Monthly Archives: November 2011

Projectors in today’s modern world

Projectors have become a part of the modern technology age we live in are used in the conversion of images from a computer onto a screen through lens systems. They can see the data that is stored in a computer for a presentation. Projectors allow people to see moving images, video and audio from a DVD player or Blu-ray. You can also convert documents into an interactive whiteboard as well.

The use of projectors to play a role in home theater systems and the resolution of these devices are standard SVGA (800 x 600 pixels). The cost of a projector is based on resolution and brightness. If you use a projector in a large room or a conference, then the brightness of the unit should be anywhere between 1000 and 4000 ANSI lumens.

The first digital projector has been developed in the 1950s by Eidophor and used on a rotating disc that had an oily surface with light shining through it and also use an electron beam to disrupt the oil in a certain way.

Tips for Buying a Multimedia Projector

One of the best pieces of computer peripheral equipment today is a multimedia projector. You can use a multimedia projector for a multitude of tasks such as presentations at conferences, boardroom presentations, video projection on a wall in his house to watch movies, and more. There are a variety of multimedia projectors on the market today. The big question is the projector you should buy? There are many brands and four major types of multimedia projectors.

Multimedia projector brands and types

There are many brands of multimedia projectors to choose from: Panasonic, Optima, Epson, NEC, Infocus, and many more to choose from. Multimedia projector type include:

Digital Light Processing (DLP): a black background and more portable
Liquid Crystal Display (LCD) for better color
TFT (Thin Film Transistor) active matrix, a form of LCD
Home Cinema HD: 480i, 516i, 540p, 720p, 180i, 1080p, 1080i, 1125i (i = interlaced p = progressive video scan)

The important consideration is the lens of the projector and multimedia applications in the home or business, which will help you select the features you need. Features to consider are:

Brightness: 130 lumen range of 6,500 lumens
Screen desired area of ??5 to 6 feet: 500 to 1000 lumens
Desired display area 8 to 10 feet: from 1000 to 1500 lumens
Desired display area 12 to 25 feet: 2000 lumens or more
Remote wireless operation of the computer

How to select the best LCD touch screen

Touch screen monitors seem to be everywhere. The great thing about them is that they are extremely easy to use. Function as a keyboard invisible, but only show a greater amount of data and the selection of button that users need to perform a task. This explains its popularity in devices ATM kiosks and shops downtown theaters to industrial machines.

The most important decision in choosing the best monitor for your application will be the type of touchscreen technology to use. There are several types, each with its advantages and disadvantages. We will cover the three most common types:

The resistive technology:

A monitor consists of a glass panel coated with conductive resilient and resistant thin metal layers separated by a thin space. When a user touches the screen, the two layers touch at this point. The computer detects the change in the electric field and calculates the point of contact.

Resistive screens are generally more affordable, but offer a clear picture of 75-80%. The key can be activated with almost any type of object (pencil, gloved finger, etc.), but the outer surface can be damaged by sharp objects. Panels display resistance are not affected by dust or water on the surface, which are the most commonly used today.

Touch Screen Monitors

With a touch screen, users can bypass multiple hardware systems needed to make use of a computer system. 1971 saw the development of the first screens and touch since then have become very popular.

Touch screens are very popular in commercial settings such as restaurants, airports, ATMs, industrial automation, and computer-based training. In restaurants, customers use touch screens as control points where they can place their orders on their own without having to deal with a retailer. In computer-assisted learning, a touch screen is very useful, especially since it keeps the student focused on the screen and the students do not need technical knowledge to operate the keyboard or hardware.

Touch screen systems are either in the form of a touch screen add-ons or touch screen monitors. Touch screen technology supplement is very useful when the touch screen is an update of an existing display system. Generally, an add-on Touch device is positioned in front of a standard screen computer unit. A controller is connected to the overlay and the PC. The controller communicates between the PC and the monitor screen. The other type of touch screen is the touch screen.

The touch screen is a complete piece of equipment, which has a display with an integrated backplane. Two most popular technology used in touch screen monitors are CRT and LCD. CRT CRT and LCD means Liquid Crystal Display. An LCD is a more advanced and therefore more expensive.

There are many different types of servers in the world of computing. There are web servers, application servers, database servers, mail servers, etc. depending on configuration and use, the actual computer server can be used as a server. In networks of small to medium size, a desktop computer can be configured as a server.

There are many different types of servers in the world of computing. There are web servers, application servers, database servers, mail servers, etc. depending on configuration and use, the actual computer server can be used as a server. In networks of small to medium size, a desktop computer can be configured as a server.

When a desktop is configured as a server, your material is that of a normal computer. Its use is of a server and other work has been configured on this machine. Therefore, in this scenario, there is no difference in the memory of the machine. The only difference may be other machines on the network may have more memory, a high-speed processor and a hard drive larger.

In large computer configurations, there are server machines, which are different from the normal desktop. The difference is that they can have more than one processor. They may have two or more processors. Hard Drives a server machine can hot-swap SCSI or fixed disks. As processors are extremely fast, such as hard drives, memory in the servers also have to have a high speed.

Memory on a server is expected to be fast, and is called ECC memory. ECC memory is synonymous with error correction code. Tests system memory and corrects errors in memory without the CPU or the user’s knowledge. The error correction code generates a checksum when the data is loaded into memory, and when discharged, the checksum is recalculated and if an error is detected, it is corrected automatically. This ensures that data transmitted to the server is correct.