Perfect Computer Notes

Today, computers are being used in every field of life. Here we discuss Uses of Computers in Science: Six Uses of Computers in Science Data Collection Uses of Computers in Science Scientists use computers to collect data and make hypotheses on the basis of collected data. Analysis and Testing Of Data Scientists use computers to analyze collected data and test their hypotheses. Exchanging Information Scientists use computers to exchange information with their colleagues. Different Researches all over the world can share their research with one another. This will be helpful for research because this will increase the rate of completion of research projects. Simulation of Different Events Scientists may use computers for simulation of complex events. For example, they can use computer simulation to predict about the affects of earthquake on buildings in a particular area. They may use computer simulation to know the effects of rapid population increase on we

Topic: Explain Main Difference Between System Software and Application Software            Differentiate between system software and application software Before , explaining the main differences between application software and system software, let us know the definitions of Application software and System software with examples. What is System Software: System software is a set of programs to control all components of computer and to manage overall operations of computer system. Differences between System software and application software System software is used as a base to install and run all application software. Examples of system software include: Operating Systems, like Microsoft Windows, DOS, Unix and Linux Device Drivers like Device driver software of a Printer (found on CD normally provided with the printer) Utility Programs like AVAST anti virus, Disk Scanners and File Viewers etc. What is Application Software? Users can use Appli

  Q. Explain Customized software and Packaged software. a) Customized Software Customized software is a type of application software that is designed for a particular customer or organization. When packaged software does not fulfill needs of an organization then a programmer / software developer / software engineer is hired. The programmer will develop needed custom software for that organization according to the organizations specific needs and requirements. Student Information software developed for Govt. Post Graduate College of Commerce, Rahim Yar Khan is an example of customized software .  It will be used to store all related data about students, admissions and examinations etc. b) Packaged Software Packaged software is a type of application software that is developed for sale to the general public. It is also known as off-the-shelf software or Pre-Written software. It facilitates the people to perform day-to-day activities. Examples of packaged software are w