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Sunday, March 5, 2017

WHAT IS THE COMPUTER. & INTRODUCTION OF COMPUTER

Its a Personal Computer Model
A Personal Computer.

Computer is an Electrical device. it's a big determent for us. Today Computer go out of our mind. At present, many places are using the computer. For example, general store, office, Factory, School, Collage and many others place. We are now using the technology that is nano and Micro for make the computer. Now we will learn more about computers.

Introduction To Computer

Today's computers Come in many different forms. They range from massive, multipurpose mainframes and supercomputers to desktop-size minicomputers, personal computers. Between these extremes is a vast middle ground of arid. workstations. Large minicomputers approach mainframes in computing power, whereas workstations are powerful personal computers.


Laptop



Mainframes and large minicomputers are used by many businesses, universities, hospitals and government agencies to carry out sophisticated scientific and business calculations. These computers are expensive (large computers can cost millions of dollars or taka) and may require a sizable staff of supporting personnel and a special, carefully controlled environment.




Figure 1.1 shows a student using a PC/laptop computer.

Despite their low cost and small size, modern personal computers and approach minicomputers in computing power. Moreover, their performance continues to improve dramatically as their cost continues to drop. They are now used for many applications that formerly required larger, more expensive computers. The design of a personal computer permits a high level of interaction between the computer and the user. Most applications (e.g., word's processors, graphics program, spread sheets and database management programs also) are specifically designed to take advantage of this feature, thus providing the skilled user with a wide variety of creative tools to write, draw or carry out numerical computations. Applications involving high-resolution graphics are particularly common.


Computer in Business 



• Many organizations connect personal computers to larger computers or to other personal computers, thus permitting their use either as stand-alone devices or as terminals within a computer network. Connections /. over telephone lines are also common. When viewed in this context, we see that personal computers often r complement, rather than replace, the use of larger computers.

What is Computer






A computer is a device that accepts manipulates and information it for some result based on a program or sequence of instructions on how the data is to be processed. Computer is an electronic device that is designed to work with Information. You may already know that you can use a computer to type documents, send email, play games, and browse the Web. You can also use it to edit or create spreadsheets, presentations, and even videos. It represents the decimal numbers through a string of binary digits. The Word 'Computer' usually refers to the Center Processor Unit plus Internal memory.

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