Computer software Operating systems. The objective of the lesson: To explain what the software is and why it exists; to learn to distinguish the system, - презентация

1 Computer software Operating systems

2 The objective of the lesson: To explain what the software is and why it exists; to learn to distinguish the system, application software.

3 The notion of software The program - is a specific set of ordered operations for a computer to perform. The collection of all programs designed to run on a computer, called the software computer. A computer is considered as a system consisting of interrelated parts: hardware (technical devices) and software.

4 Application Software System Software Systems of programming Computer programs

5 Systems of programming System software includes the operating system and service programs. Operating System - a set of programs that provide operation of all computer devices and gives the user access to computer resources. The most common operating system for personal computers: Windows Apple

6 System Software hardware interface Hardware and software interface Custom interface Means to ensure the relation ship between the objects of this system is called interface. The computer is part of the "man - computer" system. Facilities interaction human and computer Facilities interaction hardware and program ensuring Interface Facilities interaction between devices computer

7 Systems of programming To record the programs used specific languages - programming languages (formal languages) Complex software designed to develop computer programs a programming language, called programming system Programming - is the process of creating programs, the development of all types of software

8 Presentation Software Text editors Text editors Electronic tables Electronic tables Graphic editors Graphic editors Control systems database Control systems database Multimedia players Multimedia players General purpose applications

9 Applications for special purposes Publishing system Publishing system Accounting programs Accounting programs Computer-aided system CAD design Computer-aided system CAD design Programs of computer modeling Mathematical packages Mathematical packages Geoinformation system Geoinformation system Textbooks, exercise machines, dictionaries

10 is system software that manages computer hardware and software resources and provides common services for computer programs. Operating system (OS)

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13 Home work: 1.Make a scheme describing the structure of the computer software. Insert the logos of each program into the scheme.

14 2. Open the text document, fill in the following table, specifying the software on the computer. SoftwareExample operating system archive program Antivirus program Communication program programming system Text editors Graphic editor Edit presentations Spreadsheets Electronic textbook A game Editors working with the sound Editors working with the video