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Pengantar Teknologi Informasi. Pengertian Internet  Internet adalah kependekan dari Interconnected Network atau jaringan Komputer yang saling terhubung.

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Presentasi berjudul: "Pengantar Teknologi Informasi. Pengertian Internet  Internet adalah kependekan dari Interconnected Network atau jaringan Komputer yang saling terhubung."— Transcript presentasi:

1 Pengantar Teknologi Informasi

2 Pengertian Internet  Internet adalah kependekan dari Interconnected Network atau jaringan Komputer yang saling terhubung satu sama lain di seluruh dunia.  Sejarah intenet dimulai pada 1969 ketika Departemen Pertahanan Amerika, U.S. Defense Advanced Research Projects Agency (DARPA) memutuskan untuk mengadakan riset tentang bagaimana caranya menghubungkan sejumlah komputer sehingga membentuk jaringan organik.  Program riset ini dikenal dengan nama ARPANET.

3 Internet

4 Internet Access Device & Physical Connection  Bandwidth – an expression of how much data can be sent through a communications channel in a given amount of time  Broadband – Several signals can be sent at once

5 Internet Access Device & Physical Connection  Download - to transmit data from a remote computer to a local computer  Upload - to transmit data from a local computer to a remote computer

6 Telephone (Dial-Up) Modem: Low Speed but Inexpensive & Widely Available  Modem - a device that sends and receives data over telephone lines to and from computers  There are two types of modems – internal and external

7 Application Software: For Sale, for Free, or for Rent  Commercial software – copyrighted and must be paid  Public-domain software – not copyrighted  Shareware – copyrighted and free but requires a fee to be paid for continued use.  Freeware – Copyrighted and free  Rentalware – Copyrighted and leased  Pirated software – Software obtained illegally  Abandonware – Software that is no longer sold or supported by its publisher

8 The Components of System Software  Operating system - the principal component of system software  Device drivers - help the computer control peripheral devices  Utility programs - support, enhance, or expand existing programs

9 The Operating System  Booting - the process of loading an operating system into a computer’s main memory

10 The Operating System: File Management and Formatting  The operating system’s file system arranges files in hierarchical fashion  Formatting or initializing a disk is the process of preparing that disk for use

11 Common Operating Systems Desktop & Laptop Operating Systems  Platform - a particular processor model and operating system on which a computer system is based  Disk Operating System (DOS) - the original operating system produced by Microsoft, which had a hard-to-use command- driven user interface

12 Desktop & Laptop Operating Systems  Mac OS - operating system which runs only on Apple Macintosh computers

13 Network Operating Systems  Windows XP - Microsoft’s newest OS, which combines elements of Windows 2000 and Windows Me

14 Network Operating Systems  UNIX - a multitasking operating system for multiple users with built-in networking capability and versions that can run on all kinds of computers  Sun Microsystems’ Solaris  Berkeley Software Distribution (BSD)  Linux - a free version of UNIX, with continual improvements resulting from the efforts of tens of thousands of volunteer programmers

15 Network Operating Systems  Linux - Open-source software - software which any programmer can download from the Internet for free and modify with suggested improvements Linus Torvalds, creator of Linux

16 Operating Systems for Handhelds  Palm OS - the dominant OS for handhelds, which runs the Palm and Handspring Visor, and is licensed to other companies  Windows CE (now Pocket PC) - slimmed- down version of Windows for handhelds

17  Android adalah sistem operasi untuk telepon seluler yang berbasis Linux. Awalnya, Google Inc. membeli Android Inc., pendatang baru yang membuat peranti lunak untuk ponsel.  Android is a mobile operating system developed by Google and is based upon a modified version of the Linux kernel. Operating Systems for Handhelds

18  Symbian OS adalah sistem operasi tak bebas yang dikembangkan oleh Symbian Ltd. yang dirancang untuk digunakan peralatan bergerak (mobile).  In 2008, the former Symbian Software Limited was acquired by Nokia and a new independent non- profit organisation called the Symbian Foundation was established. Operating Systems for Handhelds

19  Komputasi awan (cloud computing) adalah gabungan pemanfaatan teknologi komputer ('komputasi') dan pengembangan berbasis Internet ('awan').  IEEE Internet Computing "Cloud Computing adalah suatu paradigma di mana informasi secara permanen tersimpan di server di internet dan tersimpan secara sementara di komputer pengguna (client) termasuk di dalamnya adalah desktop, komputer tablet, notebook, komputer tembok, handheld, sensor-sensor, monitor dan lain-lain." Cloud computing


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