Healthy Lifestyle in a Modern World

During the recent years many people have started doing exercise, taking yoga classes and also following strict diet in many countries. The reasons behind these activities are many, like work-stress, people suffering from diabetes, people taking lots of fats in their food and due to the pollution and the ongoing urbanization. Most of the people living in the cities suffer from heavy pollution due to heavy intakes of carbon monoxide in their bodies. Due to this heavy intake there are many side effects involved in this process.

Most of the people are also addicted to smoking and alcohol, recent studies by an organization out of 100 people 60 percent drink significantly more than is healthy. Also in most of the countries even the percentage of the female population abusing alcohol is increasing. Due to this many of the doctors suggest people take regular exercises and also play sports in their leisure time. In the last ten years heart diseases has increased enormously from 35% to 70%. In recent years most of the children are born with diseases, a result of their parents poor health and lifestyle. So in these times it is necessary to follow some rules so that our health as well as our younger generations will be healthy.

Keeping healthy is nothing but keeping our body clean with healthy habits like taking regular exercise. First of all a regular jog of 2 km is enough for an individual of an average age. During the school days till college everyone is involved in one or other sport, but when people find a job they forget about health and they soon become busy in their work. One should consult their doctor every 3-4 months for a regular checkup’s. They should not be stressed – if they find stress they should take yoga classes every day, so that their blood pressure will be normal. Otherwise that would lead them to hyper blood pressure or hypo, which may lead to heart disease. Most of the corporate companies in USA as well as rest of the world are employing dietitians, physiotherapists, and also good doctors to take care of their employees.

The next thing I want to discuss is the diet because the intake food which we are taking is responsible for all the fats, carbohydrates,proteins and necessary enzymes which will be useful for the energy conversion or utilization in the human body. We should follow the diet very strictly by avoiding the junk food available in the market. A recent survey states that most of the people fall ill by consumption of junk food. A food with little fat is advisable because by taking more fat content the fat will be accumulated in the veins and arteries in the human body which result in high blood pressure which may lead to heart disease. In order to reduce the fats in the human body we should take less oil or cheese or butter in our food there by controlling the fats in the human body. Regular exercise will be helpful to control the fat in the human body.

By playing sports it will be a good exercise in the human body. Swimming is also a good sport. We should maintain our body weight according to our height. There we can reduce our health problems to most of the extent. I conclude my discussion to the above topic by saying that a regular exercise or yoga and a strict diet and playing sports and regular check ups we can keep our body healthy after all there is an old saying “Health is Wealth”.

Computer and Technology Today

Computer plays an essential role people’s day to day life especially at work place, schools and even in home. Twenty first century has been the age of so many technological advancements aimed for making the lives of people better. Computer helps them become more efficient in their work.

Computer technology in banking:

Technology has made our living easy and comfortable, for instance our banking needs. Previously people need to maintain the important data of their customers manually. But right now, in just one click, they would be able to find all the customers’ data instantly. The customers are able to know about the transactions of their account by logging in to the bank website. Moreover, it is possible to apply for loans through online.

Improvements of computer technology:

Computer technology has improved our life style far better than before. Due to the emergence of internet and technology, the world has shrunk to a global village. Even though the advancement in internet creates new challenges like computer problems and virus threats, the computer technology like antivirus software made easy to overcome these problems.

Computer in food industry:

The automation and computerization in food processing units is facing lots of challenges if they are used nearby water catastrophic effects on any computer system. Most food processing units prefer waterproof computers to protect their computer systems from drenching in the production area.

Computer in medical field:

Hospital is an important organization and computers are used for the management of a hospital. The accounting, payroll and stock system of the hospital have been computerized in recent days. We can maintain the record of different medicines, their distribution and use in different wards etc. using computer. Even the disease can be diagnosed by entering the symptoms of a patient. Moreover, various computerized devices are used in laboratories for different tests of blood etc.

Computer in agriculture:

Nowadays agricultural industry is also making use of the computers. The analysis that was taken some few years before shows that 44% of the farmers in Ohio are using computers for various purposes. In 1991, only 32% of the farmers were making use of it. This shows that there is considerable increase in the farmers who are using computers. As internet becomes the means of communication, most farmers use this technological advancement for transaction processing or for retrieving information. The analysis shows that out of the total farmers who were surveyed, 80% of them are making use of the internet.

