PPT-Introduction to Computer and

Network Security Chapter 1 in the text book Stallings Introduction to Computer and Network Security Computer security concepts The OSI security architecture Security attacks Security services. Welcome! You’ve come to the right place for all of your computer and telecommunication support needs. Computer Center Santa Cruz is a full-scale technology resource center with top computer repair experts and owned by Jesse Wilkins of Wilkins Consulting. At Computer Center Santa Cruz, your technology demands matter here whether you are an individual, start-up business or established corporation. You will find the urgent computer repair help you need, answers to your nagging technology questions, and a whole lot more. Computer imagery has applications for film special effects simulation and training games medical imagery flying logos etc Computer graphics relies on an internal model of the scene that is a mathematical representati on suitable for graphical comput Computer ScienceComputer Science Computer ScienceComputer Science Computer ScienceComputer ScienceSecond Chance Algorithm: (a.k.a.Clock)Use a single reference bit per page.1.OS keeps frames in a circu M.Chinyuku. What is a Computer?. . A computer is an electronic device that stores, accepts data, retrieves data, processes data and gives output according to a set of instructions.. . 2. Elements of a computer. www.ccsa126.wikispaces.com. Lecture 1: Outline. Introduction. Course Syllabus. Learning Objectives. Textbooks. Labs. Grading. Installing / using Visual Studio 2010. Introduction to programming. What is programming and programming languages?. CSE 113. Gaurav. Kumar. CSE 113 – Introduction to. Computer Programming I. Instructor: Gaurav Kumar. Office. : . 113V Davis Hall. Email. : . gauravku@buffalo.edu. Email . you send me should be from . to. Security. . Computer Networks . Term . A15. Intro to Security Outline. Network Security. Malware. Spyware, viruses, worms and . trojan. horses, botnets. Denial of Service and Distributed DOS Attacks. Software: . computer . instructions or.  data. Anything that can be stored electronically is software, in contrast to storage devices and display devices which are called hardware.. Example: . Computer software (software) are the set of digital instructions that control the actions of a computer. . The preparation of such instructions is called programming/coding, and is done by programmers.. Hardware Components: . CPU, Memory, and I/O. What is the typical configuration of a computer sold today?. The Computer Continuum. Computer Hardware Components. In this chapter:. How did the computer become known as the stored-program computer? . Unit 3—Part A Computer Memory Computer Technology (S1 Obj 2-3) Memory Memory: The area in the computer that temporarily holds data waiting to be processed RAM RAM stands for Random Access Memory Zuse. .. 1944. : . The Harvard Mark I the first programmable digital computer made in the U.S. .  . Facts:. Weighed 5 tons . Had . 500 miles of wire. Was 8 feet tall . Was . 51 feet long. Ran non-stop for 15 years. Input Unit. CPU (Central Processing Unit). CPU itself has the following three components −. ALU (Arithmetic Logic Unit). Memory Unit. Control Unit. Output Unit. Input Devices. Keyboard. Mouse. Joy Stick. Computer Lab Rules. Report to class on time. If you are not in class when the bell rings. , report . to counselor for pass/detention. Computer Lab Rules. Stay in assigned seats. You are accountable for the computer which is assigned to you.