What is Blogs & these Benefits in Education

The blog is a shortcut for Weblog. Blogs are used by Internet users to publish views. It is an easy way for individuals to express an opinion online. It has become a powerful tool for individuals, group and business to promote ideas and advertise the products. Bloggers generally update the website frequently. Their posts often contain links to other websites.

They are many good blogs written by experts in many different fields such as technology, education, and medicine. Technorati.com is a good website to search blogosphere that consists of all the blogs on the Web and the connections among them. Many bloggers link to other related blogs. The most popular sites to create a blog are Wordpress and Blogger.

Both of these sites allow the user to create an account and blog for free.

IT Expert Solutions provide information about the blogger.

Some important blogs are as follows:

·         Blog.com

·         Blog Flux

·         Blogger

·         Bloglines

·         Blogstream

Microblogging is a type of blogging that was posts are typically limited to a small number of characters. Posts can be public or restricted to a group of users. Twitter is a microblogging site where the users post updates frequently.

Benefits of Using Blog in Education

Some important benefits of using a blog in education are as follows:

·         The student can insert links in their blogs as they search subjects and their reports on their findings.

·         They can keep track of project related tasks

·         They can write their findings on scientific experiments daily

·         They can create classroom storyboards with ongoing storytelling

·         They can ask friends and family members to edit their blogs or provide feedback

·         They can copy paste ideas or quotes from other sources to link the source and then personally reflect on the topic

Universal Broadband is Coming!

Most PC users employ the physical connections we have described but there are other possibilities. With WebTV, for instance, you use your television to access the internet. If your wireless aims are modest—you want to access the Net from your back porch—Apple computers AirPort allows you to connect to other Macs and the internet. A personal digital assistant from 3Com, enables you to get on the Net from the greater distances, but the small screen best accommodates specially prepared Web pages, of which there are few so far.

IT Expert System provides the Information about the Universal Broadband.

We are living in a period of fast changes. As of now, almost third of the family units in the U.S. have DSL, link, or wireless services. Most of them, admittedly are in and around major cities, and the companies providing connections have been slow to expand them to the rest of North America. But Universal Broadband is coming. When the telephone companies finish scrambling to upgrade their phone lines to DSL, the cable companies make their “pipes” better handle two-way data, and the wireless companies refine they're through the air links, ordinary Internet users will probably have connection 100 times faster than they are today.

Latest 2018 Digital Cameras with High Resolution!

A digital camera is an input device that takes pictures and stores them as digital images. Digital cameras stored captured images in storage in the camera or on the same type of memory card. Photos taken with the digital camera are typically transferred to a computer using a wired or wireless connection. Many digital cameras allow the user to edit the image. The number of digital photos depends on the amount of the memory in the camera. The main advantages of the digital camera are that making inexpensive and fast. It does not require any film processing. Many smartphones and other mobile devices have built-in digital cameras. Digital still camera are available in a wide variety of size and capabilities.

IT Expert Solutions provides the information about the latest 2018 Digital Camera.

The quality of digital camera photos depends on its resolutions. Resolution describes the sharpness of an image. Image resolutions for a digital camera are measured in megapixels. Megapixels are millions of pixels in a graphic. Today's camera is typically between 5 and 20 megapixels.

Types of Digital Camera:

Some important digital camera is as follows:

·         Point & Shoot Camera:

A point-and-shoot and camera is an affordable and lightweight digital camera. It has lenses built into it and a screen that displays an approximation of the image to be photographed. A point-and-shoot camera is available in a wide variety of sizes and capabilities. It provides the acceptable quality photographic images for the home or small business user. Most point-and-shoot cameras include zoom and autofocus capability use built-in flash. Many point-and-shoot cameras can also take videos.

·         DSLR Camera:

DSLR (Digital Single Lens Reflex) camera is the most versatile and expensive type of the Digital camera. It allows the user to change the lens to get the required zoom. Its lens may cost hundreds or thousands of dollars. It has a screen to display the image to be photographed. The user can manually the adjust focus and exposure. Many DSLRs can also record high definition videos. DSLR cameras are much heavier and larger than point-and-shoot cameras.

How To Work Power Supply & Battery!

