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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

Input output data transfer rate of input output device?

Programmed input/output (PIO) is a method of transferring data between the CPU and a peripheral such as a network adapter or an ATA storage device.

In general, programmed I/O happens when software running on the CPU uses instructions that access I/O address space to perform data transfers to or from an I/O device. This is contrast to Direct Memory Access (DMA) transfers.

The best known example of a PC device that uses programmed I/O is the ATA interface; however, this interface can also be operated in any of several DMA modes. Many older devices in a PC also use PIO, including legacy serial ports, legacy parallel ports when not in ECP mode, the PS/2 keyboard and mouse ports, legacy MIDI and joystick ports, the interval timer, and older network interfaces.

You upgrade a faulty pci-e video card to a recently-released higher-performing card now users complain to you that windows vista hangs a lot and gives errors which is the most likely source of the?

Most likely a driver issue, especially if you bought an ATI 5000 series, although it could be the cause with any other card regardless. Go into the Program Files subfolder, clear out the ATI/Nvidia folder completely. Then head online and redownload the latest driver from ATI/Nvidia.

What is the time to execute a 3 clock cycle instruction in a 25Mhz processor?

The time to execute a 3 clock cycle instruction in a 25MHz processor is 120ns.

One clock cycle is 40ns, 1/25Mhz, so three of them are 120ns.

How do you uninstall my security wall on a dell inspiron 1520?

More information needed. Do you mean 'firewall'? What type/brand of firewall? Is it part of a security suite (such as Norton Internet Security) or stand-alone software?

Can the dell inspiron 670 run Fallout 3?

Go to "canyourunit.com"

and choose the game

click test

How many is 510 KB is in MB?

1,000 bytes = 100 kilo bytes = 1 mega byte. So 510 kilo bytes is 5.1 megabytes.

Should you use DVI or VGA to connect to a desktop?

Depends on if you have a DVI compatible monitor and video card.

DVI is considered better than VGA.

Where is cmos battery in d530?

The only watch like battery on the motherboard. Its silver colored and sits in a liitle Pod

How many hours of uaseage is equal to 5gigabytes?

Well, using a computer won't automatically use either RAM or hard drive space. It really just depends on what you download in respect to HDD space, and as for RAM, that's completely reusable.

Now, if you're talking about the 5gb cap on most mobile broadband cards, that will get you an AVERAGE of about 10,000 pageloads. Playing games or streaming music/video will eat straight through that limit in a few hours, however. And most major providers charge pretty large overage fees, based on the MB over the limit.

Why would a computer work if the cord from the power supply to the mother board doesn't have enough pins?

Not all pins are needed in a given configuration.

Another possible scenario would be if your motherboard requires a 24 pin adaptor and the power supply only has a 20 pin interface. In this situation, the 20 pin could be plugged in and might provide adequate power to operate the basic components to make the system turn on and run. However, you will have power deficiencies most notably to the CPU. This could in turn be harmful to CPU, motherboard, power supply, etc. by components demanding more power than the available conduits can provide.

Acer aspire 5735 how to replace key?

If your talking about the product key, then just go to MY COMPUTER, rt click, click on properties, at the bottom of the page you will see windows activation, to the right it says,

Change product key, click on this.

A little clue, if you are going to put in an OEM key, you better reinstall and format the drive

because the system MIGHT not take the key when it was already activated and then you put in an OEM key, you could get flagged as a pirated copy.

If you do this, just save everything you want, reinstall and add the key when windows asks.

How do you recycle USB hub?

There are services that will pick up electronic goods that you do not use anymore and recycle them.

Hp dv6000 start-up failure?

hp dv6000 can't start-up?i think format of hardisk or a sector is false or mrb lost

máy ảnh kỹ thuật số canon | máy ảnh kỹ thuật số sony | máy quay sony

Describe how a basic read memory access is performed?

There are a lot of aspects to this question. Are you asking from a software point of view, or a hardware? If hardware are you interested in is RAM, then the bits are stored as capacitance, and the address is put to the outside of the circuit, and the data comes out of the circuit as highs and lows on other lines. Please try to be more specific about what you want to know.

How does the bios relate to the cmos?

BIOS (basic input output system) is the menu system programmed into the firmware of your motherboard which allows you to change its settings and input some basic hardware information.

CMOS (copper metal oxide semiconductor) is a type of battery. It is the type of battery most commonly used on motherboards to power the circuit which remembers the BIOS settings and system time. Without a CMOS battery, this data will be lost every time the system is powered off.

In common nomenclature, these two phrases are often used interchangeably. Some people will refer to the BIOS menu as the CMOS menu, and will refer to the CMOS battery as the BIOS battery.

Give me an example of how you have solved a problem?

I have solved a computer hardware problem... It was a system that would not boot and displayed no information on the screen. The only information available was the sound of beeps after turning on the computer.

I began to solve the problem by opening the computer case and locating the memory chips. I removed and reseated each memory modules and then tried booting again. No improvement.

The next step was to remove all of the vertical cards from the slots. Then I reinserted the video card only and tried to boot again. This time the beeps were no longer heard and the monitor displayed the proper boot sequence.

Many "non boot" issues can be solved in this manner of troubleshooting.

What games can the dell inspiron mini 10 play?

Assuming windows as the operating system and playable frame rates. Older mainstream games such as (Unreal tournament, warcraft 3, Diablo 2, Red Alert 2), most flash and java games, card games, and games that will run on Intel GMA 500.

What ports are considered hot-pluggable?

Hot pluggable ports mean you can connect a device to your computer while your comptuter is still on and the device will work. Sometimes the operating system will do some configuring automatically without your help and make the device work.