HISTORY OF COMPUTER Abacus - The First man-made computing device. - It can perform addition and subtraction - invented in China Pascal’s calculating machine/Pascaline - The first mechanical calculator - Invented by Blaise Pascal - Can perform addition & subtraction Leibnitz calculator - First general-purpose calculating machine - Extended version of Pascal Calculating machine - Can perform multiplication and Division - Invented by Gottfried Leibnitz Automatic
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Computer Malware Computers have become a part of many people’s everyday life and most families own at least one computer at home. Although computers have brought many conveniences to a person’s daily life‚ there are people out there that have bad intentions such as stealing other people’s private data. Through these intentions‚ these people have made many softwares to achieve their goals. These softwares are called “Malware” and they have the ability to corrupt a computer’s system and cause
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BTEC HIGHER NATIONAL DIPLOMA ASSIGNMENT FRONT SHEET COMPUTER SYSTEMS ASSIGNMENT 1 COURSE: UNIT CODE: LECTURE DAYS: VENUE: DURATION: LECTURER: DATE OF ISSUE: HAND IN DATE: NO.: 1 Computer Systems L/601/0446 Wednesdays Champs Fleurs September ’13 – January ‘14 Karleen Lall Wednesday‚ October 9‚ 2013 Wednesday‚ November 13‚ 2013 2 3 RESUBMISSION Student Name: _______________________________ Edexcel No.: _______________ Criteria reference To achieve the criteria
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Computer Organization & Architecture Lecture #12 Organization and Architecture Computer Architecture Those attributes of the system that are visible to a programmer. Those attributes that have a direct impact on the execution of a program. • • • • Instruction sets Data representation – number of bits used to represent data Input/Output mechanisms Memory addressing techniques Computer Organization The operational units and their interconnections that realize the architectural specifications. Those
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Developing) which are not offered by a typical Internet Café. The business can be established in any of the major cities of the country. 1.2 Opportunity Rationale In a short period of three decades‚ computer has become a household item all around the world. With the introduction of Internet‚ in the 90s‚ computers became a significant medium to communicate with people around the world. It became a source of information and now there is an increasing number of businesses shifting toward e-Commerce‚ which
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computer network Connects three office computers and one computer used for Point-of-Sale (POS) services at each of your stores. You also want six (6) computers in the lobby/store where patrons can download music and you can run “training classes” for people to learn about using MP3 players and get other basic information. The two offices have to be connected into one cohesive network‚ sharing POS services and other critical company information. You also need to provide a “hand out” casual
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Brewing Company: Bringing the Brand to Light 1. What are the pros and cons of introducing or not introducing Mountain Man Light to the market? Read carefully the case and make a list of the pros and cons of each possible action. Use the following table to summarize your findings. Consider the following points: Introducing Mountain Man Light Not introducing Mountain Man Light Pros Cons 2. Estimate the financial projections of MMBC from 2006-2010 assuming the company decides
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5’ x1’ Technology: Relays‚ Teletype Memory: 2 Complex Numbers Program: Fixed‚ complex arithmetic calculator Speed: 02 operations per second Z3 Inventor: Konrad Zuse Builder : Konrad Zuse Operational : 1941 Retired: 1944(Destroyed) Cost: $6500 Size: Two 6’ x 3’ x1’ Memory racks Technology: Relays Memory : 64 22-bit floating point words Program: 35mm punched film Speed : 0.5 Operations per second Application: Circuit Analysis‚ defense‚ prototype Atanasoff-Berry Computer(ABC) Inventor
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Case Study : Atlantic Computers Index: Topic Sequence Company Overview Price Strategy adopted..........................................................................1.0 Matzer’s reaction to your recommendation...............................................2.0 Cadena’s reaction to your recommendation..............................................3.0 Customer’s reaction..............................................................................4.0 Responses to
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COMMUNICATIONS TECHOLOGY 1. How does ICT differ from IT? 2. How useful do you think is Morse code even to this day when various modes of Full Duplex communications abound from simply text‚ voice‚ and even video? 3. How would you show tact and respect in sending messages via e-mail‚ or in replying to discussion threads in forums‚ or in chat session? 4. What would you do if you happen to listen to distress signal such as: … --- … ‚ or a Triple BREAK‚ QUF‚ 10-33? 5. How proficient
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