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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 does a video CD store data?

A CD has a strip of information that is embedded within it. The information is stored on the strip on the CD. The lens from a radio reads the information for playback.

I have a dell Optiplex GX270 and i want to take a hard drive from this computer and put it in my Optiplex 745 but when i do it fits with an adapter it wont start up is there a way i can make it work?

Btw my Optiplex 745 does not support booting from a CD/DVD or floppy, only a usb or hard drive. the bios are also locked so you can see the problem, it also had a password for the admin and to start xp so i took the hard drive out a while ago and put it in an external enclosure and with my other CPU i have been trying to install windows on it, i finally put it inside my other CPU and tried installing windows on it again, it worked but when i put it in the other CPU it does not start up right anyone know how to make it start up in the optiple 745?

Do you need a USB 3.0?

No, USB 3.0 is just a faster way to get information through the USB drive.

What are the inputs to a speech synthesizer?

text from a computer document, coordinated action such as keystrokes on a computer keyboard, simple action such as directional interpretation of a joystick, or basic functions such as eye, head, or foot movement

What to do if CD or DVD stuck in drive?

Try rebooting your computer. While it's turned off if there is a hole in the front panel of the drive try inserting a pin or unfolded paper clip into the hole and pushing.

Where would a user modify the battery alarms in window?

To modify your battery alarms in Windows XP, follow these steps:

1) Click the Start Button.

2) Click the Control Panel button.

3) Under Catagory View, Click on thePreformance and Matainence link.

4) Click on the Power Options link.

5) A dialog box will appear saying "Power Options Properties" Go to the Alarms Tab.

6) Now, adjust the alarms to where you think they are best.

7) Click Apply, and then OK.

How many types of land line modem are there?

There are several types of land line modems that have been created over the years. Some of the more dated modems were soft modems as well as dial up modems.

How many ports does the average usb port hub have?

In regards to the average usb port hub and how many ports are available, this can vary. The average usb port hub can support up to four usb inputs at a time.

What is a SCSI port?

SCSI or Small Computer System Interface is a set of standards for connecting computers and peripheral devices for data transfer. SCSI is commonly used for hard disks and tape drives, but can connect a wide range of other devices like optical drives like CD/DVD drive if the specific device being connected supports the standard. There are different SCSI port types like parallel SCSI, serial SCSI, Fiber SCSI and iSCSI. More details can also be found on Wikipedia. http://en.wikipedia.org/wiki/SCSI - Neeraj Sharma

What is the eccn code for exporting computer hardware?

Export Control Classification Number - ECCN [source: www.export.gov] If a product is subject to the Export Administration Regulations (EAR) - the federal regulations that specify which exports require a license from the Department of Commerce - it may require an export license. To determine if a license is needed to export your product, exporters must first determine whether an Export Control Classification Number (ECCN) fits their product. The Commerce Department's Bureau of Industry and Security (BIS) has the licensing authority over the export and re-export of items considered to be "dual-use". Dual-use items generally have both commercial and military applications. These items are controlled to further the national security, foreign policy, and nonproliferation interests of the United States. The five character alpha-numeric ECCN identifies the technology level and the capabilities of an item which, in combination with the country of destination, customer, and the intended application, determine if an export license is required for a specific transaction or whether an item can be exported without a license. The ECCN must be determined prior to shipment. Once the ECCN has been identified, an exporter can consult the Commerce Control List (CCL) and the Country List, contained in the Export Administration Regulations, to find out if the product requires a license, why the product is controlled, and whether a license exception or NLR will apply. Firms exporting products that are subject to EAR must apply for an export license, unless the transaction qualifies for a license exception or "No License Required" (NLR) treatment. When a Shippers Export Declaration (SED) is required for the export transaction (for shipments over $2,500 value, those requiring an export license, or those going to countries that have been designated as terrorist supporting countries), the ECCN must be provided. If an export license is not required, then NLR is entered on the SED, unless the item is controlled for anti-terrorism. How Do I Get An ECCN? There are several ways to determine the ECCN for your product: Contact the manufacturer, producer or developer of the product. If the item has been exported in the past, the producer may already know the ECCN or if the item qualifies for a license exception. Consult the Export Administration Regulations (EAR), which can be found at the BIS website and in most libraries, in the Code of Federal Regulations, 15 CFR Parts 730-774. Consult the CCL and determine your ECCN by finding the appropriate category and group that most accurately describe your product. Begin with a review of the general characteristics of your item, which will guide you to the appropriate section of the CCL. After you have identified the category and group, match the specific characteristics of your item to an ECCN. (Note: For ease of reference and classification purposes, items subject to the EAR which are not listed in the CCL under a specific ECCN are designated as EAR99, see more details on ECCN categories below). Request an official ECCN classification on the BIS Multipurpose Application form BIS-748P. Classification requests are processed within three to four weeks but vary on a case-by-case basis. Only typed original copies are accepted. Form BIS-748P can be obtained by contacting the BIS's Form Request Service at (202) 482-3332. Fax requests may be sent to (202) 219-9182. Include your name, address, telephone number and specify which forms are needed. (If you need to request additional forms, use the address below and make the request to the Forms Distribution Unit). Mail your completed BIS- 748P Form to: U. S. Department of Commerce, Bureau of Industry and Security Office of Exporter Services P. O. Box 273, Washington, D. C., 20044. Attn: Classification Request. Request an ECCN electronically through the Electronic Request for Item Classification (ERIC), which is available through the Electronic Licensing Application Information Network (ELAIN). Prior to submitting an electronic request, you must first obtain a PIN number. Information on all electronic services, including receiving a PIN, can be found on the BIS Website, or by contacting the BIS Operations Support Division at (202) 482-3290.

