Published on July 8, 2009 by omahinfo
Tentunya akan sangat repot jika anda harus mengingat alamat suatu web site dengan http://64.4.54.7 dibandingkan dengan http://www.hotmail.com . Fungsi utama dari DNS adalah merubah no IP menjadi nama yang lebih mudah untuk diingat. Setiap kali anda menuju ke suatu server dengan nama, computer akan mencari ke DNS server yang ditunjuk untuk menanyakan alamat IP dari nama tersebut kemudian melakukan koneksi ke alamat IPnya. Tanpa alamat IP, komunikasi tidak akan bisa dilakukan.
Jadi anda bisa juga melakukan browsing dengan langsung mengetikkan alamat IP yang lebih susah diingat tapi hal ini tentunya lebih cepat Karena computer tidak perlu lagi menghubungi DNS server untuk menanyakan alamat IP nya. Kekurangan dengan menghafal alamat IP yang lain adalah seringkali alamat IP berubah-ubah karena server yang berpindah tempat atau berpindah ISP nya sehingga alamat IP berubah tapi namanya tetap sama.
HOST File
Host file yang digunakan untuk mengidentifikasikan nama host dan alamat IP. Fungsi host file bisa dikatakan hampir sama dengan DNS hanya pada HOST file bersifat flat dan local. Setiap entry juga harus ditambahkan secara manual pada HOST file ini.
Anda bisa juga mempercepat browsing anda dengan menambahkan alamat IP dan nama sehingga ketika anda browsing, computer tidak menanyakan lagi ke DNS server tapi langsung mengambil entri dari HOST file. Secara default lokasi dari HOST file ini adalah : /systemroot/system32/drivers/etc
12 Comments, Filed under:
Uncategorized Tags:
alamat,
browsing,
diingat,
ditambahkan,
dns,
entry,
file,
host,
hotmail,
ip,
Komputer,
komunikasi,
koneksi,
langsung,
lokal,
menanyakan,
mengetikkan,
mengidentifikasikan,
mengingat,
merubah,
mudah,
next,
repot,
server,
susah,
unsoed,
web
Published on June 15, 2009 by omahinfo
Since the first computer was made in the late fifties, the technology has developed extremely. Computers which took the place of a living-room then are now being made not much bigger than credit cards! More and more areas are being taken over by the computer. The world is being computerized!
As computers are capable of handling large amounts of data ina very short time, they are well-suited for word processing. It won’t be long before all paper archives are replaced by magnetic tapes and CD-ROMs. Even a 1.44 megabytes (MB) diskette can hold hundreds of times more information than a written page. And it takes up less space, too!
In the near future, maps and road directories will be replaced by CD-ROMs. A single CD is sufficient to store all the information on the different routes within a state or even a country; not to mention much more information and tips to short-cuts from one point to another. In fact, some would-be prophets of the computing world have firmly declared that drivers in the future would only have to insert the CD-ROM that contains the route map into the car’s computer and the car will automatically drive him to his destination!
Virtual reality is also currently being tested in a big way. Although still in its infancy, virtual reality research has made great headway. With sophisticated electronic gadgetry, virtual reality machines can make an experience frightfully real. Using a powerful computer and microsensors, a person can simulate reality and experience flying a jet fighter, swimming beneath the ocean among fish or any other experiences the system has been programmed to simulate. The National Aeronautics and Space Administration (NASA) of the United States have used this technology successfully to train its astronauts.
Now, let us a take a look closer to home. The urban children of today know not the simple joys of flying kites or shooting marbles. They get their fun out of computer and video games! In a way, it is a great advantage that children are being exposed to computers at an early age because they will definitely have to use them later as almost all schools now use computers and interactive teaching aids in teaching some difficult lessons.
Today, more than half of all the homes have a personal computer. People use the computer for personal budgeting, to calculate taxes, to surf the web or just to write a simple letter. Some home owners also have a dial-up connection with their workstations at work. Computer networking has made it possible to send and receive from one remote system to another. Therefore, these people can log on to their computers at work from their own homes if the need arises.
In conclusion, with all the rapid advancements in computer technology, it is quite safe to say that in the future there will be few occupations which do not employ computers in one way or another.
