could u tell me of several computer applications(familiar with) that wheather are primary effective or efficient. exp. doing homework by computer, company web sites,store scanner etc.-effective or efficient WhY?

After browsing the 2 links at the bottom, try to find any aspect of our lives that is not touched by computer applications. For example, medicine, automobiles, marketing, games, military supplies, military intelligence, astronomy, biology, chemistry, physics,...
Then write your essay about all these applications of computers to every aspect of our lives.

http://www.google.com/search?hl=en&lr=&safe=active&as_qdr=all&q=allintitle%3A++%22computer+applications%22+

http://www.google.com/search?q=allintitle:++applications&hl=en&lr=&safe=active&as_qdr=all&start=20&sa=N

Computer applications have become an integral part of our daily lives, revolutionizing the way we work, communicate, and access information. The primary effectiveness or efficiency of these applications depends on how well they serve their intended purposes. Let's explore a few computer applications and determine whether they are primarily effective or efficient.

1. Doing homework by computer: Effective
Doing homework by computer allows students to access vast amounts of information through the internet, making research easier and more convenient. It enables students to organize their work digitally, collaborate with peers, and submit assignments electronically. Overall, this application is effective as it enhances productivity and access to resources.

2. Company websites: Effective and efficient
Company websites serve as a digital storefront, offering information about products, services, and contact details. They provide a platform for customers to research, inquire, and make purchases online. Company websites are effective as they enable businesses to reach a wider audience and improve their customer service, while also being efficient in reducing the need for physical storefronts and additional staffing.

3. Store scanner: Efficient
Store scanners are used in retail environments to streamline the checkout process. By scanning barcodes, prices are automatically retrieved, reducing the time required for manual price entry and minimizing errors. Store scanners are primarily efficient as they expedite the payment process, resulting in shorter queues, improved customer satisfaction, and reduced labor costs.

These examples highlight how computer applications have positively impacted various aspects of our lives. However, it is important to acknowledge that the scope of computer applications extends far beyond these specific instances.

Computers have made tremendous contributions to fields like medicine, where they assist in diagnostics, research, and patient records management. In automobiles, computer applications are used in engine management systems, navigation, and driver safety features. In marketing, computers facilitate targeted advertising, data analysis, and customer relationship management. Games, developed using computer applications, provide entertainment and education for millions of individuals worldwide. Military supplies and intelligence heavily rely on computer applications for logistics, communication, and strategic planning. Computers play a vital role in astronomical observations, enabling scientists to analyze massive amounts of data. Fields such as biology, chemistry, and physics utilize computer models and simulations to conduct research and make scientific discoveries.

In summary, computer applications are ubiquitous and have proliferated into almost every aspect of our lives. They offer a range of benefits, including enhanced productivity, convenience, improved decision-making, and cost savings. The primary effectiveness or efficiency of these applications varies depending on the context in which they are employed.