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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 are power connectors use to provide power to CD drive?

Most common is a 4 PIN connector that comes conntected to the power supply or jumped from another 4 PIN connector. The pins will be in a streaght line. There are now also SATA power connectors that once side "flat and long" connects the the CD drive and the other "fat and short" 4 PIN female end to connect to a 4 pin male end

How do you refill Epson Ink Cartridges?

you need a chip resetter to rifill these cartriges

The ink cartridges used in Epson's Stylus line of printers are very similar to the ones used in its other printers. A handful of cartridges--like the S020034, S020047 or S020049--may require a slightly different refilling technique, but they all basically entail opening a fill hole in the top to run down into the ink chamber within. Once the chamber is accessible, you can use a basic refill kit with a syringe bottle to refill the chamber, as with most printer-ink cartridges.

1.Hold the cartridge upside down so the outlet holes to the printer paper are on top. Cover each hole with a piece of tape, then turn the cartridge right-side up.

2.Make a hole in the top of the cartridge above each ink chamber. For most cartridges, simply poke a hole through the label with a toothpick. With cartridges like the Epson Stylus 34 (the casing of which is black), pull back the label to reveal the filling holes and puncture the seal of each home. For the 47 or 49 color cartridge, drill a 1/8-inch hole in the shell between the label and front edge.

3.Determine which color of ink is in which chamber (if you're refilling a color cartridge). The toothpick used to puncture the hole should draw out some ink to show you. If you have a cartridge in which you punctured the label directly, the order of the color chambers is usually cyan, magenta and yellow. If you created the hole in another way (like with the 34, 47 or 49 cartridges), the order is usually magenta, cyan and yellow.

4.Fill the syringe bottle with 5ml of ink. Insert the needle in the filling hole and inject the ink. There may be a sponge inside the chamber, so make sure the needle goes all the way through to the bottom. The 34 cartridge takes up to 12ml of ink.

5.Tape over the fill holes you created. If you drilled the holes, plastic plugs (like the ones included in a refill kit) can work as well. Leave the tape on the outlet holes as you replace the cartridge in the Epson Stylus printer.

6.Run a cleaning or priming cycle on the printer with the cartridge installed. One to three cycles should be enough. You may also need to let the cartridge stand in the printer overnight, or for up to 24 hours.

eHow.com | http://www.britanniainks.co.uk/

How many times faster is a hi-speed usb port than an original usb port running at 12 mbps?

A Hi-Speed USB port is 40 times faster than Original USB port running at 12 Mbps because 12 divided by 8 equals 1.5 which is how many Megabytes not Megabits that can be transferred with USB 1.1 since there are 8 bits in one byte.

What are compatible video cards for dell 8500?

Any AGP graphics card (such as an NVIDIA GeForce 7600GS or an ATI Radeon HD 4760) will work. Depending on the power requirements of the card, you may need to upgrade your power supply.

Vinton Gray Cerf?

he played a vital role in the creation of the internet

What do you do if you suspect the network port is not functioning?

If you find that you are having network troubles the first thing to do is check to see if the cable is plugged in correctly. If it is, try pinging your loopback address. If that doesn't work that means that there is a problem with your NIC and it should be replaced.

How many bits can a serial port send and receive at a time using how many wires?

In a serial connection, at any given time in one direction r the other, data is transferred across only one wire, one bit at a time. The usual example of a serial connection, DB-9, uses two wires, but still keeps to this rule.

Is scanner a storage device?

No, a bar code scanner is not a storage device. The scanner is a peripheral device used to read the bar code on a product, and an associated computer can use that information to identify that product and provide pricing and other information about it. That identifying information and other data is held on a storage device associated with the computer.

How does the number of cores make the processor better?

Extra processor cores will only enhance system performance on heavy applications that support multiple core use. Most professional applications support this such as Adobe Photoshop support this. Extra cores will also enhance multitasking. To make a lighter system (smaller applications such as web browsing) run faster you need a higher clock speed. This is measured in Ghz.

What is the voltage of a USB?

Clients have to accept 4.75 to 5.25V and must be able to send configuration data as low as 4.4V. Hubs are allowed to drop as much as 0.35V.

By itself, a USB plug does not have to supply more than 100mA; however up to 500mA can be negotiated between device and host. Some USB hosts simply offer up 500mA from the get-go.

