5 basic operations performed by computer system Inputting Storing Processing Outputting Controlling The internal structure of a computer looks like above: Input unit: Input unit links the external environment with the computer system. Data and instruction must be entered to the computer before performing any competition. Data or instructions can be entered through input devices eg. Key board‚ or any other input devices. Input unit transferred this data into binary coded in short input unit
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HISTORY AND APPLICATIONS OF COMPUTERS || INTRODUCTION When more than one thing is needed to work together before an action can take place‚ we say we have a system. The computer needs several things before it can be used to solve problems. Therefore‚ we say the computer is a system. We may have systems around us even in our body. How we eat or what happens to the food we eat is a system. This is called the Digestive System. We need mouth‚ tongue‚ teeth and stomach for us to make good
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Selected objective question on Introduction to Computers with answer :Set 4 1. How many input lines are needed to construct 1024 bit coincident core plane? (a) 8 (b) 16 (c) 32 (d) 64 (e) None of the above. ANS: d 2. A digital computer is based on the principle of (a) measurement 1 / 23 Selected objective question on Introduction to Computers with answer :Set 4 (b) logic (c) multiplication (d) counting ANS: d 3. How many types of storage loops exist
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History of Computer Introduction Man’s progress is measured by sophistication of his tools. First‚ he discovered how to control fire. Eventually‚ he invented the wheel. He built boats and earned to harness the wind. As soon as commerce developed in the early societies‚ people recognized the need to calculate and keep track of information. They soon devised simple computing devices and bookkeeping systems to enable them to add‚ subtract‚ and simple record transactions. Today‚ we are witnessing
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Improvements on common machines Computer- For most of the people‚ computer is a machine used for a calculation or a computation‚ but actually it is much more than that. Precisely Computer is an electronic device for performing arithmetic and logical operation. Or “Computer is a device or a flexible machine to process data and converts it into information.” To know about the complete process that how computer works‚ we will have to come across the various terms such as Data‚ Processing and Information
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INTRODUCTION The history of computer development is often referred to in reference to the different generations of computing devices. Each of the five generations of computers is characterized by a major technological development that fundamentally changed the way computers operate. The history of computer development is often referred to in reference to the different generations of computing devices. Each of the five generations of computers is characterized by a major technological
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effort a customer needs to put into dealing with his computer problem. • Surprisingly‚ our small size is an advantage: customers will recognize us (and future employees)‚ and will know they will get the same great service every time they call. 4.1 Implementation Because we are the one-stop solutions center for your entire computer needs. Not only can we support your software and hardware‚ but Computer Repair Center can repair your computers‚ networks‚ hardware‚ software‚ data back up‚ and much
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Assignment # 01 History Of Computers Introduction To Computer Submitted by Irrum Fatima 2013-B.env-029 2nd Semester Environmental Sciences Submitted to Madiha Wahid Department of Environmental Sciences FJWU – Rawalpindi Computers Computers are the Electronic Device Have Storing Capabilities Have Processing Capabilities Give outputs against inputs Give instructions to carry out operations and then store in memories Computers made our lives easy and reliable. Now a day‚ computer becomes necessary
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The 20th century witnessed utmost usable invention of computers. The invention of the wonder machine was considered a heavy leap in the history of our civilization. As technology advanced‚ so were the computers trained to program according to the needs of its users. A sensational endeavor‚ its launch gifted mankind an encyclopedia of wisdom which facilitated the re-brushing of our long forgotten hooks on history and today it stands as the epitome of fulfilling man’s never ending desires. E-commerce
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Brief History of Computers (A Look Back at Computing) Computers have become one of the most important parts of modern society. Nearly everything that is modern required or uses computer related technology in some way. But how did computers as we know them come to exist? Did someone sitting in his lab just one day say‚ "Aha! I’ve got it! The computer?! Well‚ no‚ that is not how this happened. Rather‚ many years of brilliant ideas and research from many different individuals contributed
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