Post comment, Filed under:
Uncategorized Tags:
administration,
advantage,
aeronautics,
after,
age,
aids,
archives,
areas,
astronauts,
before,
beneath,
big,
bigger,
budgeting,
calculate,
capable,
cards,
CD,
CD-ROM,
children,
closer,
computerized,
conclusion,
connection,
country,
credit,
data,
declared,
destination,
developed,
dial-up,
directories,
diskette,
double,
drive,
drivers,
early,
electronic,
even,
experience,
exposed,
extremely,
fact,
far,
fifties,
fighter,
firmly,
first,
flying,
frightfully,
future,
gadgetry,
great,
handling,
headway,
hold,
infancy,
information,
insert,
interactive,
jet,
joys,
kites,
large amounts,
late,
less,
lesson,
living-room,
machines,
made,
magnetic,
maps,
marbles,
megabytes,
mention,
microsensors,
much,
NASA,
national,
near,
networking,
next,
occupations,
over,
page,
place,
point,
powerful,
processing,
prophets,
real,
replaced,
research,
road,
route,
schools,
shooting,
short,
short-cuts,
simulate,
single,
sophisticated,
space,
states,
store,
sufficient,
surf,
swimming,
takes,
tapes,
taxes,
teaching,
technology,
time,
Tips,
took,
town,
train,
united,
urban,
way,
web,
well-suited,
word,
world,
written
Published on June 5, 2009 by omahinfo
Nggak mau kalah dengan browser Mozilla firefox, internet explorer, google chrome, flock, ataupun browser-browser yang lainnya, ternyata browser opera pun mengeluarkan versi terbarunya. Browser Opera 10 versi Beta telah tersedia untuk diunduh pengguna internet. Berbagai fitur-fitur baru pun ditawarkan dalam rilis ujicoba ini.
Versi beta pertama dari Opera 10 telah tersedia untuk diunduh. Berbagai fitur baru akan menghiasi piranti lunak perambah web ini.
Fitur pertama yang dikedepankan perusahaan asal Norwegia itu adalah opera Turbo. Fitur Turbo memungkinkan pengguna mempercepat akses internet sekaligus menghemat bandwidth.
Hal lain yang dikedepankan browser perusahaan yang berbasis di Oslo ini, adalah desain dari piranti lunak tersebut. Jon Hicks, desainer terkemuka, telah melakukan permak pada tampilan Opera 10 dan akan siap untuk digunakan pada Opera 10 versi final nantinya.
Tab pada Opera 10 kini bisa dilebarkan sehingga menampilkan thumbnails dari situs-situs yang sedang dibuka dalam berbagai tab tersebut. Kemudian, fitur Speed Dial yang muncul untuk setiap Tab baru kini bisa dikustomisasi lebih jauh.
Selain itu masih banyak fitur lain yang mulai tersedia pada Opera 10 Beta, termasuk cek ejaan hingga tampilan klien e-mail yang lebih baik. Opera pun tetap mengusung dukungan penuhnya pada standar web yang memudahkan bagi para desainer web.
“Kami punya lebih banyak kejutan yang sedang kami proses, tapi ketika Anda mencoba fitur-fitur ini, menikmati kinerja yang ditingkatkan dan mengintip penampilan baru kami yang menarik, saya yakin Opera 10 beta akan menarik perhatian pengguna, baik pengguna lama atau pun yang baru mengenal Opera,” ujar Jon von Tetzchner, CEO, Opera Software.
Tertarik untuk mencoba? Penasaran untukmencoba? Opera 10 Beta tersedia gratis untuk pengguna Windows, Mac dan Linux lewat alamat http://www.opera.com/next/.
1 Comment, Filed under:
Artikel,
Info Komputer Tags:
10,
akses,
alamat,
baik,
bandwidth,
beta,
Browser,
cek,
CEO,
Chrome,
desain,
desainer,
dikustomisasi,
dilebarkan,
ditawarkan,
ejaan,
explorer,
firefox,
fitur,
flock,
Google,
gratis,
Internet,
Jon Hicks,
Jon von Tetzchner,
kalah,
kejutan,
klien,
linux,
lunak,
mac,
mau,
memungkinkan,
mengeluarkan,
menghemat,
menghiasi,
mengintip,
mozilla,
mulai,
next,
nggak,
Norwegia,
nyoba,
opera,
opera Turbo,
Oslo,
penasaran,
pengen,
pengguna,
perambah,
perusahaan,
piranti,
proses,
rilis,
speed dial,
standar,
tampilan,
terbaru,
tersedia,
tertarik,
thumbnails,
ujicoba,
unduh,
upload,
versi,
web,
windows