1. Computer Applications تطبيقات الحاسب الآلي Emad Salem

2. الفصل الأول نظم تشغيل الحاسب الآلي الشخصي Chapter (1) PC Operating Systems المحاضرة الأولى الفصل الأول نظم تشغيل الحاسب الآلي الشخصي Chapter (1) PC Operating Systems المحاضرة الأولى

3. 3 أنواع البرامج Software Types أنواع البرمجيات برامج التطبيقات Application Programs EX: Microsoft Word برامج التطبيقات Application Programs EX: Microsoft Word لغات البرمجة Programming Languages EX: Visual Basic لغات البرمجة Programming Languages EX: Visual Basic أنظمة التشغيل Operating Systems EX: Microsoft Win أنظمة التشغيل Operating Systems EX: Microsoft Win

4. Operating System Operating System: is a set of programs that lies between the computer hardware and the applications software. Ex.: MS DOS, MS Windows, Mac, UNIX, Android.

5. The main functions of the operating system Manage the computer's resources (Hardware), such as the central processing unit, memory, disk drives, and printers Establish a user interface Execute and provide services for applications software. Booting: Loading the operating system into memory.

7. Microsoft Windows A ِِ n operating system developed by Microsoft Corporation, with versions such as Windows 3.1, 3.11, 95, 98, NT, 2000, XP, Vista, 7, 8, 9 and 10.

8. Evolution of Windows: Windows 3.1 First widely used successful version of Windows Replaced MS-DOS Windows 95 Introduced Start button, taskbar for multitasking, and My Computer for easier file management Windows NT Intended for business computing Increased reliability and security Windows 98 Active desktop displays Web content Enables Web conventions on the desktop Windows 2000 Security of NT with Windows 98 Interface Windows 2000 Professional and Windows 2000 Server Windows Me (Millennium Edition) Successor to Windows 98 for home computing