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Computer Applications in Business

Computer Applications in Business. Recommended Book (University of the Punjab) Computer Applications in Business By: Dr. Liaqat Ali Chaudhry Harris Bilal. Your Queries at E-mail: qasim@hcc.edu.pk. BC-302 Computer Applications in Business. Mid – Term 35% (140 Marks) Final - Term

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Computer Applications in Business

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  1. Computer Applications in Business Recommended Book (University of the Punjab) Computer Applications in Business By: Dr. Liaqat Ali Chaudhry Harris Bilal Your Queries at E-mail: qasim@hcc.edu.pk

  2. BC-302Computer Applications in Business • Mid – Term • 35% (140 Marks) • Final - Term • 50% (160 Marks) • Sessional Marks (Class attendance, assignment, presentation, Test, Quiz) • 15% (100 Marks)

  3. Chapter No.1 Introduction to Computer System • What is Computer? • Uses of Computer • Characteristics of Computers • History of Computer - • Generation of Computer - • Types of Computer • Classification of Digital Computer • Assignment

  4. 1.1 What is Computer? • A computer is an electronic device that can accept data, process it, store it and give results after that processing. Brain of Computer

  5. 1.1.1 Uses of Computer Common uses of computer which are as follow: • Data Storage • Education • Communication • Defense Purpose • Office Work • Science and Technology • Training Purpose • Transportation • E-Learning • Medical Science

  6. Office Automation • Banking • Internet • Video Conference • Stock Exchange • Publishing • Government • Sports • Research Purpose • Gaming Purpose • E-mail • Online Purchasing • Online Selling • Data Analysis

  7. 1.1.2 Characteristics of a Computer • Speed • High Speed Device • Data and instructions flow along through circuits with high speed that is close to speed of light. • MHz (Mega Hertz) or GHz( Giga Hertz) • Accuracy • Garbage- Garbage Out • Storage • Internal memory , secondary memory (HD, CD, etc) • Efficiency • Multiple tasks simultaneously. • At same time you can communicate, store and retrieve information . • Automation • Perform operations without interference of the user • Control different devices attached with the computer. • Example : program instructions in PC, ATM, Transportation System,

  8. Characteristics of a Computer (Continue) • Consistency • Difficult for People to repeat an act again and again. • Example: lecturer • Meanwhile computer does • Example: Spell Checker , multimedia animation • Precision • Perform operations accurately and precisely. • Example: calculations and rounding fractional values you can keep the accurate and precise up to level of your desire. • Lengthy calculations remain precise. • Reliability • Low failure rate • No need of service call for modern personal computer.

  9. Characteristics of a Computer (Continue) • Retrieving data and programs • Data can be store and retrieve and store very quickly for further use (processing). • Versatility • Mean Flexible • Can perform different kind of tasks one by one or simultaneously . • At one moment your are playing game and in next moment you are composing and sending emails if it is connected to internet. • Communication • Exchange messages • Email, Chat, Video Conferencing , Audio conversation.

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