My computer

Sound quality is a personal Decision:- sound quality is a very personal judgement,like cars,food or wine.Everyone’s tastes are different.There is no”best” speaker,only the one you think is best for you.When you shop for speakers, listen to several models with familiar music.Take your favorite discs with you when you shop and identify speaker  that sound good to you.Your experience in listening to live music is a good way to evaluate speakers.The speaker should natural to your ears, have balanced tone quality and should be easy to leasten to for long periods. Listen to the same speaker several times before making a final decision.

Software:- The operating is installed free of cost by the computer vendor(seller).But besides it,we need other software to do our work.The vendor may also install software packagelike Microsoft Office(Ms-word,Ms-Excel,Ms-powerpoint, Ms-Access etc.).We may also buy designing software like photo shop,Pagemaker etc. and install them in our computer.Most important of all,we must not forget to install Anti-virus software like Norton Antivirus,Panda, Macafee,Proctector plus etc.to protect our computer from virus.

My computer

c.ups:-It stands for uninterruptible Power Supply.IF we connected our computer system to a UPS then it protects our computer from voltage fluctuations. It also provides power failure so that we can save our work and shut down the computer.While buying a UPS,we should consider the backup time of theUPS.Some provide 10 minutes of backup and even more.
d.Speakers:- Speakers determine the overall sound quality of your system, so it's worth the time to leasten to several models before making a decision.the most important factors in choosing a speaker are personal preference,speaker type and the stereo components you will use to power your speakers.
Types of speakers:- There are many types of speakers: floorstanding,bookshelf, satellite, In-wall and on-wall models. your choice should be based on personal preference.Here's a summary of each type: FLoorstanding and bookshelf speakers generally have the best overall sound because the speakers and enclosures are performance matched. They take floor space, a consideration for some homeowners. Satellite speakers are very small speaker that are used with a subwoofer and take much less space.

My computer

Peripherals...............
Peripherical devices are those devices that may not be connected to the computer .But a computer will work without any peripheral devices too. They are used to only when their need arises.
a. Printer:- when we buy a printer, we have to consider three things:-speed, print quality and Maintence cost.Don't Matrix printers are used for printing huge amount of textual data because of their poor print quality.Inkjet or bubble jet printers can print in colour and monochrome both and they give good print quality.Laser printers give the best print quality at the higst speed but they are expensive.While buying a printe, we should first check the sample print out page
b.MODEM:- MODEM stands for MOdulation.If we want to have internet connection in our computer, then we need a modem.Modems are connected to a telephone through which data travels. Modems are of two types:- Internal modem and External modem.While buying a modem, we should also find out the speed of the modem. Higher the speed of the modem,more bits of information can be sent through the telephone line i.e. faster internet connection and surfing.

My computer

G, Monitor:- The most common monitors are 14 or 15 inch monitors that allows us to read the text easily but  larger screens of 17 or 21 inches help us to see texts or graphics better than the smaller ones.Monitors can be flat or curved faced but flat faced monitors are more popular these days.
h. Mouse:- There are different types of mice available in the market.Some have two buttons only where some have three buttons with scrool buttons. The most popular mouse is optical mouse, which do not have a mouse ball underneath it and so lasts longer.Even chord less mice are availavle.
i. Keyboard:- Keyboards are found in different types and shapes. The most commenly used keyboard has 104 keys on it.Now day keyboard has special keys used for multimedia and internet purpose is called  multimedia keyboard is widely used. Chord less keyboards are also available.If someine has to work for a longer period on computer, then one should buy an ergonomic keyboard that provides rest to the wrist of the user while they work.

My computer

 Now a  days SATA, cabling technaogeis replacing PAFT technology.Sata and PATA refer to the type of cable/jack used to connect the hard drive to the mother board.To put it bluntly PATA hdds are ancient. Sata has fewer  connecting wire then PATA.PATA had a max of 133 MB/s and SATA has  a max of 3GB/s. PATA is a pain to  install to. If you got a motherboard during 2007 or after it is SATA for sure.If you got it before then there is a chance it could be PATA.You can find out by looking at the connector.SATA is much thiner.
F.  CD-ROM drive:- CD-ROM stands for compact disk  read only memory.A CD-ROM drive is used for reading data from a CD. Most software these days are available on CDs. It is abailable in different speeds.More the speed,smoother is the video and sound it plays.If you want to play video from a CD,then you  can go for a CD-ROM drive with a transfer rate of 52x. At present,re-writable CD-ROM drives are abailable in the market,which helps us to creat CDs in our own computer!Now a days CD-RW(Compact Dixk- Read & Write),DVD ROM with CD-RW(Combo Drive) and  DVD-RW are also available on the market.























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