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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

What came first software or hardware?

Severely, severely, severely oversimplifying it...

The hardware does the actual work, consuming power as it does it. The software tells the hardware what work to do, when to do it, and in what order it should be done.

Are speakers an input or an output?

Output. Think ablout it, they are receiving data, not sending it.

What does input and output mean?

Input is what goes into something and output is what you get out. In terms of computing, data going in is input and data that comes out is output. When you type something on your keyboard, you are sending input to your computer. It responds by displaying what you type on your monitor. That is output. Movements and clicks with your mouse are the same. They are inputs. You see the pointer move on your screen, which is output. When you print something or if you are playing music on your computer, that is output. Installing software can be input, or copying files onto your computer from a disc, a USB key, a digital camera etc. can also be input.

What is the difference between firewall soundcards and USB soundcards?

Firewire and USB are just 2 different connectors for connecting something to the computer. Almost all computers have a USB input but most newer computers have a Firewire port too.

Depending on what USB or Firewire version you are using, the speed will be different. You want to use the one with the highest Mbps (megabytes per second) you can use. both your PC and your soundcard must use he same type. USB data transfer speeds:

1.1 - 1.5 MB/s

2.0 - 60 MB/s

Firewire transfer speeds: 100 - 12 MB/s 200 - 24 MB/s 400 - 49 MB/s 1600 - 196 MB/s

If you are trying to install a new soundcard, it is generally best to install it internally, that is, inside the computer as a PCI card. This will be much faster, cheaper, and the performance will be better. However, this is another matter altogether

What is binary language?

Binary is made up of 0's and 1's. Binary can also be called Machine Code. Binary is the 'language' that the computer understands.

What are three things do electronic hardware devices in order to function?

A method for the CPU to communicate with the device, Software to instruct and control the device, and Electricity to power the device.

What is the purpose of an output device?

Hi...

Its is quite simple, output device is used to display output of any application or whatever you do on computer. Example is monitor or any other screens used to display result.

Printers and some other devices are also considered as output devices.

What are the Symptoms of a fried motherboard?

A bad motherboard can show in several ways. If it reboots randomly for seemingly no reason, and especially if the frequency of the reboots increases, if it takes several tries to get it to start, and for Windows machines if they had been working, with good virus and malware protection, and stop with a blue screen with a stop error code. The most difficult task for a computer is to install Windows because of the checks performed to determine what hardware is present. If an older motherboard consistently fails to install because of a blue screen it is often a failed motherboard. A complete fail can show as a motherboard that will turn on but the power switch must be held in for 6 seconds to turn off. This is because power on is a hardware circuit but off requires the CPU to be operational to turn itself off. There are many other failure modes but those are the most common. As a general note, RAM rarely fails after 90 hours of operation and motherboards rarely fail new; they tend to fail as they age.

Why is the key board the most common input device?

On a QWERTY keyboard, the keys have been placed strategically so that the majority of words can be typed with two hands rather than one.

This means that the hands will not constantly cross over each other, block each other or bump each other, which speeds up the typing.

QWERTY first appeared on typewriters. The first typewriters had letters in alphabetical order, which, when the keys were pressed, often caused jamming and clashing. So QWERTY was very carefully invented, so the complicated typebars in typewriters didn't clash.

This invention made typewriters easier and faster to type on with minimal jamming. With the invention of the computer keyboard, QWERTY is used for similar reasons, although the ink typebars are removed completely on keyboards - speed and to avoid your hands running into each other.

How do you know what graphics card is compatible with your PC?

In a PC made in the past 5 years there are two kinds of video cards, AGP and PCI-E. If you have a manual for your computers motherboard, or if you can look it up on the factory's web site that might be the easiest way.

If that doesn't work you can open up the side case and If you do a google search for "agp slot" or "pcie slot" it will display pictures of each type.

If you are still clueless you may have to ask a geek friend. Worst case, you can take your computer to a computer store and they will charge you an arm and a leg to upgrade your card.

There is also a website called www.canirunit.com that will (with no viruses, spyware or malware) scan your system to see if it can run certain games (which is a good system check tool whether you want to play a specific game or not). Once the scan is complete, it will tell you what on your system passes and what doesn't. There is a 'Recommended' tab right next to the 'Minimum' specs tab that will offer accurate upgrade suggestions. This is a good place to start looking for graphic card upgrades.

What does your computer's video card do?

The function of a VGA card (video card) is to provide an interface between the hardware and the software. Basically this means that it plugs in to the monitor and shows what the computer is doing.

Why does my Lap Top keep turning off?

Well, if you aren't letting the battery die or unplugging it, then it's probably overheating and shutting off automatically to prevent damage to the components. Heat is the number on enemy of electronic components, especially microprocessors.

To remedy this, make sure that the area around your laptop is well ventilated, ensure that all vents on the laptop's casing are clear and if it appears dusty blow it out with a can of compressed air, and finally, don't use your laptop on heat-holding materials such as pillows, blankets, or (ironically) your lap.

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This is happening at me too, havent really done anything with it, but you may want to clean the fan inside :)

What is the purpose of an expansion slot?

An expansion slot is used to add additional devices to a computer system that the manufacturer may not have included, or to add additional / redundant devices to supplement those present. Examples of devices that may be installed via an expansion slot include:

  • Graphics cards
  • Sound cards
  • Video capture cards
  • SATA controllers
  • Dial-up modems
  • Ethernet controllers
  • USB hubs
  • FireWire hubs

What are the hardware upgrades?

If you have to ask, you probably should not try it.

Get help, or risk ruining your computer.

If that doesn't dissuade you, read, read, read then read the instruction manuals, then read, read, read, read some more. Search the web for instructions, watch stuff about upgrading on you-tube. Maybe take a class at your local community college. Then get an anti-static wrist strap and do what needs to be done.

Why computer has only two states?

A computer has only 2 states because there is either power (1) or no power (0).

When will Hellboy 2 be released on DVD?

It will be release on Nov. 11, 08, but may not show up in stores for a couple of days after that date.

Who invented the DVD drive?

In computing, an optical disc drive (ODD) is a disk drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs. The first digitally recorded optical disc was a 5-inch audio compact disc (CD) in a read-only format created by Philips and Sony in 1975.

What are types of adapter cards?

There are several different sizes of adapter cards and the slots they fit into. There's the Universal AGP, the AGP 4X, and the AGP 2X. The most common cards are the 32-bit and the 64-bit.

How do you remove the bios password on ACER 5720?

when you turn your computer on there will be a short key to go to your setup it will say it down then bottom when you see the acer logo E.G. myine is F2 umm when you click that system setup will start then use the arrow keys to navagate and find the bios password and click it by hitting enter then click disable or if it say current new then new put in your current and leave the 2 new ones empty and click enter then save your settings :)

What are the Two output devices used at an ATM?

Two output devices used at an ATM are a monitor and the device that dispenses money.