Computer in education:

Due to the globalization of education, so many challenges are posed by the new trends. In order to face all these challenges, information technology in the education sector is very important. It is essential that the students become familiar with the concept and use of information technology in order to equip them for future job market. Similarly, the faculty can achieve better quality in teaching methodology. The computer technology has developed in many fields. Its drastic development has created an immense impact in almost all the fields and thus leading to a new era.

The Significance of Computers in Our Lives

2010; mankind has come a long way since the first discovery of fire a few hundred thousand years ago. Fire used to be a necessity then, now the computer is a necessity for us as we use it in our daily lives.

One way computers help us is in our lives. We use the computer to communicate with people such as web conferencing with friends who are overseas, to look up on information about a particular topic, socialize on social networks such as Facebook or even to do something as simple as sending an email or digital cards to friends and loved ones.

The computer has also managed to change us from reading hard copies of books, magazines and newspapers, to reading online digital documents such as online newspaper articles and e-books.

In education, lecturers are now using PowerPoint to make their lecture slides which are used during their lectures and students are now able to download the lecture slides into their computers and store it as reading documents.

In the working place, paperwork is now slowly converting from manual printing and keeping documents to storing documents in the computer. The problem with paperwork is that it takes up a lot of space and an office has limited space. Moreover, going digital will help the environment as there will be less demand for paper which results in lesser trees being cut down to be made into paper.

However, there have been some issues raised about digital documents. A digital document can be created and edited by anyone, thus this leads to the owner verification problem. It is dangerous in the working environment, because anyone can edit a contract or agreement after it has been signed and used it against the other party. Another problem would be if one accidentally deletes the document, it will be hard to trace the perpetrator and also very hard to retrace the document.

History and Components of a Modern Mainframe Computer

Mainframe computers are critical for some of the largest corporations in the world. Each mainframe has more than one modern processor, RAM ranging from a few megabytes to multiple-score gigabytes, and disk space and other storage beyond anything on a microcomputer. A mainframe can control multiple tasks and serve thousands of users every second without downtime.

The chief difference between mainframes and other computing systems is the level of processing that takes place. Mainframes are also different in terms of data bandwidth, organization, reliability, and control. Big organizations-banking, healthcare, insurance, and telecom companies, etc.-use mainframes for processing critical commercial data.

In this article, we discuss the evolution of mainframe computers and their components.

History of mainframe computers

IBM developed a critical part of mainframe computing, the Automatic Sequenced Controlled Calculator (ASCC) for arithmetic operations, in 1944. From the late 1950s through the 1970s, several companies manufactured mainframes: IBM, Burroughs, RCA, NCR, General Electric, and Sperry Rand, for example. Since then, System / 390 by IBM is the only kind of mainframe in use. It evolved from IBM's System / 360 in 1960.

An Early mainframe occupied a huge space. New technologies have drastically reduced the size and cost of the hardware. A current-generation mainframe can fit in a small closet.

Components of a modern mainframe computer

Like a PC, a mainframe has many components for processing data: operating system, motherboard or main board, processor, controllers, storage devices, and channels.

• Motherboard: The motherboard of a mainframe computer consists of a printed circuit that allows CPU, RAM, and other hardware components to function together through a concept called "Bus architecture". The motherboard has device slots for input cards and cable interfaces for various external devices. Where PC motherboards use 32- or 64-bit buses, mainframes use 128-bit buses. General instructions regarding the internal architecture help the motherboard connect to the other devices and retrieve data using binary computation.

• Processor: A CPU acts as the central processing point in mainframe architecture and includes an Arithmetic Logic Unit (ALU) for performing arithmetic calculations. It also works as a controller for the bus architecture and handles traffic and data requests. The processing power of mainframes is much higher compared to PCs, so that they can handle huge amounts of data.

• Storage devices: Storage devices are for entering, retrieving, storing, and recording data. Many are external devices, such as hard drives, tape drives, and punch card readers, all connected to terminals of the mainframe and controlled by the CPU. Their capacity for data storage can be hundred or even thousands of times that of a PC.

• Communication controllers: Communication controllers allow remote computers to access a mainframe. With the help of networks, LAN or WAN, communication controllers establish connections with various devices, perform data transmission over communication channels, and keep track of users at terminals.

• Channels: The "channels" are the cables used to connect the CPU and the main storage to other parts of the system and make sure that data is moved in a systematic way without losing its integrity.

Modern mainframes have advanced features such as expanded service management capabilities, cross-platform integration facilities, etc. And so are suitable for critical data center operations. The cost of maintaining modern mainframes is much less compared to older models.