Presentation on theme: "Computer Applications in Business"— Presentation transcript:
1 Computer Applications in Business Recommended Book (University of the Punjab)Computer Applications in BusinessBy: Dr. Liaqat Ali ChaudhryHarris BilalYour Queries at
2 BC-302 Computer Applications in Business Mid – Term35% (140 Marks)Final - Term50% (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 ComputerCharacteristics of ComputersHistory of Computer -Generation of Computer -Types of ComputerClassification of Digital ComputerAssignment
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 StorageEducationCommunicationDefense PurposeOffice WorkScience and TechnologyTraining PurposeTransportationE-LearningMedical Science
7 1.1.2 Characteristics of a Computer SpeedHigh Speed DeviceData and instructions flow along through circuits with high speed that is close to speed of light.MHz (Mega Hertz) or GHz( Giga Hertz)AccuracyGarbage- Garbage OutStorageInternal memory , secondary memory (HD, CD, etc)EfficiencyMultiple tasks simultaneously.At same time you can communicate, store and retrieve information .AutomationPerform operations without interference of the userControl different devices attached with the computer.Example : program instructions in PC, ATM, Transportation System,
8 Characteristics of a Computer (Continue) ConsistencyDifficult for People to repeat an act again and again.Example: lecturerMeanwhile computer doesExample: Spell Checker , multimedia animationPrecisionPerform 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.ReliabilityLow failure rateNo need of service call for modern personal computer.
9 Characteristics of a Computer (Continue) Retrieving data and programsData can be store and retrieve and store very quickly for further use (processing).VersatilityMean FlexibleCan 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 s if it is connected to internet.CommunicationExchange messages, Chat, Video Conferencing , Audio conversation.