define operating system software

... operating system Overview ~ What does an operating system do? ATHENA How is software categorized? ~ Software is categorized as either application software or system software. ~ Application software ... etc. ~ System software is designed to help the computer carry out the basic operating functions Ex: Operating systems, utilities, and drivers ATHENA Chapter 2: Software & Operating System ... ATHENA Objective ~ What is the software? ~ How is software categorized? ~ What is an operating system ? ~ What does an operating system do? ATHENA Personal Computer Operating Systems ~ Microsoft Windows...

Ngày tải lên: 20/01/2014, 22:20

... University Pittsburgh, PA 15213 Appeared in Proceedings of the 11th Operating Systems Principles, November, 1987 Abstract Mach is a multiprocessor operating system being implemented at Carnegie-Mellon University. ... Collins and L.W. Loen. System/ 38 Machine Storage Management. IBM System/ 38 Technical Developments, IBM General Systems Division :63-66, 1978. [7] Gupta, A. Parallel Production Systems. PhD thesis, ... November, 1984. [9] Kahn, K.C. et al. iMAX: A Multiprocessor Operating System for an Object-Based Computer. In Proc. 8th Symposium on Operating Systems Principles, pages 127-136. ACM, December, 1981. [10]...

Ngày tải lên: 12/09/2012, 15:05

... là hệ điều hành sau này. 1.23 Một số khái niệm của hệ điều hành(tt)  Sự phân lớp hệ thống (System Layering) – Mỗi người sử dụng khác nhau yêu cầu khai thác hệ điều hành ở những mức độ khác...

Ngày tải lên: 18/03/2013, 16:48

... Warm up A. Look at the diagram What is the function of the operating system? The function of operating system is to control a computer, manage the function of the computer, and ... nouns Language work 2. Robotics 4. Program 5. Hacker 9. Workstation 1. Window 3. Hardware 6. Hacking 8. Software Countable nouns Uncountable nouns B. These sentences contain typical errors. Correct...

Ngày tải lên: 03/08/2013, 01:26

... pre- viously opened window: #define WINDOW_WIDTH 200.0 #define WINDOW_HEIGHT 100.0 #define WINDOW_1_LEFT 20.0 #define WINDOW_1_TOP 30.0 #define WINDOW_H_OFFSET 30.0 #define WINDOW_V_OFFSET 30.0 Regardless ... dealt mostly with system messages—messages generated and dispatched by the system. The Message Protocols appendix of the Be Book defines all the system messages. In short, system messages fall ... constant. System message command constants always begin with B_,asinB_QUIT_REQUESTED and B_MOUSE_DOWN,sotobe quickly recognized as an application-defined message, your application-defined command...

Ngày tải lên: 17/10/2013, 19:15

... CPU P1 P2 P3 P4 P1 P2 P4 P1 0 4 8 11 15 19 23 24 - 1 - PHẦN 2: HỆ ĐIỀU HÀNH (OPERATING SYSTEM) Chương 1: Tổng quan Hệ điều hành 1 Câu hỏi Tóm tắt chức năng của hệ điều hành ... thống tập tin (File System) . 4. Quản lý nhập xuất (I/O). 5. Quản lý thiết bị lưu trữ (Secondary-storage). 6. Quản lý mạng (Networking). 7. Hệ thống bảo vệ (Protection System) . 8. Hệ thông ... Không gian đ/c Bộ nhớ Bộ nhớ phụ Chương 4: Quản lý hệ thống tập tin (File system management). 41 Câu hỏi Tóm tắt tổ chức đĩa mềm 1.44 MB sử dụng FAT12 2 điểm Đáp án Tổ...

Ngày tải lên: 19/10/2013, 18:15

... Files POSIX,orPortable Operating System Interface for Unix, is a standard developed so that buyers (particularly the U.S. government) could be assured of purchasing programs that ran on a variety of systems ... an Open item and a Save As item, so two message constants are necessary: #define MENU_FILE_OPEN_MSG 'opEN' #define MENU_FILE_SAVEAS_MSG 'svAs' The window class functions are ... Using Standard Open and Save Panels 361 Using Standard Open and Save Panels An operating system with a graphical user interface typically provides standard- ized means for opening...

Ngày tải lên: 20/10/2013, 10:15

... some systems store the operating system in firmware, and others on disk? Tại sao một số hệ thống lưu trữ hệ điều hành trên firmware, còn một số khác thì lưu trên đĩa? 2.13 How could a system ... người dùng. 2.10 What is the purpose of system calls? Mục đích của system call là gì? 2.11 What are the main advantages of the microkernel approach to system design? Lợi ích chính của phương ... bất lợi của việc sử dụng phương pháp phân tầng là gì? 2.9 List five services provided by an operating system. Explain how each provides convenience to the users. Explain also in which cases it...

