Neeraj Sharma

Can you have your non micro chip passport micro chipped?

Unfortunately, no you cannot. The US Government requires that in order to get a micro-chipped passport, you must get a new passport.

Does ati mobility radeon HD 4570 have t and l?

(Not an answer, just extending my question. When adding answer, edit this one.)

I recently bought Star Wars Battlefront II for my PC (Dell Inspiron 530, Intel GMA video card) and it will not work. I ran the diagnostics tool on the disc and it said that my computer needs, and does not have, TnL (Transform + Lighting). When I run the game it is fine until I enter a battle, then the program closes. I think that with TnL it might work. Does the ATI Mobility Radeon HD 4570 have this feature?