the user clicked on the attachment to read the alleged love letter, LOVE-LETTER-FOR-YOU.TXT.VBS, the attachment was a Visual Basic program that performed a horrible sequence of bad things: Deletion of files from victim's hard disk. The worm overwrote files from the victims' hard disk drive, specifically targeting files with extensions:*.JPG, *.GIF, and *.WAV, amongst many others (i.e., files containing audio/visual data), *.CSS (i.e., cascading style sheets called by HTML 4.0 documents). some later
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applications like airline reservation system or computer –based directory assistance operations Secondary Storage Device | Access Method | Magnetic tape | Sequential accessAccess time is slower than hard drive | Magnetic Disk | Floppy disk | Direct accessAccess time is very slow | | Hard disk | Direct accessAccess time is very fast ( currently the
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Computer Virus A computer virus is a malicious piece of executable code that propagates typically by attaching itself to a host document that will generally be an executable file. ✓ Typical hosts for computer viruses are: – Executable files (such as the ‘.exe’ files in Windows machines) that may be sent around as email attachments – Boot sectors of disk partitions – Script files for system administration (such as the batch files in Windows machines, shell script files in Unix
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Information system (IS) has several components. Human presence is a critical element for the system. They are the ones who input all data, and program the computer that collects stores, distribute and process information for an exact purpose. Although not all information system is computerized the shift to computers is now the wave and practically all businesses are using computers for the organization of information and data. Data need to be inputted in a timely manner, and accurately for the
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SIMS are Valid. All the SIM SIM#1 - Bluetooth,IR and Wifi range and usage SIM#2 - The connector type matchup: VGA, DVI, HDMI,S-Video, Composite, Serial. SIM#3 - Identify which encryption types belong to which wireless security protocols. SIM#4 - Match up parts for a Home Theater PC, Thick Client PC and Gaming PC. SIM#5 - Identify motherboard components. SIM#6 - Build a gaming PC and a virtualization PC using a collection of computer components. SIM#7 - Configure SOHO with
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Data Security Issues/Concerns Data security is “the method of keeping data protected against corruption as well as not authorized accessibility” (SpamLaw, 2011), having the main aim being the security of private and company data through secrecy. With the huge increase of the Internet and electronic commerce (E-commerce), data protection is a lot more significant because of the potential for hackers, viruses, as well as malware. Current Specifications By analyzing data security in relation
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Video 1.06 • Hard Drives • Hard Drive Interface • P ATA (Parallel ATA) • Serial ATA • Floppy Drives • Power Supply Connections • CDs • DVDs • SCSI Devices • IEEE1394 • Solid State Removable • Tape Drives Video 1.06 Definitions Hard Drives-device used for storing and retrieving digital information; hard drive size limit to 157GB Hard drive interfaces- refers hard drives, CD drives, DVD drives and tape drives
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24 26 30 31 Basic Features of Your MacBook Pro Keyboard Features of Your MacBook Pro Ports on Your MacBook Pro Using the Multi-Touch Trackpad Using the MacBook Pro Battery Getting Answers Chapter 3: Boost Your MacBook Pro 37 Replacing the Hard Disk Drive 44 Installing Additional Memory Chapter 4: Problem, Meet Solution 50 An Ounce of Prevention 51 Problems That Prevent
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words inside the Acronyms: 1. RAM= Random Access Memory 2. O/S= Operation System 3. CPU= Central Processing Unit 4. KB= Kilobyte 5. MB= Megabyte 6. GB= Gigabyte 7. TB= Terabyte 8. USB= Universal Serial Bus 9. HDD= Hard Disk Drive 10. ODD= Optical Disk Drive 11. I/O= Input/Output 12. DPI= Dot Per
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