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9.

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Presentation on theme: "9."— Presentation transcript:

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29 29 Hard (fixed) disk  1 TB and higher Removable storage  CD-ROM  CD-R/CD-RW  DVD/DVD-R/DVD-RW  Tape (common for backups)  Flash Drives & SD Cards  Outdated  Zip disks  Floppy Disks

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31 RAM Hard Drive CPU CD, DVD, Flash Drive Input Output

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33 33 On Off

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38 T HE W ORLD W IDE W EB T HE W ORLD W IDE W EB A SUBSET OF THE I NTERNET CONSISTING OF COMPUTERS THAT STORE HYPERTEXT DOCUMENTS I NVENTED BY T IM B ERNERS L EE WHO WANTED TO SHARE NOTES WITH COLLEAGUES AT THE E UROPEAN P ARTICLE P HYSICS L ABORATORY (CERN) IN S WITZERLAND 38

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41 41 Web address (or URL) Internet Explorer is the browser HTTP protocol

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46 ComponentsSpecifications ProcessorIntel Core Duo 2GHz, i5 or i7 Intel Centrino; Intel Celeron AMD AMD64; AMD Turion Video Card2 Screen; Gamming Memory2 Gig at least Floppy Disk DriveNot used any more Hard DriveDesktop – 150 GB Laptop – 80 GB CD, DVD, R/RWCD/DVD – Re-Writeable NetworkingWired – Ethernet Card Wireless – g Warranty? SoftwareOperating System Office Products Free-Ware Anti-Virus MonitorLCD PrinterColor or not If color want high dpi Many colors

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50 50 A computer virus is an actively infectious program that can erase data and/or alter the way your computer works Worms and Trojan horses are other types of infectious programs, but all are bad Computer viruses are spread through , and/or infected floppy disks Windows does not include an antivirus program; i.e., you must buy it separately and update it frequently Should you get antivirus software?

51 51 Create a self-extracting file from the archive that does not require supporting software

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