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Computer Hobbyists: The most common intruders

Computer hobbyists

The most common intruders of computer systems are the computer hobbyists and computer experts. They view unauthorized access as an irresistible intellectual game. Computer hobbyists are mostly known as "intruders", but this term is very wide. There are various types of computer hobbyists and include intruders as their commonly known computer hobbyists.

They push computer systems to their limits. They perform experiments to programs so as to discover other unmentioned features and capabilities that are not found in the system’s manuals.  Intruders modify computer systems to know their maximum performance,...

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pbitches N/A Written on 05/09/2011 in Article

A Brief Description of Power Supply Units

Power supply units

This is a computer component responsible for supplying power to other components in the entire system. Power supply units do this, typically, by converting the general-purpose alternating power; which originates from the mains into a low voltage direct current power which can be used by other components in the computer.

There are some power supply units which contain a switch that controls voltage ranging from 150V to 230V, but other power supply units has built-in sensors that automatically switch voltages; accepting voltages between the limits. Majority of the power supply...

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gatling online N/A Written on 05/09/2011 in Article

Data Link Layer: The 2nd layer of OSI Model

Data Link Layer

The Data Link layer is basically use for transfer frame data from one node (hop) to next adjacent node. It’s a second layer of OSI model. Basically it takes data packets from network layer put a header and trailer make frames and send it to physical layer.

Data Link Layer has two sub layers:
  1. Logical Link Control (LLC)
  2. Multiple Access Control (MAC)
Logical Link Control Logical link control use for design and procedure for communication between two adjacent nodes means node to node communication. Its functions are Framing, flow and error control and software implementation protocol.
Haseem1 N/A Written on 05/09/2011 in Article

HTTP: Know your Networking Protocol

HTTP (Hyper Text Terminal language)

HTTP is a stateless protocol. It’s used to access data on World Wide Web (www). HTTP is use TCP port number 80 HTTP works from client request to server and server response to client.

HTTP operation: 1) The client opens a connection 2) Client send request to server that is http request 3) Server sends response to the client http response 3) Server closes connection. General scenario as described above is just client is request and server response. Sometimes there is no direct connection between the client and the server and there is one intermediate such as...

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Kurt Dempster N/A Written on 05/09/2011 in Article

Efficient usage of Database Compression

Database Compression

In the world of today, IT service providers constantly face problems of storage space. Under these circumstances, administrators and users turn to database shrinking and compression. By this practice, limited storage space can be used efficiently. There are many ways to achieve this. There is software that accomplishes the same task and there are various commands in different servers that can do the same job.

For SQL 2008 R2 databases ‘DBCC SHRINKDATABASE’ can be used. All you have to do is, state the name of the database and state the target percentage compression. Read more
lonelyboy N/A Written on 05/09/2011 in Article

HTML Editors That Pros Use!

HTML Editors Pros Use

HTML hot picks for all the experienced coders and the newbies. If it’s HTML editing or web page building you’re interested in, then look no further.

Listed below are software that can be used to build web pages; written in a text editor. Communication with remote servers where you want to upload your site is an added bonus that HTML editors provide.

HTML PAD 2010   This HTML editor includes basic features like a flexible preview and HTML code validation. HTML PAD...

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Thierry Henry N/A Written on 05/09/2011 in Article

Enhancements in Group Policy 2003 and 2008

Enhancements in group policy 2003 and 2008

Group Policy offers a stable structure for central arrangement of the OS in addition to applications that jog on the OS. Group Policy is intended to assist the IT professionals such as dedicated Group Policy administrators, IT generalists, and personnel support who need to manage users and computers in a domain environment. Windows Server 2003 consists of more than 200 new policy settings. Windows Server 2003 policy settings included the following ranges:
  • Control panel.
  • DNS and net logon.
  • Networking such as SNMP and dial up connections.
  • Roaming user profiles and Group Policy.
  • Software restriction policy.
    • ...

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jhvin N/A Written on 05/09/2011 in Article

Hitachi Data Systems: All You Need to Know

Hitachi data system and data storage

Hitachi data systems abbreviated as HDS is one of the well know companies that provide middle and back-end data storage systems, services and software. HDS has for several years been developing and delivering computer solutions for small, big and midsized business organizations.

The solutions are aimed at aligning these organizations with all the technological need in the Information Technology sector. The corporation provides services such as the virtualization of storage, tiered storage management and archiving with data protection services in order to help organizations deals with problems such as disaster...

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Cassie Romero N/A Written on 05/09/2011 in Article

Enhancements in Windows 2008 R2

Enhancements in windows 2008 R2

Windows server 2008 R2 is usable in two-fold editions to reinforce the varied server and workload needs of organizations. It builds on the award-winning foundation of Windows Server 2008, expanding existing engineering and adding new features to enable IT professionals to amount the reliability and malleability of their computer infrastructures.

Windows Computer 2008 R2 includes some enhancements which are arguably the most strapping Windows Computer Web remedy level yet. It offers a greater reinforcement for .NET on Computer Set. Strong tools such as Cyberspace Collection Services (IIS)...

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marychris N/A Written on 05/09/2011 in Article

All You Need to Know About HDMI

All You Need to Know About HDMI

High-Definition Multimedia Interface or HDMI is a standard interface which is installed in the latest audio visual equipment's like game consoles, laptops, personal computers, and even in DVD players. HDMI port is preferred by most consumers because of its ability to carry high quality video and audio presentations without the hassle of connecting several cables to your devices. Unlike analog ports which will require you to set-up eight individual cables just to watch a 24-bit of 192 kHz uncompressed audio with 7.1 surround sound for eight channels, a single HDMI port can...

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Skyler Ballard N/A Written on 05/09/2011 in Article