Jumat, 23 Juli 2010

It's Linux, Mom! Not Lennox.

It's Linux, Mom! Not Lennox.

Lennox is a global corporation specializing in air conditioning, heating, and commercial refrigeration. Dave Lennox helped to develop what has been described as the first riveted-steel furnace in 1895.

His "machine" having come a long way is amazing in it's own right, but it is not necessarily suited for business productivity. While it is surely compatible with outsourced services, Old Dave's Lennox may not readily lend itself to remote helpdesk or repair over the internet.

Linux, on the other hand, is a Unix-like computer operating system which not only fully lends itself to remote helpdesk, outsourced IT services, and computer repair over the internet, but can also be used to accomplish those tasks.

Unlike Lennox hardware, Linux is one of the most prominent examples of free software and open source development; its underlying source code can be freely modified, used, and redistributed by anyone (try that with Lennox).

Although it had already been around a few years, the Linux kernel was first released to the public 17 September 1991, for the Intel x86 PC architecture.

The kernel was augmented with system utilities and libraries from the GNU project to create a usable operating system, which later led to an alternate term, GNU/Linux.

Linux is now packaged for different uses in Linux distributions, which contain the sometimes modified kernel along with a variety of other software packages tailored to different requirements.

Predominantly known for its use in servers, Linux in gaining more and more popularity as a desktop operating system garnering the support of corporations such as IBM, Sun Microsystems, Dell, Hewlett-Packard and Novell.

It is used as an operating system for a wide variety of computer hardware, including desktop computers, supercomputers, video game systems (PlayStation 2 and 3 for example) and embedded devices such as mobile phones and routers most if not all of which lend themselves readily to repair over the internet, outsourced repair and even remote helpdesk services.

1960ish: A computer operating system known as UNIX was conceived.

1970: UNIX was released and widely used, modified and improved by business, academia, and the government .

1984; Richard Stallman quits his job at MIT and starts working on the GNU Project.

1985: Free Software Foundation, an organization for creating and promoting free software, is founded by Richard Stallman.

The GNU manifesto, a statement by Richard Stallman advocating the cause of free software movement, is published in the March 1985 issue of Dr. Dobb's Journal

1991: MINIX was written from scratch by Andrew S. Tanenbaum, a US-born Dutch professor who wanted to teach his students the inner workings of a real operating system. It was designed to run on the Intel 8086 microprocessors that had flooded the world market.

MINIX was by no stretch of the imagination a supberb operating system. But for the first time the source code was available. Anyone who happened to get the book 'Operating Systems: Design and Implementation' by Tanenbaum could get hold of the 12,000 lines of code, written in C and assembly language. For the first time, an aspiring programmer or hacker could read the source codes of the operating system, which to that time the software vendors had guarded vigorously.

Following in quick succession, Linux was first envisaged by a a second year student of Computer Science at the University of Helsinki and a self-taught hacker, Linus Torvalds. At the time it was just another hackers hobby. But from the humble Intel 386 machine of Linus that ran the first kernel, Linux has come a long way. Its most notable use now is in the field of massively parallel supercomputing clusters.

Version 0.01 is released on the Internet in September.

1992:

January: First Linux Newsgroup: alt.os.linux founded in the UseNet

April: Ari Lemmke starts the popular Linux newsgroup comp.os.linux in the UseNet

November: Adam Richter announces the release of the first Linux Distribution from his company: Yggdrasil

1993:

June: Slackware, the famous Linux distribution is released by Peter Volkerding

August: Matt Welsh releases Linux Installation and getting started: version 1

1994: Linux kernel version 1.0 is released in March.

While Lennox has several models, Linux has many more. And even though Lennox has been around a lot longer (you know Dave Lennox died in 1947), Linux has achieved between 50-80% market share of the web server, render farm, and supercomputer markets and is growing daily on desktops a feat even old Dave couldn't pull off.