USB power supplies short the two data lines (white and green) which allows the device to probe for the fact that they're power supplies (i.e. that they provide the full 500mA without negotiation and that they won't respond to data).

How can your monitor speaker work?

The same way any set of speakers works - by sending an analog audio signal to an amplifier connected to the speakers. Whether the speakers are integrated into the monitor or stand-alone units, the wire from the speakers/monitor must be connected to the audio output of the computer. This wire terminates in a 3 conductor mini-phone plug. The jacket of this plug and the proper jack on the rear of the computer are usually light green in color. Under the jack, the mounting panel will have 'SPKR' etched into the metal/

What should you do after powering off the computer?

You should let it run disk utilities when it comes on. If you cannot get into it, you might need to run a repair install of Windows.

Where do you put the micro sd adapter on your computer?

If you are refering to SD Card adapter, there are the following methods.

If the adapter uses USB, then attach it to a USB port. (common)

If the adapter converts to firewire, plug it into a firewire port. (uncommon)

If it adapts mini/micro SD to SD, then slot it into a SD Card Slot.

How do you repair BSOD - Blue Screen of Death - on your computer?

Can depend on what caused it. It means the machine can't decide what to do next so it goes belly up (BSOD).

If you installed some new hardware the problem might be that....called a driver problem quite often. Need to uninstall it and read instructions or call manufacture.

Sometimes a simple restart will clear things up.

If you didn't installed anything, hardware of software and the machine is a few years old some component might have gone bad and the computer doesn't know what to do next. The next step is to open it up and start disconnecting things and restarting to find out what's causing the problem. This of course requires some 'puter knowledge, best left to the pros.

Convert 1.83 MB to KB?

1.83 mb is 1873.92 kb

(1 mb is 1024 kb,so 1,83*1024=1873,92)

Can ProTools be run on PC without any additional hardware?

No,This cannot be done,You must have some digidesign, M-audio hardware or compatible control interface for pro tools to work

What happens when the power supply is bad?

Your system will probably won't even start.

randomly shuts down.

May cause failure to your system.

What is the difference between a modem and a codec?

* Codec is for coding analog data into digital form and decoding it back. The digital data coded by Codec are samples of analog waves.

* Modem is for modulating digital data into analog form and demodulating it back. The analog symbols carry digital data.

An external peripheral device must have a corresponding?

A peripheral device is a device which allows the computer to obtain information from its periphery - This may be as simple as a power button (which does not directly control the supply of mains to the machine, but rather signals to the power supply) or a HID (Human Interface Device).

Examples of HID include Mice, Keyboard, joysticks and gamepads, trackballs, trackpads... In fact anything which we use to provide information to the computer.

Any device which is connected to the computer must have a method of communicating with software which is running on the computer.

Early peripheral devices were always connected with cables however today peripheral devices can connect via one of the following means:

Any radio frequency method (includes Bluetooth, Wi-Fi, etc)

Mobile Phone

Infra-red communications are less commonly used but still supported.

A device could communicate with the computer via a network, this could mean that the device can be connected 5 feet or 500 miles away and it will appear the same to the computer (except for network speed limits and delays)

I hope this helps!

What is the primary purpose of file compression utilities such as WinZip?

The program allows large files to be compressed for either sending via e-mail or transferring to another source (e.g. from desktop computer to laptop). One must have the accompaning unzip program to allow the files to be redistruted to whatever source was chosen

How do you turn on an old AT power supply without motherboard?

AT power supplies typically use a mechanical button or switch to turn on. Depending on the age of the device, however, it may not be safe to activate it without a load, however. If no motherboard is attached, other devices that draw lots of power, like hard drives, should be attached.

What is different about the XT AT 286 and 386 motherboards from the 486?

They are the same size, but the processors are slower. ( The XT was a 16-bit 8088 computer, the AT was a 286 processor, a 386 was advanced enough to have virtual memory. The 486, even more powerfull had a built in math co-processor for the most part ).

Why is accurate data important?

Accurate data is important because if someone tried to go off the outcome of your experiment with incorrect results then it could harshly effect their own experiment. It creates a domino effect. If one person goes off your false data then other people could go off theirs so on and so forth...