Ngày tải lên: 28/10/2013, 09:15

Ngày tải lên: 25/11/2013, 11:07

... network operating system. Just as a computer cannot operate without an operating system, a network of computers cannot operate without a network operating system. Every network operating system ... network operating system s manufacturer, a desktop computer’s networking software can be added either to the computer’s own operating system or be integrated with it. Network operating system software ... 2YHUYLHZ# „ :LQGRZV#5333#2SHUDWLQJ#6\VWHPV „ ,QWURGXFWLRQ#WR#1HWZRUNV „ :LQGRZV#5333#,PSOHPHQWDWLRQ#RI#1HWZRUNLQJ The fundamental core of a computer is its operating system: the software that controls its hardware. As its name suggests, the operating system operates the computer. It loads applications...

Ngày tải lên: 09/12/2013, 17:15

... hardware is compatible with the new operating system, and that the hardware sources (including memory) in your system is sufficient for the new operating system. QUESTION NO 25 Where would ... Control panel, system, performance, graphics. B. Control panel, system, display settings, graphics. C. Control panel, system, device manager, properties, graphics. D. Control panel, system, hardware ... - 18 - QUESTION NO 43 How can you get a point out of the system configuration on a Windows 9x operating system? A. From the system monitor, click the print button. B. From the device...

Ngày tải lên: 11/12/2013, 14:15

... (re)creating file systems ã [drive letter] /S makes the drive bootable (system) FDISK – For (re)creating partitions (see below) Cramsession : CompTIA A+ Operating System Technologies ... Computer System Interface settings for SCSI controllers, tape drives (if you have a SCSI host adapter) ã Services - starts, stops and pauses various services ã System - system startup settings, system ... A+ Operating System Technologies TM â 2000 All Rights Reserved BrainBuzz.com 26 ã Defrag defragments a hard drive ã System Monitor is a Windows utility that tracks system...

Ngày tải lên: 11/12/2013, 15:15

... hardware) Context Valid Physical page Virtual page tag Flags (b) (c) Format is entirely defined by the operating system Translation table (Operating system) TSB (MMU + sofware) Context Entry 0 is shared by all virtual ... process Children of A Grandchildren of A A A A A A A Figure 6-43. A process tree in UNIX . 6 THE OPERATING SYSTEM MACHINE LEVEL 1 (b) Time Process 3 Process 2 Process 1 Process 3 Process 2 Process ... files close(infd); close(outfd); Figure 6-36. A program fragment for copying a file using the UNIX system calls. This fragment is in C because Java hides the low-level system calls and we are trying to expose them.  API...

Ngày tải lên: 12/12/2013, 09:15

... 9.1: Identify Operating System Requirements In this activity, you will first identify the optimal operating system to use in a given situation. Next, you will analyze the operating system selection ... Objectives After completing this activity, you will be able to: ! Identify the appropriate operating system for a given set of requirements and constraints. Before You Begin This activity ... complete this activity: 15 minutes followed by a 10 minute discussion. Activity 9.1: Identify Operating System Requirements 63 Exercise 2: Analyzing Technology Selection (5 minutes) ! Analyze...

Ngày tải lên: 21/12/2013, 06:16

... of device nodes. System startup (devfs) /etc Configuration files used at system startup. Install from CD-ROM only, mergemaster,administrator /sbin System executables needed at system startup time. makeworld /usr/X11R6 ... used by system utili- ties. makeworld /usr/local Additional programs that are not part of the operating system. Ports collection /usr/obj Temporary object files created when building the system. makeworld /usr/ports ... windowing system. X-based programs in the Ports Collection /usr/bin Standard executable programs that are not needed at system start. makeworld /usr/compat Adirectory containing code for emulated systems,...

Ngày tải lên: 21/12/2013, 11:15

... Accept upgrade transfer from other hosts Enabled Actions [U] System XMODEM upgrade [D] Download test subsystem (XMODEM) [T] System TFTP upgrade [X] Exit to Main Menu Enter Selection: ... and Intermediate Routing v 3.0 - Lab 6.2.7a Copyright  2003, Cisco Systems, Inc. Lab 6.2.7a Managing Switch Operating System Files Objective ã Create and verify a basic switch configuration. ... An example of the Firmware Configuration Menu is: Catalyst 1900 - Firmware Configuration System Information FLASH: 1024K bytes V8.01.00 : Enterprise Edition Upgrade status: No upgrade...

Ngày tải lên: 24/01/2014, 19:20

Ngày tải lên: 26/01/2014, 07:20

Ngày tải lên: 26/01/2014, 07:20

Ngày tải lên: 26/01/2014, 07:20

Ngày tải lên: 26/01/2014, 07:20