So, Mom, now do you understand? Mom! Mom!

tmm

Source: Free Articles

VIRUS KOMPUTER

Virus komputer merupakan program komputer yang dapat menggandakan atau menyalin dirinya sendiri dan menyebar dengan cara menyisipkan salinan dirinya sendiri ke dalam program atau dokumen lain. Virus komputer dapat dianalodgikan dengan virus biologis yang menyebar dengan cara menyisipkan dirinya sendiri ke sel makhlik hidup.
Virus komputer dapat merusak ( misalnya dengan merusak data pada dokumen), membuat pengguna komputer merasa terganggi, maupun tidak menimbulkan efek sama sekali.

Virus komputer umumnya dapat merusak perangkat lunak komputer dan tidak secara langsung merusak perangkat tertentu misalnya VGA, memory, bahkan processor.
...
...
...
ada beberapa langkah untuk melakukan pencegahan agar virus tidak masuk dan merusak file yang ada pada komputer anda.
1. pastikan pada komputer anda terinstall anti virus terbaru dan terbaik menurut anda.
2. pastikan anti virusnya terupdate dalam suatu periode tertentu.
3. waspadai pemakain flashdisk, memory card, harddisk eksternal dan media penyimpanan lainnya.
4. jangan mengunjungi situs-situs tertentu seperti situs-situs porno, situs cracking dan hacking.
5. dan masih banyak lagi

materi lengkap mengenai VIRUS KOMPUTER dapat anda download.

selamat mencoba!!!!

anti virus free

ada antivirus gratis neh....
nama antivirus seh ANSAV, filenya gak terlalu besar tetapi punyak ketangguhan dalam membunuh virus-virus yang relatif gak terlalu ganas dan ada juga yang ganas seperti virus sality32 (virus yang merusak system windows) nb: dari pengalamnku loh...hehehehehe, dicobain aja...capa tahu cocok...
silahkan download anti virus ansav-beta di sini.

Minggu, 18 Juli 2010

PROSEDURE FUNGSI

PROSEDUR FUNGSI merupakan sebuah tipe prosedur yang menghasilkan sebuah nilai. Prosedur fungsi ini juga merupakan sun program atau pecahan program dalam bagian-bagian yang lebih kecil.
Anda dapat menggunakan prosedur fungsi untuk menyuplai nilai ke dalam sebuah ekspresi dan memasukannya ke dalam procedur fungsi lain.
...
...
Menuliskan prosedur funngsi.
Di dalam visual basic, prosedur dan fungsi sngatlah dibedakan. Perbedaan yang utama:
1. prosedur tidak menghasilkan nilai
2. fungsi menghasilkan nilai
Sedangkan dari segi pendeklarasian dan penulisannya:
-prosedur menggunakan kata kunci sub dan diakhiri dengan end sub
-fungsi menggunkan kata kunci fungsi dan diakhiri dengan end fungsi
...
...
ATURAN PENULISAN:
Fungsi PanjStr(teks)
PanjStr=Len(trim(teks))
End fungsi
...
...
MATERI LENGKAP DAN CONTOH PROGRAM DAPAT ANDA DOWNLOAD DI
...
PROSEDURE FUNGSI.

...
selamat belajar!!!!

array satu dimensi pada c++

array adalah variabel sejenis yang berderet-deret sedemikian rupa sehingga alamatnya saling bersambung atau bersebelahan / berdampingan (contiguous).
....
array satu dimensi atau kadang-kadang disebut array dimensi satu biasa disebut vector karena hanya mempunyai satu arah.
....
materi lengkapnya dapat download di ARRAY SATU DIMENSI PADA C++.

contoh kode program untuk input dan cetak isi array:
#include
#include
void main()
{int i,x,A[11];
for (i=0; i<=4; i++)
{
...
...
getche();
}

untuk kode program dengan contoh lain dapat anda download di KODE PROGRAM ARRAY.


selamat mencoba dan banyak latihan yah!!!!!!!!!!