PPT-Computer Systems Nat 5 Data Representation

Lesson 4a Storing Graphics What does ASCII mean Describe how text is stored by a computer system What is a control character REVISION Revision A merican S tandard C ode for I nformation . Each digit is multiplied by an appropriate power of 10 depending on its position in the number For example 843 8 x 10 4 x 10 3 x 10 8 x 100 4 x 10 3 x 1 800 40 3 For whole numbers the rightmost digit position is the ones position 10 1 The Chapter 5. 5-1. Learning Objectives. Explain . the threats faced by modern information systems.. Define . fraud and describe both the different types of fraud and the process one follows to perpetuate a fraud. Randal E. . Bryant. School of Computer Science. Carnegie . Mellon University. Overview. What is a Foundational Curriculum?. Evolution. 1997 Theoretical CS. 1998 Computer Systems. 2010 Programming + Algorithms. Chapter 5. 5. -1. Learning Objectives. Explain . the threats faced by modern information systems.. Define . fraud and describe both the different types of fraud and the process one follows to perpetuate a fraud. Department of Surveying and . Geomatics. By Shoko M. History of GIS. History of . GIS. 1. Past to Present. 'GIS' as we know it is about 30 years old, but we can . recognise. its earlier roots:. 1700s. (Slides borrowed from various presentations). Image representations. Templates. Intensity, gradients, etc.. Histograms. Color, texture, SIFT descriptors, etc.. Space Shuttle Cargo Bay. Image Representations: Histograms. INPUT. OUTPUT. What is a computer system?. A computer system is a mix of electronic hardware and software.. But it can only follow the . instructions. that we give it.. It accepts . data. as . input. T. he . goals. of . the . operating systems have . changed. with . time. Instead . of maximizing CPU and peripheral utilization, the systems opt . for maximizing user convenience and responsiveness. Part 4. MIS Security, Development, and Resources. Need to understand . IS . security . important to . future managers.. N. eed . basic knowledge of development processes to . be able . to assess the quality . INPUT. OUTPUT. What is a computer system?. A computer system is a mix of electronic hardware and software.. But it can only follow the . instructions. that we give it.. It accepts . data. as . input. Development of Computers. 1. st. Generation computers (1940-1956). Used vacuum tubes.. Vacuum tubes are electronic devices that control the flow of electrons.. Had no operating systems – the user programmed the computer by physically entering the computer and programming by hand. Information System. One that collects, processes, stores, analyzes, and disseminates information for a specific purpose. Is school register an information system?. What are the information systems you know?. Learning Objectives. LO 1. Discuss foundational information systems (IS) hardware concepts.. LO 2. . Describe foundational topics related to system software, programming languages, and application development environments.. Computer Systems & . Telematics. Freie Universität Berlin, Germany. TI III: Operating Systems & Computer Networks . Network. . Security. TI 3: Operating Systems and Computer Networks. Content.