tailieunhanh - Lecture Basic network management: Chapter 2 - Trung tâm Athena

Chapter 2 - Software & operating system. After studying this chapter you will be able to understand: What is the software? How is software categorized? What is an operating system? What does an operating system do? | Chapter 2: Software & Operating System Objective What is the software? How is software categorized? What is an operating system ? What does an operating system do? -Nội dung chương này cho phép học viên hiểu rõ khái niệm software là gì? -Có bao nhiêu loại software? -Hệ điều hành là gì? -Hệ điều hành đóng vai trò như thế nào? What’s the software ? Software is the instructions and associated data, stored in electronic format, that direct the computer to accomplish a task. A computer program is a set of detailed, step-by-step instructions that tells a computer how to solve a problem or carry out a task. How is software categorized? Software is categorized as either application software or system software. Application software is designed to be used for a purpose such as drawing designs, creating documents, etc. System software is designed to help the computer carry out the basic operating functions Ex: Operating systems, utilities, and drivers Có hai lọai software: Application và System Operating System Overview: What is an operating system ? An operating system (OS) is the master controller for all of the activities that take place within a computer. Ex: Microsoft Windows XP, Mac OS, Linux, UNIX The operating system also interacts with the next functional layer called application software. How is software categorized? What does an operating system do? Example: Personal Computer Operating Systems Windows, Mac OS, Linux, Unix, and DOS What’s the best-selling operating system? -Microsoft vẫn là phần mềm chiếm thị phần lớn nhất hiện nay. Personal Computer Operating Systems Microsoft Windows is the most popular, and is installed on over 80% of the world’s personal computers UNIX was developed in 1969 at AT&T’s Bell Labs Linux was developed in 1991 DOS (Disk Operating System) was developed by Microsoft Personal Computer Operating Systems Different operating systems are needed for different computing tasks: Single-user operating system Ex: MS-DOS, Windows , Windows | Chapter 2: Software & Operating System Objective What is the software? How is software categorized? What is an operating system ? What does an operating system do? -Nội dung chương này cho phép học viên hiểu rõ khái niệm software là gì? -Có bao nhiêu loại software? -Hệ điều hành là gì? -Hệ điều hành đóng vai trò như thế nào? What’s the software ? Software is the instructions and associated data, stored in electronic format, that direct the computer to accomplish a task. A computer program is a set of detailed, step-by-step instructions that tells a computer how to solve a problem or carry out a task. How is software categorized? Software is categorized as either application software or system software. Application software is designed to be used for a purpose such as drawing designs, creating documents, etc. System software is designed to help the computer carry out the basic operating functions Ex: Operating systems, utilities, and drivers Có hai lọai software: Application và System