Home > June, 2008

Is the AMD-K6R-III processor compatible with the popular Socket 7 platform?

Archived in the category: CPU
Posted by zyreel on 30 Jun 08 - 0 Comments

Yes. Socket 7 represents the vast majority of today’s installed base of PCs and has been proven for reliability, upgradeability, and low cost. For even better system performance with the AMD-K6R-III processor, choose a Super7 motherboard. Before selecting a motherboard you should first check with the manufacturer and review the recommended AMD motherboard support list.

What is NMap?

Archived in the category: Network Security
Posted by zyreel on 30 Jun 08 - 0 Comments

NMap is a port scanning tool that the Security office uses to look at the ports a remote system is using and to help determine which program is using each port. NMap output will often be included in the Remedy worklog. Suspicious ports being open are often a sign of infection or compromise of a [...]

What is a Port?

Archived in the category: Network Security
Posted by zyreel on 30 Jun 08 - 0 Comments

Security personnel often talk about ports. The combination of a port and an IP address is known as a socket. This pairing of two pieces of information is what allows many applications to communicate on the network. For example, if you were to open a web browser and go to [ http://www.unc.edu ] www.unc.edu you would be [...]

What is an IP Address?

Archived in the category: Network Security
Posted by zyreel on 30 Jun 08 - 0 Comments

As mentioned above every network card in the world should have a unique Hardware Address that does not change. At any given time, on any given network, each computer should be using a unique IP Address. Unlike the Hardware Address the IP Address is subject to change and is controlled by the computer’s operating system. [...]

What is a Hardware Address

Archived in the category: Network Security
Posted by zyreel on 30 Jun 08 - 0 Comments

Every Ethernet Network card that has ever been made is supposed to have a unique Hardware Address. The Hardware Address is customarily hard coded into the network card and is not normally allowed to change. Network switches use the Hardware Address to direct communications. Network routers track the relationship between IP Addresses and Hardware Addresses [...]

In addition to built-in security features in routers such as SPI, NAT, MAC address filtering, WEP, and WPA, Linksys also provides external methods of protecting your network. At the push of a button, SecureEasySetup (SES) quickly and easily sets up wireless security throughout your network, without the hassle of remembering complex passwords and terminology. The [...]

What is cable modem access?

Archived in the category: Network Security
Posted by zyreel on 30 Jun 08 - 0 Comments

A cable modem allows a single computer (or network of computers) to connect to the Internet via the cable TV network. The cable modem usually has an Ethernet LAN (Local Area Network) connection to the computer, and is capable of speeds in excess of 5 Mbps.
Typical speeds tend to be lower than the maximum, however, [...]

What is history of computing hardware?

Archived in the category: Computer Hardware
Posted by zyreel on 30 Jun 08 - 0 Comments

Computing hardware has been an important component of the process of calculation and computer data storage since it became useful for numerical values to be processed and shared. The earliest computing hardware was probably some form of tally stick; later record keeping aids include Phoenician clay shapes which represented counts of items, probably livestock or [...]

What is Monitor?

Archived in the category: Computer Hardware
Posted by zyreel on 30 Jun 08 - 0 Comments

A computer display monitor, usually called simply a monitor, is a piece of electrical equipment which displays viewable images generated by a computer without producing a permanent record. The word “monitor” is used in other contexts; in particular in television broadcasting, where a television picture is displayed to a high standard. A computer display device [...]

I thought Athlon machines had a 200 MHz bus. Is that not the case?

Archived in the category: CPU
Posted by zyreel on 30 Jun 08 - 0 Comments

Although the current Athlon architecture is touted as having a 200 MHz bus, in practice the bus runs at 100MHz. The Athlon’s bus, which is based on the EV6 bus protocol from the DEC Alpha architecture, transfers data on both the rising and falling edges of the clock, much like the AGP bus does. Because [...]