Computer Hardware

Computer Hardware:- It is best described as any physical component of a computer system that contains a circuit board, ICs, or other electronics. A perfect example of hardware is the screen on which you are viewing this page. Whether it be a computer monitor, tablet or Smartphone; it’s hardware.
Without any hardware, your computer would not exist, and software could not be used. The picture is a Logitech webcam, an example of an external hardware peripheral. This hardware device allows users to take videos or pictures and transmit them over the Internet.

Types of Hardware:-

Hardware

Internal Hardware External Hardware

Internal Hardware:- Hardware that is found inside your computer and may be found in a computer is known as internal hardware.

Ex. Internal Hardware:-
1. Motherboard
2. Processor
3. Fan
4. Heat Sank
5. RAM
6. Rom
7. Network Card
8. Sound Card
9. SMPS(Switched Mode Power Supply)
10. Modem

1. Motherboard:- It is known as main part of the computer. It is also known as System Board.It is the main printed board which contain socket that accept power and communicate with CPU and RAM.
2. Processor (CPU):-A processor handles all instruction that receives from hardware and software.
3. Fan:- A hardware device that keeps the overall computer or a computer device cool by circulating air to or from the computer or component. The picture is an example of a fan on a heat sink. It is located on the top of the processor or CPU. That helps to pull bellow hot air of the processor and helping cooler.
4. Heat Sink:- A heat sink is an electronic device that incorporates either a fan or a palter device to keep a hot component such as a processor cool.
5. Network Card:- It is an expansion card that enables a computer to connect to a network; such as a home network, or the Internet using an Ethernet cable with an RJ-45 connector.
6. Sound Card:- A sound card is an expansion card or IC for producing sound on a computer that can be heard through speakers or headphones. Although the computer does not need a sound device to function, they are included on every machine in one form or another, either in an expansion slot or built into the motherboard (onboard).
7. SMPS(Switched Mode Power Supply):- A switched-mode power supply (SMPS) is an electronic circuit that converts power using switching devices that are turned on and off at high frequencies, and storage components such as inductors or capacitors to supply power when the switching device is in its non-conduction state.
8. Modem:- A modem modulates outgoing digital signals from a computer or other digital device to analog signals for a conventional copper twisted pair telephone line and demodulates the incoming analog signal and converts it to a digital signal for the digital device.
External Hardware:- Hardware that found outside of the computer is known as External Hardware.

Ex. Of External Hardware.
1. Keyboard
2. Mouse
3. UPS
4. Microphone
5. Printer
6. Projector
7. Joystick
8. Speaker
9. Scanner
10. Projector

Restored Computer Hardware

Hardware is an aspect of your computer that doesn’t require the need to be changed that often, unlike software. So if your hardware shouldn’t need to be changed that often you want to make sure that when you purchase it you are buying a piece of hardware that will last.

A lot of people overlook the need and responsibility of PC hardware and instead concentrate primarily on software. Without the correct hardware your PC will fail to function correctly.

The term hardware can be fixed to many aspects of your computer, with the main aspect being your motherboard. The motherboard is classed as the heart of your computer; its main purpose is to provide electrical and logical connections. Without a motherboard your computer will not be able to function. Components such as external storage, controllers for video display and sound are attached to the motherboard via edge connectors and cables.

The central processing unit (CPU) is also found on the motherboard and acts as another important piece of computer hardware. The CPU performs most of the calculations which enables a computer to function. The CPU and the motherboard are found within the tower of your computer as is the computer fan, needed to keep your computer at a safe temperature and your power supply, which is obviously needed to ensure your computer has power to function. Along with all of these you will also find your computers sound card and graphics card within your computer tower. Your graphics card, also known as a video display controller, is important to your computer as it is what enables you to get a good resolution and without one you would not be able to watch videos, play games or even clearly see flash images on websites.

One last hardware feature of importance that is kept within your computer tower is the computers hard drive. The hard drive is the storage area of your computer system. All your programmes and applications as well as images, music, video and all forms of media that is on your computer are stored within your computers hard drive.

All of the previously mentioned hardware is stored in the tower of your computer but there are aspects of computer hardware that are visible on your computer such as removable media in the form of a CD drive, DVD drive, floppy disc and USB ports.

When it comes to buying these pieces of computer hardware most people head straight to the biggest brand store and pay over expensive prices for hardware that you could have got a lot cheaper from another avenue. If you are looking to buy computer hardware there are a number of options open to you rather than just buying new. For example there are computer fairs that are held, which sell all forms of computer hardware at very reasonable prices; if you know what you are looking for you will be able to find a great deal at a computer fair. However if you would prefer buying from a retailer have you considered buying used hardware? Please don’t be put off by the term used what is meant by this is you would be buying new hardware that has been returned by customers and restored by the retailer. Dell is a prime example of a store that frequently sells hardware that has been returned and has been repaired to new standards.

All of the equipment is new and only has minor issues such as a slight dent. Retailers such as Dell sell restored equipment within their store and also do so over the Internet on sites such as eBay. All of this equipment comes at a discounted price with around 10-40% being taken off the original price depending on the level of interest. So next time you require to purchase computer equipment, shop around instead of just settling for a high price.

Global Computer Hardware Industry – Growth of Different Segments

The impact of global recession on the computer hardware companies is left behind and they are back on the progress track. It seems that the forecasts that were made before recession are going to turn true. Different segments of the computer hardware industry are growing with improvement in their design and functionality and rise in their demand.

Not only the big hardware manufacturers, but the small and medium sized enterprises too are making big contributions towards the industry growth at a global level. Below you can find few sections that analyze the growth of computer hardware industry segments in different countries.

Before that, here is a list of the main segments of the computer hardware industry:

• Finished goods like computers and laptops.
• Networking hardware consisting of routers, modems, network cards, network adapters, hubs and switches and other components.
• Storage hardware ranging from the hard disks to the USB storage devices.
• Input and output peripherals like keyboard, mouse, scanners, video cards, speakers, headphones, game controllers and so on.
• System hardware consisting of motherboards, UPS, monitors and other components.

Personal Computer Market
In 2008, the global PC market generated the revenue of $203.7 billion that represented the compound annual growth rate of 8 percent from 2004 to 2008. The PC market in China had total worth of $21.8 billion in 2008 representing the total compound annual growth rate of over 14 percent. The United States PC market generated $50.6 billion in 2008 showing 3.8 percent compound annual growth rate.

An impressive growth of 42 percent was shown by the PC sales between October and December 2009 in the Indian market. The 52 percent of the desktops sold were contributed by the multinational computer companies and 13 percent by the Indian hardware manufacturers. The remaining 35 percent consisted of assembled desktops.

Growth of Other Segments
From October to December 2009, the Indian hardware market witnessed the 70 percent growth of laser printers. The dot matrix printers grew by 13 percent while the inkjet printers grew by 17 percent over the same period in India. The UPS market too recorded the growth rate of 28 percent during the period.

In Chin, the total revenue generated from the networking hardware was $4.8 billion in 2008. For the same year, the network hardware growth in the United States was $23 billion. The total revenue for the global network hardware market in 2008 was $112.8 billion. Also, the global storage hardware and peripheral market recorded the revenue of $160.3 billion in 2008.

The Future Trends
Going by the latest growth rate, the global hardware market is expected to attain the worth of $537.3 billion by 2012. The computer hardware manufacturers have started following the concept of green computer hardware manufacturing and this is further going to add to the profits of the computer hardware companies.

The small and medium sized hardware manufacturers from the developing countries like India have a great future in the computer hardware components. They along with the major players are going to take the computer hardware industry to a new level in the nearby future.