The power supply is located in the back of the computer case and often has its own fan for cooling. It is also called Power Supply Unit or PSU. Most personal computers plug into a standard electrical outlet that supplies an alternating current (AC) of 110 or 240 volts. The computer requires a direct current (DC)ranging from 3 to more than 15 volts. The power supply converts Alternating Current (AC) to the Direct Current (DC) that are needed by the various components of the system or required by computer parts. The Power supply inside a desktop computer connects to the motherboard.

IT Expert Advice provides the information about the power supply.

The AC adapter is an external power supply used to recharge the battery in a notebook and to provide dependable power for operating the notebook for longer periods of time. On the off chance that an AC adapter fails, it won't energize the battery and it won't give the capacity to work the journal without a battery. It is additionally called AC/DC connector, AC converter or charger.

A battery is a component that supplies power to a device. It enables the devices to work without a power outlet. Batteries can supply power to a laptop for several hours depending on how much power it requires. Today, many devices such as laptops and smartphones use rechargeable batteries.

Latest Information About Multimedia on Web!

Multimedia is an application that uses text with graphics, animation, video, and virtual reality. The use of multimedia makes websites more attractive and interesting for the people. The websites with multimedia contents take more time to download.

IT Expert System Provides the information about Multimedia on Web.

Consists

       Multimedia consists of the following:

·       Graphics

         The graphics or graphical image is the digital form of chat, photograph or drawing. Many websites use different colorful graphics, logos, and charts to present information in an attractive way. The use of graphics increases the size of the webpage.

Two commonly used graphic formats are JPEG and GIF. JPEG format compresses graphics and reduces its size. A new format PNG is an improved form of GIF format. Many websites use thumbnails of images.

·       Animation

        The animation is the display of motion by displaying a series of still images in a sequence. It makes websites more attractive and lively. Scrolling text is an example of animation. Animation easily captures the attention of the user. Animated GIF is a popular type of animation. It is actually a set of different images combined into a signal GIF file.

·       Audio

        Audio is stored as individual sound files on the web. Different formats of audio files are MP3, Wav, WMA, MPEG, RealAudio, and QuickTime. Audio files are also compressed to reduce size. Some application on the web uses streaming audio. Streaming is a process of transferring data in a continuous and even flow.

Effective Ways Of High Speed Internet Connections!

 The users have many options for connecting to the internet. Every type of connection provides different data transfer speeds. The speed is measured in Kbps or Mbps. Dial-up is the least expensive internet connection. It is very slow with a download speed of 56 Kbps. It is only used where high-speed broadband or high-speed connections are not available. Most types of connections today are broadband or high-speed connections.

IT Expert Advice provides the ways of Internet Connection.

Examples:

           Some examples of broadband internet service are cable, DSL, fiber, radio, signals, and satellite.

·      Cable Internet

              Cable internet provides high-speed internet access through the cable television network. It requires a cable modem and uses the same wires to carry TV and internet signals. Cable speeds range from 1 Mbps to 100 Mbps to 50 Mbps. Cable Internet is not widely available in rural areas.

·      DSL

           The word DSL remains for Digital Subscriber Line. It requires DSL modem and gives rapid web associations utilizing customary phone lines. The normal speed of DSL is 1 Mbps to 20 Mbps. It is lower than cable is generally less expensive. A big problem with DSL is its distance limitations. It requires DSL modem to be within three miles from DSL service provider. DSL signals deteriorate as the distance increase.

·      Satellite

            Satellite Internet service provides high-speed internet connections via satellite to a satellite dish that communications with a satellite modem. It is a slower and more expensive than cable or DSL connection. It typically provides a data transfer speed up to 4 Mbps. Satellite is why it is less reliable than cable and DSL.

·      Mobile Wireless

                  Mobile wireless internet access is most commonly used with mobile devices. It enables the user to connect to the internet using cellular 3G provide and 4G network standards. The signals are transmitted by a series of cellular towers. 3G provides the data transfer rates of 3.8 Mbps or more. The 4G mobile connection provides a speed of up to 100 Mbps. Some networks also provide 4G LTE that delivers the speed of 6 Mbps to 1 Mbps. It is faster than 3G but does not meet the rate required to be true 4G. 