After determining an ECCN you may apply for a license using the Simplified Network Application Process (SNAP) through which exporters can submit license applications directly to BIS via the Internet. Additional information on SNAP and how to request a PIN can be found on the BIS website. SNAP is a free service to the exporting community. Are There Any Requirements For Classification Requests? Each request is limited to five items. Exceptions may be made on a case-by-case basis for several related products if the relationship between the products is substantiated and documented. Attach descriptive literature, brochures, technical papers or specifications to assist licensing officials in determining the correct ECCN. On form BIS-748P, complete Blocks 1 through 5, Block 14, Block 22(b) (only if the item is a computer), Block 22(c), Block 22(i) and Block 22(j). If more space is needed for the technical description required in Block 22(j), use Appendix Form 748PA for additional space. An attempt should be made to identify the item. Once completed, the form should be signed and submitted to BIS at the above address. To submit the classification request or license application electronically, access the ELAIN or SNAP services via the BIS website or call the Export Counseling service at (202) 482-4811. How Do I Find My Product On The Commerce Control List (CCL)? The CCL is divided into 10 categories. The first (numerical) character in the ECCN identifies the category within which the entry falls, for example: 3A001 is in Category 3, Electronics. The following is a list of CCL categories: 0 Nuclear Materials, Facilities and Equipment and Miscellaneous; 1 Materials, Chemicals, Microorganisms, and Toxins; 2 Materials Processing; 3 Electronics; 4 Computers; 5 Telecommunications and Information Security; 6 Sensors; 7 Navigation and Avionics; 8 Marine; 9 Propulsion Systems, Space Vehicles and Related Equipment. Within each category, items are arranged by group. The second (alpha) character indicates under which of the five groups the item is listed, for example, 3A001 would be in group A, Equipment, Assemblies and Components. Each category contains the same five groups, which are: A Equipment, Assemblies and Components; B Test, Inspection and Production Equipment; C Materials; D Software; E Technology. The remaining digits identify the reasons for control associated with the item. It is not essential that you be able to identify which reasons for control are associated with particular digits. However, if interested, you can find an explanation in 738.2(d) of the EAR. A brief description of the product is provided next to each ECCN. Following this description are the "License Requirements," "License Exceptions," and "List of Items Controlled" sections. After you have determined where your product fits within the CCL, use the information in the "License Requirements" section to determine if a license is required. You also must check the Country Chart (Supplement 1 to Part 740 of the EAR) to ensure that a license is not required for shipments going to that country. It is possible that the product itself may not require a license, but due to the country of destination or end-user, the shipment may still need an export license. For products that do require a license, the CCL also lists the reasons for control of the product: AT is Anti- Terrorism; CB is Chemical and Biological Weapons; CC is Crime Control; EI is Encryption Item; MT is Missile Technology; NS is National Security; NP is Nuclear Nonproliferation; RS is Regional Stability; SS is Short Supply; XP is High Level Computers; and SI is Significant Items. Where Can I Go For Further Assistance? For additional information concerning export licenses, determining an ECCN and/or filling out Form 748P, you may contact the BIS Office of Exporter Services, Outreach and Educational Services Division at (202) 482-4811, or by fax at (202) 482-3617. The BIS Western Regional Offices can be reached at (949) 660-0144 in Southern California or at (408) 998-7402 in Northern California.

