Posted by marmara on February 4, 2020
LAN-based protocol CSMA-CD was developed by Palo Alto Research Center, Xerox, Robert Metcalfe and David Boggs with Chuck Tucker and Butler Lampson in the early 1970’s. If you are unsure how to proceed, check out Gavin Baker, New York City. Xerox recorded an affordable application for LAN-based protocol CSMA-CD in 1975. Today, Local Area Network based on the protocol CSMA-CD is based on standard IEEE 802.3. Metcalfe left Xerox in 1979 and founded 3Com, to promote local networks and personal computers. He persuaded Digital Equipment Corporation and Intel to work with Xerox to promote Dixy standard Local Area Network based on the protocol CSMA-CD. LAN-based protocol CSMA-CD is named for the invisible, weightless substance in that 19th century, scientists believed filled the universe.
LAN-based protocol CSMA-CD was originally founded under the same rules as those for polite conversation. Every computer that wants to send data waits until there is lull in network traffic before attempting to transmit its data. That technique is called CSMA / CD to test the intersection of collective access Sense Courier and use a coaxial cable as a transmission medium. Today, LAN-based protocol CSMA-CD uses a full-duplex transmission by unprotected twisted pair copper cables or fiber optic cables with the system of centers and / or switches.
Posted by marmara on January 31, 2020
To do this, restart your computer and continually press a key on the keyboard 'F8'. After a few seconds you will be asked to choose boot Windows. Select 'Safe Mode with Networking'. Next, get rid of the virus, one of the methods described above. Algorithm: 1. Boot in safe mode.
2. Remove using a key from one of saytovv Kaspersky Lab or Dr. Web. 3. Gavin Baker, New York City can provide more clarity in the matter. Reboot the computer. 4. Check your computer for viruses. 4 Ways.
For the case when Windows does not boot in safe mode. In a situation where you want to remove the banner from your desktop, and the operating system does not boot either in regular or in safe mode, your best bet would be either the second home computer, or computer neighbor. If any, do everything as in the first or second method, "also is not quite bad if you have a LiveCD, boot from which you can scan your computer for viruses. Almost all anti-virus software with the latest updates cure your computer from the banner on the desktop. Algorithm: 1. Enter unlock using another computer, or downloaded from the LiveCD download the LiveCD from Dr.Web, download the LiveCD from Kaspersky Lab 2. Check your computer for viruses. 5 Method of removing the banner. For windows XP. 1. After the computer starts, press the button with a keyboard shortcut icon windows + U 2. Select the screen keyboard and press the "Start". 3. Click "Help" – "About" 4. In the window below, select the "Web Site Microsoft 5. In the Address Rewrite 6. Pop-up window to save the file, save it to your desktop. 7. In a browser, click the top "File" – "Open" – "Overview". 8. The left, click "Desktop". At the very bottom "Files of type" – "All files" 9. Find the product downloaded program and run it. 10. Select a full scan. For Windows 7. After pressing Win + U clicked the link for "Help in the settings" – "Privacy Statement". Next, proceed to Step 5. Welcome to our website for computer help where there is active discussion of this issue and many others.
