What is computer:
A computer is an electronic device designed to work with information. The term computer comes from the Latin word "computer", which means "a machine capable of calculation or programming". A computer cannot do anything without programs. This represents his decimal as a sequence of binary digits. The word "computer" usually refers to the central processing unit and internal memory. Charles Babbage is called the "grandfather" of computers. The first mechanical computer designed by Charles Babbage was called an analysis engine. It uses read-only memory in the form of punched cards.
A computer is an electronic device that takes input from a user, processes that data under the control of a set of instructions (called a program), delivers the results (output), and stores them for future use. It can handle both numeric and non-numeric (arithmetic and logical) calculations.
Limitations of First Generation Computer?
Below are the main drawbacks of first-generation computers.
1. Used valves or vacuum tubes as the main electronic component.
2. Large size, slow processing, and low storage capacity.
3. It used a lot of electricity and produced a lot of heat.
4. Their computing power was limited.
Five. They weren't very accurate or reliable.
6. They used machine language for programming.
7. They were very expensive.
Uses of Computer?
Education:
Getting the right kind of information is a big challenge, as is finding meaningful information. A college student on average he spends 5-6 hours a week on the Internet. Studies show that computers can significantly improve learning performance. Internet-exposed students say the Internet has improved the quality of their academic research and publications. A revolution in education is the advent of distance learning. It offers a variety of internet and video-based online courses.
Health and Medicine :
Computer technology is fundamentally changing the tools of medicine. All medical information can now be digitized. The software can now calculate disease risk. Mental health researchers are using computers to study troubled teenagers who need psychotherapy. A patient paralyzed by a stroke received an implant that allows communication between the brain and a computer. As a result, through his intellect, he can move the cursor around the screen and convey simple messages.
Business :
Businesses clearly see interest rates as an opportunity to increase productivity and competitiveness. Fast-moving business areas include sales and marketing, retail, banking, and stock trading. In addition to being better trained and informed about the customer's business, salespeople also need to be computer savvy. The Internet has become a popular marketing tool. The world of cyber cash has arrived in the banking industry, not only smart his cards, but also internet banking, electronic deposits, bill payments, online stock and bond trading.
