Types of Computer Hardware

Computer hardware is a physical part of a computer that executes within the hardware. It is unlike computer software or data that can be frequently changed, modified or erased on a computer. Computer hardware is not frequently changed and so is stored in hardware devices such as read only memory (ROM) where it is not readily changed.

Most computer hardware is embedded and so is not visible to normal users. Below are the different types of hardware's found in a computer.

• Motherboard: It is the central or primary circuit board making up a complex electronic system such as a computer. A motherboard is also known as a main board, logic board or system board.
• Central processing Unit: A CPU is the main component of a digital computer that interprets instructions and process data in computer programs.
• Random Access Memory: A RAM allows the stored data to be accessed in any order. RAM is considered as the main memory of the computer where the working area is used for displaying and manipulating data.
• Basic Input Output System: BIOS prepares the software programs to load, execute and control the computer. Power Supply: Power Supply supplies electrical energy to an output load or group of loads.
• Video Display Controller: It converts the logical representation of visual information into a signal that can be used as input for a display medium.
• Computer Bus: It is used to transfer data or power between computer components inside a computer or between computers.
• CD-ROM drive: It contains data accessible by a computer.
• Floppy disk: It is a data storage device
• Zip Drive: It is a medium capacity removable disk storage system.
• Hard Disk: It is a non-volatile data storage system that stores data on a magnetic surface layered unto hard disk platters.

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Text From Pc to Cell Phone

Text from PC to Cell Phone

Believe it or not, the best way of sending those cheeky as well as important SMS is not through your cell phone. Surprised? But moreover you think about it, you will definitely be even more surprised to know that not only it is easy and secure but sending SMS through your PC is completely free as well. No this no kind of a joke or grey offer with some catches. Using your PC for sending the SMS is altogether a new way of using this service. And people who have used it can vouch for the complete clarity of the service that is offered by the website, like www.cellphonemessagesender.com. Not only sending SMS is free but the whole process turns out to be more easier than using the small keypad of your cell phone. Lets learn more about sending text from PC to cell phone.

The online texting or sending SMS online is a new and exciting way that is fast catching up. Better seen as a need rather than a leisure activity online texting is the easiest way of staying connected with those you always wanted to. You can send as many SMS or texts online as there is no limit defined by the website. The whole process is very easy and can be used by a general user with basic knowledge of computers and Internet. Sending texts online saves time and compared to your cell phone billing plan is absolutely free of cost.

To start with sending online texts to any subscriber across the United States you have to visit the aforesaid URL and follow some really simple steps mentioned therein. The first step starts with entering receiver’s cell phone number in the mentioned field. Do not to use dashes or other characters other than the number. The second step allows you to enter the subject of the message you want to send. It is useful in identifying the content of the message. Finally you can enter your message that should be not more than 140 words, so enter precise message and continue to the last step. The last step is to choose the receivers cellular service provider from the given options and then click on the send text message button to send the message.

Not only this service is 100% free but the service providers also ensure that you get the service to every region of the United States and that is why almost every cellular service provider is listed on the website. It is also taken care that the receiver never receives spam message or advertisement on the given number. So the next time you use online text services be certain that your message will be delivered in no time and as guaranteed absolutely free. Play pranks with your friends because with the anonymous text messaging, which means your friends will never know who sent them the text message! So enjoy sending those absolutely free texts online using the free online SMS service and bring a smile on many faces.

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Difference Between Analog and Digital?

Analog and Digital
As a technology, analog is the process of taking an audio or video signal (the human voice) and translating it into electronic pulses. Digital on the other hand is breaking the signal into a binary format where the audio or video data is represented by a series of "1"s and "0"s. Simple enough when it's the deviceanalog or digital phone, fax, modem, or likewisethat does all the converting for you.

Digital versus analog can refer to method of input, data storage and transfer, the internal working of an instrument, and the kind of display. The word comes from the same source as the word digit and digitus.
The digital technology breaks your voice (or television) signal into binary code a series of 1s and 0s transfers it to the other end where another device (phone, modem or TV) takes all the numbers and reassembles them into the original signal. The beauty of digital is that it knows what it should be when it reaches the end of the transmission. That way, it can correct any errors that may have occurred in the data transfer. What does all that mean to you? Clarity. In most cases, you'll get distortion-free conversations and clearer TV pictures. The nature of digital technology allows it to cram lots of those 1s and 0s together into the same space an analog signal uses. Like your button-rich phone at work or your 200-plus digital cable service, that means more features can be crammed into the digital signal. Digital offers better clarity, but analog gives you richer quality. Digital like the VCR or the CD is coming down in cost and coming out in everything from cell phones to satellite dishes.

Phone lines

Digital lines are found in large, corporate phone systems. Though digital lines carry lower voltages than analog lines, they still pose a threat to your analog equipment.

Analog lines also referred to as POTS (Plain Old Telephone Service), support standard phones, fax machines, and modems. These are the lines typically found in your home or small office

There are digital-to-analog adapters that not only let you use analog equipment in a digital environment, but also safeguard against frying the internal circuitry of your phone, fax, modem, or laptop.

Cordless phone

The very nature of digital technologybreaking a signal into binary code and recreating it on the receiving endgives you clear, distortion-free cordless calls.

Cordless phones with digital technology are also able to encrypt all those 1s and 0s during transmission so your conversation is safe from eavesdroppers. Plus, more power can be applied to digital signals and thus, you'll enjoy longer range on your cordless phone conversations.

The advantage to analog cordless products? Well, they're a bit cheaper. And the sound quality is richer. So unless you need digital security, why not save a few bucks and go with an analog phone? After all, in home or small office environments where you may be the only cordless user, you won't have any interference issues.