·      WIFI Hotspot

                   WIFI hotspot is a site that offers internet access to the users through a wireless access point. The WIFI hotspots are available in many public places such as airports, schools, hotels, libraries, and restaurants. Some public WIFI hotspots are free but some charge per hour, per day or on a subscription basis.

          

Some Steps To Develop An Computer Program:

A program has to go through the following stages to develop a computer program:

Stages:

Ø Defining and Analyzing Problem

          In this stage, a programmer studies the problem. He decided the best way to solve this problem. Studying a problem is necessary because it helps a programmer to decide about the followings things:

Things:

·        The facts and figures which are necessary for the development of the program.

·        The way in which the program will be designed.

·        The language in which the program will be most suitable.

·        What is the desired output and in which form it is needed, etc.

IT Expert Solutions provides the Some Steps To Develop A Computer Program!

Ø Designing the Algorithm:

      An algorithm is a sequence of steps that must be carried out before a programmer starts preparing his program. The programmer designs an algorithm to help visualize possible alternatives in a program.

Ø Coding or writing the program:

       The process of writing a program is a very important step in program development. In this step, an algorithm is converted into a program. The program consists of different steps given in the algorithm. A large number of programming language according to the nature of the problem.

Ø Testing Program:

        A program must be tested in the process of program development. This process verifies the accuracy of a program. The program is tested by executing it again and again. Different values are given as input and output is checked. The errors must be detected and corrected if the output is not correct. All bugs In the program are detected and removed during program testing.

Ø Final Program:

        When the program is finalized, its documentation is prepared. Final documentation is provided to the user. It guides the user how to use the program in the most efficient way. Another purpose of documentation is to allow some other programmer to modify the code if necessary. Documentation should be done in each step during the development of a program.

Touch Screen In Just One Touch To Solve Issues!

A touchscreen is a touch-sensitive display device. The user can touch different parts of the screen with the finger or stylus to input data and issue commands. Many touch screens today are multi-touch and can recognize input from more than one finger at a time. For example, the user can use two fingers to enlarge or rotate an image on the screen.

IT Expert System provides the Information about the Touch Screen.

Uses:

·      Touch screens are commonly used in tablets, mobile, retail store self-checkouts, ATMs and information kiosks.

·      Some models of desktop computers and laptops also have touch screens.

·      Touchscreens are popular because the user can interact with the computer easily without an external input device.

Types:

               Different types of touch screens are as follows:

Resistive:

             The touchscreen that has resistive screen can sense the pressure. It can be used with a finger or an ordinary stylus. A resistive screen can also be used by someone wearing gloves. They are only used in lower-end smartphones.

Capacitive:

                  The capacitive touchscreen can sense the conductive properties of an object such as a finger or especially to the human touch than resistive touchscreens. They are used in most of the higher-end smartphones.  

How To Make an Hacker!

An illegal access to the computer a network is called Hacking. Hacking involves compromising the security of networks, breaking the security of application software, or creating malicious programs such as viruses. The most famous types of system hacking are Denial of Service (DoS) attacked and mail bombs. DoS attacked are intended to assault a mail disjoins. The eBay was attacked in February 2000 and its Web server besieged will fake demand for Web pages. It overloaded site and made it crash.

IT Expert Specialist provide the Information about the Hacker.

Networks hackers also try to break into secure areas to find sensitive data such as credit card numbers. Application hackers break on application software to get it for free. Such hackers may set up a serial number generator that will try millions of combinations to find the correct match. Application programmers additionally attacked the program itself to remover certain security highlights.

Hackers also create viruses, logic bombs, worms and Trojan horses to perform the most malicious hacking activities. A virus is a program that can attack and corrupt computer files by hacking itself to a file. It can likewise make a PC crash by using all assets of the PC. The logic bombs are intended to attack certain occasion like an adjustment in date. Worms attack systems to duplicate and spread. A Trojan horse is a program that seems to complete a certain something, however really does something unique. A PC system may recognize a Trojan Horse as a sheltered program however it can discharge an infection, worm or logic bomb when executed.

Now, In Latest 2018 Memory Cards & It’s Types!

