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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 is a ground loop isolator?

Ground loop isolators are used to break the DC circuit path for the audio shield ground circuit. It removes ground loops from the system, which are unwanted.

What are shortcut keys for character formatting?

Most popular key sequences to format a character or a block of text:

  • Ctrl-I (italic)
  • Ctrl-B (bold)
  • Ctrl-U (underline)

What is the best power supply rating for a computer?

Not sure what type of Motherboard do you and waht video are you going to use and what memory us use .. basically what wattage your system need as minuim via their manual then I would add 50% more wats to make it stepped up not to dies out quickly then finially decide what powersupply have equal or more watts to what i calculated then but best one that is most cost efcective .. with a good warrenty included.

What are the advantages of 8 bit computer architecture?

16 bit has 16 bits of memory and 8 bit have 8 bit of memory these are words of broadside transfers . Assume the main clock as fix timing just by transmitting 16 bits Vs 8 bits we have double the information available to the CPU.

How does ATM work in WAN?

This is a very large question. ATM is an extremely complex protocol. In general, however, it differs from other technologies in a few ways:

- It chops frames into 53-byte cells. It does this in order to more easily guarantee transmission according to desired Quality of Service parameters.

- It creates private virtual networks over service provider WANs. It has been largely supplanted by MPLS, however.

- It can create Virtual Paths and Virtual Circuits on-demand. It's still the only data networking technology that will do this, however MPLS does emulate this functionality by allowing more granular QoS control, due to newer and more advanced hardware/software.

What is a major difference between a desktop and a laptop?

Desktops have expansion ports (PCI ports) where you can add new cards such as sound cards or network cards. Laptops often only have a single bay for this purpose.

Desktops tend to have better performance because they don't have to run on batteries. That means the processors and video card can be designed to use more power and can take up more space. Hard drives are similarly faster and have higher capacity (in general).

In general, its is much cheaper to build a high performance desktop PC than it is to build a high performance laptop due to the power, size, and heat constraints that a laptop has.

Can you use any HDMI cable to connect computer to TV with HDMI port in both PC and tv?

Generally, televisions only have HDMI inputs. If there is an HDMI output, it may be possible to connect it to the input of another television although HDMI outputs from televisions are frequently limited in their functionality. Check the manual of the television for confirmation of the capabilities.

What are four items found in a hardware system in a computer?

Four common items of hardware found in a personal computer today are the motherboard (mainboard), hard disk drive (HDD), central processing unit (CPU), and random access memory (RAM).

How does Hardware Interact?

hardware interact by means of calculating a large amount of data into your software .

What does IEEE stand for?

The acronym IEEE stands for "Institute of Electrical and Electronics Engineers."

This is a non-profit US-based professional organization for engineers, which promotes cooperative development, common standards, and technical innovation.

Why is it important to know the processing speed and measurement when buying a computer?

There is more to it then that. Some processor's that have a speed of 3.0GHz can process less data then one that is 1.7 GHz.

To answer your question, because you could spend a thousand dollars and get a slower

computer then one for 700.00.

What are the five components of an information system of a computer?

Information system has five parts: people, procedures,software,hardware and data. People: It's easy to overlook people as one of the five parts of a microcomputer system.Yet this is what microcomputers are all about--making people,end users like yourself,more productive. Procedures:The rules or guidelines people follow when using software,hardware ,and data are procedures.Typically,these procedures.Typically,these procedures are documented in manuals written by computer specialists.Software and hardware manufacturers provide manuals with their products. Software: A program consists of the step-by-step instructions that tell the computer how to do its work.Software is another name for a program or programs.The purpose of software is to convert data(unprocessed facts) int information(processed facts). Hardware: The equipment that processes the data to create information is called hardware.It includes the keyboard ,mouse,monitor,system unit,and other devices.Hardware is controlled by software. Data: The raw,unprocessed facts,including text,numbers,images,and sounds are called data.Examples of raw facts are hours you worked and your pay rate.After data is processed through the computer,it is usually called information.An example of such information is the total wages owed you for a week's work.

What should i do when PC hang?

By pressing Ctrl-Alt-Delete, the most famous key combination and choosing Log Off from the menu that appears. This only works with Windows 7 and Windows Vista. For Windows XP, pressing Ctrl-Alt-Delete will bring up the Task Manager. If that's your case, go to the Shut Down menu in the Task Manager.

Is there anything you can get to give your computer more GHz?

If by "get more GHz" you mean speed up your processor, it's a lot harder to do on a laptop. You could overclock it, but most laptops have very few options for overclocking and overheat easily due to the excess heat created. If you need a faster computer, I recommend buying a desktop (which you can actually overclock) or upgrading to a better laptop.

Here is a great overclocking guide:

http://sharkyforums.com/showthread.php?t=300298

What is AGP?

AGP (Accelerated Graphics Port) is a computer bus designed for video cards. It is faster than PCI, but has been supplanted by PCI-E.

AGP, or Advanced Graphics Port allows the use of a high speed graphics card which can considerably improve performance of the computer video. The AGP slot only provides the possibility of improved graphics, next you need to get a high quality AGP CARD.

What is the maximum length of a usb hi speed cable?

Hi-Speed USB cables can be up to 5 meters (16 feet, 5 inches).

Some people sell USB extension cables, but these are outside the USB specification. The electrical characteristics of the cable are important. Chaining them adds too much delay, resistance and capacitance. You might get lucky, or you might not.

Why is it harmful to turn off power to your computer without first shutting it down?

Almost all computers have tasks that are either ongoing or need to be done before it is shut down, thus, cutting the power to it could have negative effects on it, as compared to allowing it to communicate to these tasks that it needs them to either run or stop, and letting them do what they need to do.

How does a price scanner work?

A price scanner is often found in supermarkets and they allow customers to check the price of any given product. A price scanner works by reading the bar code.

How are the three components of the computer related to each other?

Assuming those 4 elements are the processor, memory, hard drive and motherboard. The hard drive stores all your files no matter if the computer is on or not. The memory is were the files from your hard drive go so the files can be easily managed since memory is much faster then the hard drive (mechanical vs. electrical). The processor handles all of the operations of the computer and the motherboard is the highway system that transfers the information to the various components.
The four elements of the computer are:

1 hardware

2 software

3 operating system

4 application programs The four elements of the computer are:

1 hardware

2 software

3 operating system

4 application programs The four elements of the computer are:

1 hardware

2 software

3 operating system

4 application programs The four elements of the computer are:

1 hardware

2 software

3 operating system

4 application programs

What are the health and safety risks when installing hardware?

Firstly, make sure you have cut off power to the machine (unplugged it, removed any batteries etc). Also, make sure you are grounded at all times. To do this, you can use a grounding strip. Make sure that the hardware components and cables aren't visibly damaged before you plug the machine back in.