Keep in mind, when talking about digital and analog cordless phones, you're talking about the signals being transferred between the handset and its base. The phones themselves are still analog devices that can only be used on analog lines. Also, the range of your cordless phoneanalog or digitalwill always depend on the environment.

Cellular Phones

Perhaps the most effective use of the digital versus analog technology is in the booming cellular market. With new phone activations increasing exponentially, the limits of analog are quickly being realized.

Digital cellular lets significantly more people use their phones within a single coverage area. More data can be sent and received simultaneously by each phone user. Plus, transmissions are more resistant to static and signal fading. And with the all-in-one phones out nowphone, pager, voice mail, internet accessdigital phones offer more features than their analog predecessors.

Analog's sound quality is still superioras some users with dual-transmission phones will manually switch to analog for better sound when they're not concerned with a crowded coverage areabut digital is quickly becoming the norm in the cellular market.

Better Sound Quality
Digital offers a better quality of sound. Proponents of digital claimed too that because digital scrambled up the signals into bursts, it was more secure than analog and can help thwart "cloning," an act of grabbing phone account information over the air in order to copy then resell that information for piracy purposes. By some industry estimates, close to $650 million in wireless services has been coveted by these big-eared crooks, which only adds onto the operator's bottom line a cost that is eventually passed on to the customer. Digital has stronger battery life than analog, and for the most part, better, more modern features on the phones.

Read more: http://www.articlesbase.com/communication-articles/difference-between-analog-and-digital-69824.html#ixzz17nEfg0Y1
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Kebebasan Finansial Secepatnya!

Hari ini jum'at 10 desember 2010, pagi-pagi sekali saya sudah bangun untuk melaksanakan perintah sang pencipta. Dengan tubuh yang masih sedikit mengantuk saya berjalan kearah kamar mandi kemudian masuk kedalamnya. Ketika melihat cermin, wow tampan sekali saya hari ini (memuji diri sendiri hehe..). Setelah melihat diriku di cermin badan terasa sedikit lebih segar, saatnya untuk mengambil wudhu. Setelah mengambil wudhu tentulah saya lanjutkan untuk bermunajat di hadapan sang khalik.

Taukah apa yang pertama kali terlintas dipikiranku hari ini? "saya harus memiliki kebebasan finansial secepatnya!" itu yang saya pikirkan.

Semua orang pasti memiliki pikiran yang sama seperti saya. Ingin memiliki kebebasan finansial, bisa membeli apapun yang ia inginkan. Saya selalu membayangkan saya akan mempunyai mobil yang akan saya beli menggunakan uang saya sendiri. Dan saya yakin itu pasti terwujud. Betapa bahagianya saya ketika suatu saat bisa menanyakan hal seperti ini kepada kedua orang tua saya: "pah, mah mau dibeliin apa pas nanti lebaran?" dan pastilah kedua orang tuaku bisa bangga akan semua itu. Dan pada saat ingin pulang ke kampung halaman selalu saja dana menjadi masalah utamaku untuk memilih transportasi apa yang saya pakai. Karena masih menggunakan dana dari orangtua tentu saja saya memilih yang murah. Saya selalu membayangkan ketika hendak pulang ke kampung halaman masalah utama tadi tidak terpikirkan lagi olehku karena sudah mendapatkan kebebasan finansial.

Saya membayangkan ketika adik-adik ku membutuhkan sesuatu saya dapat mewujudkannya tanpa harus meminta kepada orangtua ku.

Hal-hal diatas adalah yang selalu saya bayangkan setiap hari. Memikirkan bisa memiliki banyak uang dan dapat membantu orang-orang yang saya sayangi dan orang-orang yang membutuhkan. Tidak menutup kemungkinan hal-hal diatas akan terwujud nantinya. Amien ya rabb..
Sekian untuk pagi ini. Semoga apa yang kita cita-cita kan dapat terwujud secepatnya. Tetap semangat dan konsisten sama yang kita jalani saat ini adalah kunci keberhasilan yang paling baik.
Akhir kata wassalam and god bless us all.

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Sedikit Curahan Hati

Saat ini adalah masa-masa sulit bagi saya. Berada di tempat yang baru bagi saya adalah hal yang membutuhkan proses untuk beradaptasi dan membaca situasi. Orang-orang yang ada sangat-sangat berbeda dibandingkan dengan yang ada di kampus saya yang lama. Selain perlu beradaptasi, saya juga perlu mengenal lebih jauh satu persatu personal yang ada. Watak-watak mereka, serta perangai mereka. Menurut sebagian orang mungkin ini adalah hal yang mudah. Namun bagiku ini hal yang cukup rumit. Karena memahami seseorang adalah pekerjaan yang gampang-gampang susah.

Selain itu keuangan yang dikeluarkan juga tidak sama pada saat di kampus yang lama. Uang parkir yang harus saya keluarkan setiap harinya, uang bensin setiap pekannya, uang makan setiap hari dan lain-lain yang membutuhkan pengaturan agar tidak keteteran dalam keuangan.

Dan lagi ketika dana-dana tak terduga yang keluar seperti di tilang polisi yang sedang mencari nafkah (cape deh..) dan lain sebagainya.
Pada hal ini ilmu manajemen saya sangat-sangat diperlukan. Dengan mengandalkan dana dari orang tua saya sangat tidak enak. umur yang menurut saya sudah sangat pantas menghasilkan uang dan tidak bergantung lagi kepada orang tua. Saya memutuskan untuk kembali ngeblog dan ingin mendapatkan earning dari blog-blog yang saya miliki.
Semoga keputusan ini dapat di jabah sama sang khalik dan memberikan rezeki yang pantas untukku.
Amien.

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