Interactive os
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Interactive operating systems allow users to run interactive programs that accept input from humans. Most popular programs like word processors and spreadsheets are interactive. An interactive OS provides fast turnaround times and immediate feedback while a non-interactive program runs without human input like compilers. Key characteristics of interactive OSs include processor scheduling, memory management, I/O data management, and file management. [/SUMMARY]
Interactive os
- 2. WHAT IS INTERACTIVE OPERATING SYSTEMS ??? An operating system that allows users to run interactive programs. Pretty much all operating systems that are on PCs are interactive OS’s Accepting input from a human. Interactive computer systems are programs that allow users to enter data or commands. Most popular programs, such as word processors and spreadsheet applications , are interactive. A non interactive program is one that, when started, continues without requiring human contact. A compiler is a non interactive program, as are all batch processing applications .
- 4. CIRI-CIRI SISTEM OPERASI Processor scheduling ( ciri-ciri penjadualan pemproses). Memory management (pengurusan ingatan). I/O data management (pengurusan data Input/Output). File management (Pengurusan File).
- 5. PROCESSOR SCHEDULING Windows NT processor scheduling refers to the process by which Windows NT determines which job (task) should be run on the computer processor at which time. Without scheduling, the processor would give attention to jobs based on when they arrived in the queue, which is usually not optimal. As part of the scheduling, the processor gives a priority level to different processes running on the machine. When two processes are requesting service at the same time, the processor performs the jobs for the one with the higher priority. There are six named priority levels: i. Realtime ii. High iii. Above Normal iv. Normal v. Below Normal vi. Low
- 6. MEMORY MANAGEMENT Memory management is the act of managing computer memory. The essential requirement of memory management is to provide ways to dynamically allocate portions of memory to programs at their request, and freeing it for reuse when no longer needed. This is critical to the computer system. Several methods have been devised that increase the effectiveness of memory management. Virtual memory systems separate the memory addresses used by a process from actual physical addresses, allowing separation of processes and increasing the effectively available amount of RAM using paging or swapping to secondary storage. The quality of the virtual memory manager can have an extensive effect on overall system performance.
- 7. I/O DATA MANAGEMENT Management Data Input/Output (MDIO), also known as Serial Management Interface (SMI) or Media Independent Interface Management (MIIM), is a serial bus defined for the Ethernet family of IEEE 802.3 standards for the Media Independent Interface, or MII. The MII connects Media Access Control (MAC) devices with Ethernet physical layer (PHY) circuits. The MAC device controlling the MDIO is called the Station Management Entity (SME).
- 8. FILE MANAGEMENT The term computer file management refers to the manipulation of documents and data in files on a computer. Specifically, one may create a new file or edit an existing file and save it; open or load a pre-existing file into memory; or close a file without saving it. Additionally, one may group related files in directories. These tasks are accomplished in different ways in different operating systems and depend on the user interface design and, to some extent, the storage medium being used.
- 9. INTERACTIVE SYSTEM (TIME SHARING SYSTEMS) Required time sharing software, which allow each user to interact directly with the computer. (Diperlukan masa perisian perkongsian, yang membolehkan setiap pengguna untuk berinteraksi secara langsung dengan komputer.) Give a faster turn – around time and provides immediate feedback. Respond time measure in minutes or seconds depending on number of users.
- 10. NON INTERACTIVE ENVIRONMENT There are some difficulties with a batch system from the point of view of programmer or user. Batch operating systems allow little or no interaction between users and executing programs. Users have no control over intermediate results of a program. This type, of arrangement does not create flexibility in software development. Access to files is also serial and there is hardly a need of Protection and file access control mechanism.
- 11. THE PICTURE OF INTERACTIVE OS Buku Panduan Interactive untuk IOS 7