A Memory card is a removable flash memory to store data. Most of these cards are very small and can retain data without power. The existing data can be erased and new data can be written easily. Memory cards are available in many shapes and sizes. They are commonly used with smartphones, portable media players, digital camera and other portable devices.

A memory card can be inserted into a slot on a computer or mobile devices. However, a card reader can be attached to the computer if it does not have a slot. The card reader is usually connected to the USB port of the computer. The card reader is designed to read multiple types of memory cards.

Types Of Memory Cards:

There are many types of flash memory cards with different storage capacity. Different portable devices use different types of memory cards. The common types of memory cards are CompactFlash (CF), Secure Digital High Capacity (SDHC), Secure Digital Extended Capacity (SDXC), microSD, microSDHC and Memory Stick etc.

IT Expert Solutions provides the latest 2018 Memory Cards Information.

·        Compact Flash (CF):

CompactFlash is a storage medium commonly used in digital cameras, camcorders, smartphones and other portable devices. The storage capacity of Compact Flash can be from 8GB to 512GB.

·        Secure Digital High Capacity (SDHC):

Secure Digital High Capacity card is an improved version of the standard SD card. It is commonly used in digital camera and video recorders. Its storage capacity Up to 32GB.

·        Secure Digital Extended Capacity (SDXC):

Secure Digital Extended Capacity is commonly used in digital cameras. It provides the storage capacity of 32GB up to 2TB.

·        Memory Stick Media:

Memory Stick media is a flash memory card developed by Sony. Sony cell a newer flash memory card called Memory stick Pro Duo. It provides a storage capacity of 16GB to 32G and can be used to store photos, videos, songs etc.

·        MicroSDHC and MicroSDXC:

microSDHC and microSDXC are commonly used in smartphones and tablets. The user can record HD videos using smartphones. The storage capacity of microSDHC is16GB TO 32GB. The microSDXC can store up to 128GB of data.

Mobile Operating Systems Android, iOS, Windows Phone, BlackBerry

An Operating system used in handled computers and mobile devices is called an Operating system. It provides the graphical user interface and different features such as touchscreen support, navigation systems, speech recognition, wireless connectivity, email and Web browsers etc. Some examples of the Mobile operating system are Android, IOS, Windows Phone, BlackBerry, and FireFox OS.

IT Expert System provides the latest information about Mobile Operating System.

·        iOS:

iOS is developed by Apple and is based on Apple’s Mac OS X operating system. It is designed for Apple’s mobile devices such as iPhone, iPad and iPod touch. It supports multi-touch input and multitasking. There are millions of applications available for iOS via the Apple Store. It includes Safari Web browser and Apps for email, messaging, music, search and video calling. It also includes a Notifications Center to view all notifications in one location. It also provides Find My iPhone app to locate, lock or remotely wipe a lost or stolen device.

·        Android:

Android is a mobile operating system designed by Google. It is an open source Linux based operating system for smartphones and tablets. Different manufacturers produce devices that run the Android operating system. Android supports multi-touch and multi-language capabilities. There are millions of applications available for Android via Google Play. It allows the mobile user to use Google Drive to store access email, contacts, calendar, photos, files online. It recognizes fingerprints and the user can unlock the device by scanning a finger for better security.

·        Windows Phone:

Windows Phone is a proprietary mobile operating system developed by Microsoft. It runs on some smart phones. Some important features of Windows. It provides tile-based start screen interface to show real-time information about missed calss, unread messages, and social networking updates etc. it provides access to OneDrive to save documents, photos, music and videos. It allows the user to use the mobile as a remote control for the TV. It also provides mobile versions of Internet explorer, Microsoft Word, Excel and PowerPoint. Windows Phone Store provides the access to additional apps and software.

·        BlackBerry:

BlackBerry is a proprietary operating system that runs on handled devices developed by Research In Motion (RIM). BlackBerry devices provide the capabilities of managing schedules, contacts and appontmintes. They also provides the facility of phone, sending email messages, text messages and browsing the Web etc. Some BlackBerry devices include a mini Keyboard and touch screens.

·        FireFox OS:

FireFox OS is a Linux-based open source operating system. It runs on smartphones and tablets developed by Mozilla.

