Archive for December, 2011

Technology and Sleep

posted by admin
Dec 23

Often, not only the amount of sleep we have, as is quality. When the treadmill, poor, ill-feeling refreshed, as if little or no sleep. It is interesting that most people do not do the simple things that you need to sleep well (and thus improve the quality of sleep). The data matrix, we had a good night, sleep quality, it is important that our sleep clean, organized and without distraction. Here are the three most common distractions that most people bring to the room with you:
TV
Watching TV in the hours before bedtime, or worse, falling asleep with the TV often makes you feel less rested, even if you use the timer. Distraction is evident here wake up turn on the TV. However, there is more than that. As a child should sleep in the same place where it is, young people and older and those who leave their room in your “dream” state. In the process, the lights are out, not only to your room, but his days. Instead of TV, try reading an old book of fashion. The difference in how you feel in the morning will have less than a week.
Smartphone
More than half of people with smart phones will be in bed with them. While some use them for their nap, the vast majority still send text messages and e-mail with the phone within an hour of sleep. As with television, this type of activity does not matter the quantity and quality of time you will need to make you feel refreshed in the morning, did not take me, staggering 67% admit that Texters bedtime feels updated according to the National Sleep Foundation last year.
Notebooks
It is understandable that some people actually go to “draw the LINE ‘, to turn your phone on the bed. But, regardless of age, most people in fact the computer to bed with them at least once a week. As with the active participation of the use of smart phones to text goodnight to your best friend with a laptop, but in a passive way that makes most people feel sleepy the next day.
How to improve sleep
There are many reasons why people use these disturbing once before bedtime. The first is to disconnect the brain the day, but when connected to other issues. To really disconnect, it is recommended that this is a relaxing activity. In addition to reading, meditation, simple and works well. You can also extend the results by choosing to complete silence.



High availability can be achieved by grouping Failover Clustering and Hyper-V server. It is important to properly configure the network and storage resources before creating Hyper-V cluster. In Microsoft ® Windows Server 2008, including verification of the professional group for computer analysis and resources before creating the cluster.
Failover Cluster for Hyper-V must be created in the following order:
Configuration of physical network cards and Hyper-V servers
Configuration of storage resources, both in the Hyper-V servers
Installing Hyper-V on each server
Installing the Failover Cluster Server role on both servers
It serves to create virtual networks for virtual machines
Configuring authentication group
Create a group
Networks for Hyper-V must be configured so that the separation of iSCSI SAN traffic. To achieve this goal, the network switches completely isolated from the network or VLAN configuration.
Types of drives used for Hyper-V virtual disks, including disks (VHD) through disks and disks connected directly to an iSCSI initiator host operating system.
If Hyper-V is installed Hyper-V performance counters are enabled for Windows Performance Monitor. Set to Hyper-V is a good starting point to determine how Hyper-V and virtual machines are doing.
Deploying virtual machines with Hyper-V PS Series storage is similar to providing packages for all application server. The volume must be created and access to a computer, so the host can initialize the disk and partition. When you create a partition on the volume, virtual disk can be added and used to host virtual machines files.
Hyper-V is a tool that allows you to configure and manage Windows Server 2008 Hyper-V environment. Since Hyper-V role is installed, can Hyper-V can be run from the Start menu,, Administrative Tools, Windows Server 2008 host.
Use Server Manager to manage online disk drive, initialize and format the partition. After the drive has a drive letter and a distribution that can be used to create a new virtual machine or virtual hard disk with a Hyper-V – Actions menu.
System Center Virtual Machine Manager (SCVMM) is a Microsoft tool to provide remote management of virtual servers. SCVMM can manage multiple virtual environments such as VMware ESX. Communicate properly with the SCVMM virtual environment, all these items in the same field together with an administrator account.
Deploying virtual machines with failover for high availability cluster requires planning and knowledge of the responsibilities and workloads of virtual machines. The project plan is important to determine the storage resources required for VM virtual machine. Selecting a group volume group common or normal volume may help determine the volume size and configuration.


Dec 22

Advances in computing and information technology changes the way people meet and communicate. People can meet, talk and cooperate outside traditional meeting place and offices. For example, the introduction of software to help schedule meetings and facilitate decision making and learning, the weakening of the restrictions of geography and changes in the dynamics of interpersonal communication. Information technology is also greatly influences the way we teach and learn.
As new technologies enter the workplace, at home and classrooms, research, user acceptance of new technologies have begun to receive attention from experts and academics. Software developers and industry are beginning to realize that the lack of user acceptance of technology can lead to loss of money and resources.
In a study of user acceptance and use of technology, the TAM is one of the most cited models. The technology acceptance model (TAM) was developed by Davis to explain the behavior of your computer. Theoretical basis and model of Fishbein Ajzen theory of reasoned action (TRA).
The technology acceptance model (TAM) is an information system (consisting of networks of all communication channels used in the organization), the theory that models how users come to accept and use technology, the model suggests that if the user is offered a new software package, a number of factors that influence their decisions about how and when to use, namely:
Perceived usefulness (PU) – This was defined as Fred Davis. “The extent to which a person believes that using a particular system to improve the performance of their work”
Perceived ease of use (FUP) Davis defined as “the degree to which a person believes that using a particular system would be without effort” (Davis, 1989).
TAM’s goal is “to provide an explanation of the factors of adoption of computers in general, which is capable of explaining user behavior across a wide range of technologies and end-users and user populations, as well as being petty and theoretically justified. ”
According to TAM, the user sees a particular technology is useful, he / she will believe use positive performance in the relationship. Once the effort is a finite resource, the user can accept the request if he / she is perceived as easier to use than others. As a result, educational technology, with high levels of PU and FBD is more likely to induce positive feelings. The relationship between PU and PU-CSF is involved in the effect of CSF in approach and intended use. In other words, while PU has direct impact on access and use FBD influences attitude and use indirectly through PU.
User acceptance is defined as “the demonstrable willingness to use a group of users of information technology for the tasks that are designed to support” (Dillon and Morris). Although this definition focuses on the intended use and intended for technology, studies show that the perception of information technology tend to be influenced by objective characteristics of technology and communicate with others. For example, as we evaluate the new technology is useful, he / she is likely to use. At the same time, his / her opinion that the system is affected by how people around him / her to evaluate and use the system.
A study of information technology continuously report that user attitudes are important factors that influence the success of the system. For decades, many definitions of attitudes have been proposed. However, the whole theory behind the position that the relationship between person and object (Woelfel, 1995).
In relation to information technology, access to the study of attitude – a technology acceptance model (TAM). TAM suggests users formulate a positive attitude to technology when they realize that technology is useful and easy to use (Davis, 1989).
Overview of academic research in adoption and use that TAM has become one of the leading models of current research, TAM is an important contribution to theoretical understanding and acceptance is the use of a behavior. However, this model – with an initial emphasis on the structural properties of the system – does not take into account the social impact of the adoption and use of new information systems.