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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Computer technology permeates most aspects of our lives. The ability to use computer technology and to evaluate electronic information has become a basic skill for most of people. In most places of business‚ a computer is standard. In the bank they use computers to look up for account information. They use computers in the auto repair shop to assess the cars. We can’t find books in the library by looking in a card catalog — we must use a computerized database. Doctors’ offices utilize computers
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Generations of Computer Computer Age: Past‚ Present‚ and Future The First generation The Second Generation The Third Generation The Fourth Generation The Fifth Generation The Computer Age 1951-1958 The First Generation Vacuum Tube – – Rapid changes Four generations over 50 years Trends across generations – Decrease size – Increase speed Magnetic core memory Storage – – Heat Burnout Machine language Punched cards Tape (1957) Characteristics of 1st Generation Computers Computers
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keyboard-8 bit Computer systems v Manual systems Benefits of computer system: Takes up less space Searching is very quick More than one person can access the same data form their network PC. The data stays in the computers memory Fewer staff are needed to look after a computer system Reports can be generated very quickly-automated Problems of a computer system: Setting up is very expensive Computer systems need people to maintain them POWER CUTS! It is easy to hack into a computer system.
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Introduction to Computer Viruses It’s Saturday morning. You boot up your Windows 98 computer and lo and behold‚ the graphics on the desktop are a mirror image of what they should be. Congratulations‚ you have a computer virus! According to "Virus Bulletin‚" the Oxfordshire‚ England-based technical journal that tracks viruses‚ this new virus flips any uncompressed bitmaps horizontally‚ but only on Saturdays. This bulletin credits GriYo of the 29A virus-writing group as the author of this 32-bit
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The advent of computers has revolutionized the workplace and redefined operational practices. The use and deployment of computers‚ computer systems and information technology (IT) applications in every aspect of business is now commonplace. The recent application and adoption of Web-based‚ information and telecommunication technologies has force-multiplied the capabilities and benefits of computers. The importance of computers in business cannot be overstated. Collaboration o Businesses are using
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Saint Paul College Foundation‚ INC. Mandaue Branch A Research on Computer addiction among 3rd year and 4th year students of St. Paul College Foundation INC Jason A. Labaya And Jed C. Gorgonio Submitted in Partial Fulfillment of the Requirements in English IV High School Department St. Paul College Foundation INC Feb.21‚ 2011 APPROVAL SHEET The research paper attached hereto‚ entitled “Computer addiction among 3rd year and 4th year students of St. Paul College Foundation INC”‚ prepared and
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Top 10 Computer Uses in Business Written by: Catalogs.com Editorial Staff December 28‚ 2010 Filed Under Tech and Electronics Tags: Business‚ computer‚ ten‚ top Contributed by Sara Shea‚ Catalogs.com Info Guru Technology has forever changed the business world. In order to stay technically competitive and efficient in today’s information age‚ the majority of businesses now rely on computers. Computer uses in business range from the scanner at the checkout line of the grocery store to the
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Our society is full of battles with malevolence. A world without conflicts and hostility is unnatural‚ because human beings are not able to live harmoniously and peacefully‚ we fight to survive‚ and we are simply just imperfect. Where there are people‚ there’s war. Human beings aren’t able to live harmoniously and peacefully. We are born as selfish and greedy creatures‚ leaching off each other in secret. Proud‚ inconsiderate‚ and rebellious traits barely describe our inner selves. We are always
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Business Report Prosperity Without Growth Author : Michelina Janet Wiyana 3385044 Executive Summary The aim of this report is to provide future vision and strategy for a sustainable Colourful Corporation to counter any potential issues that could arise in regards to the analysis of future prospect of sustainability (economy and environmental). Using theoretical frameworks and available information‚ analysis will be provided based on these factors: • Sustainable Investment
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