Register DLL

Posted by Zaheer Khan 8 October, 2009 (0) Comment

The Dynamic Link Library is a concept that includes file extensions such as DRV, OCX and DLL. It is developed by the Microsoft Corp and relates to the shared library features of the OS/2 operating systems and Microsoft Windows. Just like the files in the Windows EXE the Dynamic Link Library files contain resources, code and data.

It is essential that you get to learn these unique concepts in order to use them on your computer. You will need to register DLL to use the feature. You can either register by self registration or manual registration.

Register DLL

Self registration is quite easy since it operates automatically. In case you are having problems with the self registration, you can opt to do it manually


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Categories : Miscellaneous Tags : ,

 

RG 58

Posted by Zaheer Khan 8 October, 2009 (0) Comment

RG-58 is a coaxial cable (electrical cable with an inner conductor that’s surrounded by an tubular insulating material) that is used for wiring especially on RF (radio frequency) communication systems. The RG58 cable is mostly used in 2-way communication systems like police radio calls and amateur radio, wireless LAN antennae, marine SSB and VHF. The cable is also the generic carrier of signals in laboratories and works in combination with BNC connectors to test and measure equipments like oscilloscopes. However, there are some limitations to the use of RG58 cables as they only support a maximum of 30 nodes in a distance of 185 meters.

RG58

They are used to setup 10B2 networks that have a bus topology thus any changes affect the entire network.


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Categories : Technology Tags : ,

SCADA Systems

Posted by Zaheer Khan 8 October, 2009 (0) Comment

This is a computer system used to monitor and control processes related to infrastructure, industry or based in a facility. These systems usually consist of four subsystems that include the Human – Machine Interface, Remote Terminal Units, Programmable Logic Controller and Communication.

SCADA systems are usually confused with Distributed Control Systems but the difference is that processes are not controlled in real time. Changes in the networking technology have an effect on these systems with protocols based on TCP/IP and Ethernet replacing older standards.

SCADA

These systems are popular because there is more convenience when viewing processes from remote areas. The change solutions that are more standardized and open and increase in internet connections, have made SCADA systems more prone to attacks.


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Toslink

Posted by Zaheer Khan 8 October, 2009 (0) Comment

Toslink (Toshiba-Link) was initially developed by Toshiba for its CD players. However, the use of this optical fiber connection system is currently not limited to CDs only but can be used to connect satellite dish receivers, DVD players and other equipment. It is a data transmission system that uses optical signals instead of the usual electrical signals thus its more reliable. Toslink has 4 major components: the transmission module that enables conversion of the electrical signals to optical signals. However, the receiving module reconverts the optical signals into electrical signals.

Toslink

The other components are optical fiber cables that act like the physical transmission lines while the optical connectors enhance the connection of the receiving and transmission modules to the optical fiber cable.


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Unix Download

Posted by Zaheer Khan 8 October, 2009 (0) Comment

It is very easy to download Unix on the internet for free unlike other operating systems such as Microsoft Windows. Some of the Unix versions you can download include Ubuntu Linux, Debian Linux, Solaris, OpenBSD, Red Hat and Free BSD.

Before you decide which version to download, you should consider which one will be more suitable for you. Solaris is suitable for businesses and companies because of its self healing capabilities, packages that are open source and it makes tracing very easy.

Unixdownload

If you want an operating system that is more general and complete, you should download Fedora Linux. For this version, the software components are available at no charge and you can even be part of the development team.


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Unix Emulator

Posted by Zaheer Khan 8 October, 2009 (0) Comment

A computer operating system UNIX must conform to any operating system that has the supporting standards. The UNIX Emulator have this graphical interface (known as GUI)  which is quite similar to  the common Microsoft Windows which is user friendly and operates very easily. It is important to understand UNIX in order to benefit hugely from it. Operations not covered by a graphical program mean, a lot of knowledge will be required in order to receive functionality.

Unix Emulator

The kernel – hub of the system, the shell which acts as the interface between kernel and the  normal programs are the three components that make up UNIX. There are various types of UNIX and they are: Mac OS X, GNU/LINUX and  Sun Solaris.


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Usb Device Not Recognized

Posted by Zaheer Khan 8 October, 2009 (0) Comment

Problems of computers failing to recognize some USB devices are common and there are many reasons why this may happen. Most of the time, these devices automatically install but when they fail to do so, you cannot access them and this means you have to fix the problem so you can use it. The device may not be recognized because of settings in your computer where you might have disabled the functionality or have loose connections. This website provides information on this and how you can rectify it.

Usb Device

Some of the solutions provided to help the situation include using the Add New Hardware and Device Manager features, turning off power management, updating drivers and installing in standby mode among others.


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What Is Change Management

Posted by Zaheer Khan 8 October, 2009 (0) Comment

Change management is an organized method of dealing with reforms, together from the view of an institution and on the individual level. It has three distinct aspects such as accepting the change, managing the change, and implementing the change.

In an organization, change management refers to explaining and effecting procedures or techniques to act with changes in the working environment and to gain from changing chances. The more efficient change is dealt with, the higher the chances that the individual with thrive.

Change Management

Change is defined as an organized approach of maintaining the follow up of the information of the system for instance, the kind of operating system running in each computer and the fixation that has been put. This definition applies only in a computer environment.


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What Is A Database

Posted by Zaheer Khan 8 October, 2009 (0) Comment

A database is basically a collection of files or records logically related to each other into one common place for multiple use. A database model is the organization of data in one database. With databases there is an organized system of retrieving, managing and storing information, and this is done by virtue of tables. The databases are just like the excel tables  with rows and  columns. The databases are, however, very different from the other spread sheets like excel tables. Some of the notable differences you can find in a database is; perform complex kind of aggregate calculations, cross reference records in different kinds of tables, updating records in bulk.

Database

The databases also retrieve the records that match a certain criteria.


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What Is DVI

Posted by Zaheer Khan 8 October, 2009 (0) Comment

Digital Video Interface is a sophisticated device that is designed to produce quality images on various digital equipment like computers. Just like High Definition Multimedia Interface HDMI, the DVI was earlier designed to make uncompressed high definition quality video content transfers.

The DVI and HDMI signals  both  offer delivery of  uncompressed digital video content. One thing to note about DVI is that it does not supply nor support any audio data. For making transfers of signals through the  DVI cable to the  HDMI cable type, you will need an adapter.

DVI

To avoid purchasing of a digital monitor for a computer many people have incorporated the use of the DVI in their  video cards. The DVI  Operates at a frequency of 60Hz.


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