What would cause computer speakers to not work after you unplugged them and then plugged them back in?

If you performed this task with the computer running (power on), you may have shorted out the sound card. Always, when installing or removing any electrical/sound connection from the back of a PC, turn it off first.

What year did the CD burner come out?

i dont really know but i espect 200 me dont know Raaaahhhh!!!!!

How do you access the ScanDisk utility?

1. To access the ScanDisk utility, click on My Computer. Right click on your main drive (usually 'C'). Select Properties. Click on the Tools tab. Click Error Checking.

What are control chips?

Integrated circuits on a silicon chip and encapsulated with pinouts, to solder into a circuit.

They are dedicated to do one job, but may contain a microprocessor within them.

The input lines allow commands to be set up and modified.

The output lines control something, like a motor, servo, display, lights etc.

How can you get USB high speed controller?

First to have USB2.0 (Hi-Speed) capable hardware. Only in Windows XP Service Pack 1 (SP1) USB2.0 is not supported and USB2.0 drivers have to be installed manually.

To know is you have USB2.0 drivers & hardware:

In Window XP:"Right click my computer, then "manage", select device manager and scroll down to USB controllers. Click the + then look for the word "Enhanced" in either of the host controller listed. If there's 1 with Enhanced, then you have USB2.0 capable hardware.

See the related link for more info about USB1.1 and USB2.0

What are opinions on the Asus X800XL PCIE graphics card?

Fast 3D performance Very good 2D quality Decent video capture quality Dual DVI Slightly costlier Massive box Poor TV-out quality Weak overclocking (our sample anyway) This was a very nice card to play with, and shows that the x800XL cards are the sweet spot for ATi cards right now. Asus has done well, but there is nothing included that justifies the price difference between it and similarly equipped cards. If you find this info useful please vote!!!

How do you run tata sky on Pinnacle TV tuner card?

Without cable, one channel only-AnswerWith Dish TV and and Sky you cannot watch multiple channels, but atleast you would get ONE channel after scanning for channels on your TV tuner, and that would be changable only from your set top box.

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1.Install a DVB-S2 TV Tuner Card on your PC

2.Connect the satellite cable

3.Install a phoenix card reader on your PC(connect by USB port)

4.Insert the smart card(issued by TaTa Sky)

5. Scan channels on your PC.

(By www.pctvshop.com online shore technical team)

Who operates and uses the largest supercomputer in the US?

Currently (June 2010) the fastest supercomputer in the US (and, indeed, the world) is Jaguar at Oak Ridge National Laboratory. China's Nebulae at the National Supercomputing Center in Shenzhen has a higher theoretical peak performance, but loses out (by a small amount) in real-world tests.

If you mean physically... I'm not aware of any listing. Many distributed computing solutions can grow quite large (though physical size does tend to impact performance to some extent for most problems). Virtual supercomputers such as the Great Internet Mersenne Prime Search project or SETI@Home extend literally worldwide.

Is an infrared port faster then a serial usb or firewire port?

Depending on what speed your infrared port is. It is normally faster to use a fire-wire port.

How many central processors are there in modern computers?

Number of Processors in a Computer depends on the type of Computer. If it is a Server Computer then it use Multiple Processors based Motherboard to serve with fast operations whereas normal Home based computers are machines with single Processors.

Nowadays CPU can comprise of Multiple Cores of CPUs on a single fabric, for eg. Intel Dual Core, Core2Duo & Coe2Quad CPUs.