How Biometric Devices are the Fastest Identified Technology?

Biometric is a technology to authenticate the identity of a person by verifying personal characteristics. The Biometric devices analyze some biometric identifier and then great access to a program, system, or room. A Biometric identifier is a physiological or behavioral characteristic of a person. It is related to the physical or chemical activities in the body. The fingerprints, hand geometry, facial features, voice, and eye patterns are some examples of biometric identifiers.

IT Expert System provides information about the Biometric Devices.

A biometric device converts a personal characteristic in digital code. This digital code compared with a digital code stored in the computer. The access is not granted to the user both digital codes do not match.

A fingerprint reader is the most widely used biometric device. It scans the curves and indentations of a fingerprint. The fingerprint reader is very inexpensive and costs less than $100. It can be easily used by home and small business users to authenticate users. The external fingerprint readers are also available that can be plugged into a USB port. Some latest keyboards and notebook computers also have a fingerprint reader for logging on the computing using fingerprints without entering username and password.

A facial recognition system captures the live face image of a person. It compares this image with another image stored in the computer to authenticate the person. This system is used in the buildings to authenticate a person before allowing him to enter. It is also used In airports to protect the public. Some notebook computers use this system to protect the computer system. The system can also identify the user with or without the glasses, makeup, or jewelry.

The hand Geometry system is used in biometric devices to measure the shape and size of the hand. The cost of this type of system is more than $1000 and only larger companies usually used it.

A voice verification system compares the voice of a person with the stored voice. Some larger companies use this system as time and attendance devices. It is also used for accessing sensitive files and networks. The financial organizations use these systems in secure telephone banking transactions.

A signature verification system identifies the state of written by hand signature. It also measures the weight and movement used to write the signature. This system utilizes an uncommon pen and tablet.

An Iris recognition system uses iris recognition technology to read the patterns in the iris of an eye. These patterns are unique in the eyes. This system is very expensive and is used by government security organizations, military, and larger financial organizations. Some organizations use a retinal scanner that works similarly. However, this scanner scans the patterns of blood vessels in the back retina.

The line-of-sight system is used to use your eyes to point at the screen. This technology allows some physically disable users to direct computer. For example, a disable person can focus his eyes on a specific area of the screen to issue a command to the computer. A camera is used to identify the area on which the user is focusing. 

Brief & Shocking History Of Internet!

The work on the Internet was started in the 1960s during the Cold War between Russia & America. America wanted to communicate with its own armed forces. A network of four computers was established at the start for this purpose.

IT Expert Advice will give you brief History Of the Internet.

o   ARPANET:

Russia launched the Sputnik satellite and America established a network known as ARPANET during the Cold War. It was produced for Advanced Research Project Agency (ARPA). ARPA dealt with a project to send data to the military at long separations. Different associations and Universities also involved in this research.

o   Paul Baran:

In 1964, Paul Baran published a paper on Distributed Communication Networks. It was a hypothetical thought for information exchange. It includes the decentralization of information storage, advanced bundles, and routers for data transfer.

o   NCP Protocol:

A protocol is a collection of rules. NCP (Network Control Protocol) was developed in the 1970s. It was the first standard protocol for data transfer.

o   DARPA:

DARPA stands for Defense Advanced Research Projects Agency. It was a new name of ARPA. Now 37 computers were connected together. DARPA began work to share information a solitary system as well as among various systems. Stanford Research Institute participated in this research.

o   TCP/IP:

A team of Stanford Research Institute developed a protocol called TCP/IP. It stands for Transmission Control Protocol/ Internet Protocol. It was designed to share and transfer data among different networks.

o   BITNET & CSNET:

BITNET stands for Because Its Time Network & CSNET stands for Computer Science Network. These were established for non-military persons. These networks were used for academic and research purposes. IBM computers and University computers were connected together in these networks.

o   World Wide Network:

Soon the idea of the Internet came out. Different Universities and the research Institutes started work on a global network. In 1986s, NSFNET was developed. It connected academic research of different countries together.

o   Internet:

The Internet is now the largest network in the world. Millions of computers are connected together through the different medium. People can share information, data. Any computer with a modem and telephone line can become a part of the Internet.