Unit 2 - NIST NACOL
... operating system abstracts from the physical properties of its storage devices to define a logical storage unit, the file. Files are mapped, by the operating system, onto physical devices. A file is a collection of related information defined by its creator. Commonly, files represent programs (both ...
... operating system abstracts from the physical properties of its storage devices to define a logical storage unit, the file. Files are mapped, by the operating system, onto physical devices. A file is a collection of related information defined by its creator. Commonly, files represent programs (both ...
operating systems
... and under what conditions. Similarly, the operating system controls which program can write data to a disk, or draw something on the screen. ...
... and under what conditions. Similarly, the operating system controls which program can write data to a disk, or draw something on the screen. ...
Abstract View of System Components
... it seeks the next “control statement” from the user’s keyboard. • On-line system must be available for users to access data and code. ...
... it seeks the next “control statement” from the user’s keyboard. • On-line system must be available for users to access data and code. ...
Operating Systems - arabunityschool.com
... Examples of operating systems There are a number of operating systems that you could use on your computer. The one that you are most likely to be familiar with is one of the Microsoft Windows operating systems. Almost all personal computers are loaded with Windows before you purchase them and most ...
... Examples of operating systems There are a number of operating systems that you could use on your computer. The one that you are most likely to be familiar with is one of the Microsoft Windows operating systems. Almost all personal computers are loaded with Windows before you purchase them and most ...
ppt
... • Many types of resources - Some (such as CPU cycles, main memory, and file storage) may have special allocation code, others (such as I/O devices) may have general request and release code – Accounting - To keep track of which users use how much and what kinds of computer resources – Protection and ...
... • Many types of resources - Some (such as CPU cycles, main memory, and file storage) may have special allocation code, others (such as I/O devices) may have general request and release code – Accounting - To keep track of which users use how much and what kinds of computer resources – Protection and ...
Computer Concepts 7
... • A user interface can be defined as the combination of hardware and software that helps people and computers communicate with each other • Two types of user interfaces – Graphical user interface (GUI) provides a way to point and click a mouse to select menu options and manipulate graphical objects ...
... • A user interface can be defined as the combination of hardware and software that helps people and computers communicate with each other • Two types of user interfaces – Graphical user interface (GUI) provides a way to point and click a mouse to select menu options and manipulate graphical objects ...
Operating System
... Able to define and explain the major concepts which builds up an operating system ...
... Able to define and explain the major concepts which builds up an operating system ...
Operating Systems Design
... How to share a machine (remember machines were expensive back then) between multiple people and still maintain interactive user interface? Time-sharing Connect multiple terminals to a single machine Multiplex machine between multiple users Machine has to be fast enough to give illusion that each use ...
... How to share a machine (remember machines were expensive back then) between multiple people and still maintain interactive user interface? Time-sharing Connect multiple terminals to a single machine Multiplex machine between multiple users Machine has to be fast enough to give illusion that each use ...
Operating Systems: Principles and Practice, Introduction
... • Application programming interface (API) • Abstract machine interface ...
... • Application programming interface (API) • Abstract machine interface ...
Frequently Asked Questions - Operating System Concepts
... 8. What are your solution strategies for "Dining Philosophers Problem" ? 9. Explain Memory Partitioning, Paging, Segmentation. 10. Explain Scheduling. 11. Operating System Security. 12. What is Semaphore? 13. Explain the following file systems : NTFS, Macintosh(HPFS), FAT . 14. What are the differen ...
... 8. What are your solution strategies for "Dining Philosophers Problem" ? 9. Explain Memory Partitioning, Paging, Segmentation. 10. Explain Scheduling. 11. Operating System Security. 12. What is Semaphore? 13. Explain the following file systems : NTFS, Macintosh(HPFS), FAT . 14. What are the differen ...
System Software, Application Software and Driver Programs
... 8.1 System Software, Application Software and Driver Programs Driver Programs A small program that allows a peripheral device to communicate with the computer system Some come with the operating system while others are developed by the device manufacturers ...
... 8.1 System Software, Application Software and Driver Programs Driver Programs A small program that allows a peripheral device to communicate with the computer system Some come with the operating system while others are developed by the device manufacturers ...
10-Software-Presentation
... program to hard disk or remove it Printer drivers – enable the computer to send the correct signals to the printer Email filter & web filters ...
... program to hard disk or remove it Printer drivers – enable the computer to send the correct signals to the printer Email filter & web filters ...
09CS212 OPERATING SYSTEM Credits: 3:0:0 Course Objective: To
... 09CS212 OPERATING SYSTEM Credits: 3:0:0 Course Objective: To gain knowledge about the Operating Systems concepts such as process, main management, secondary memory management, CPU and disk scheduling etc. ...
... 09CS212 OPERATING SYSTEM Credits: 3:0:0 Course Objective: To gain knowledge about the Operating Systems concepts such as process, main management, secondary memory management, CPU and disk scheduling etc. ...
Chapter 1: Introduction to Computers
... Fault-tolerant computer o Continues to operate even if one of its components fails o Computer has duplicate components such as processors, memory, and disk drives ...
... Fault-tolerant computer o Continues to operate even if one of its components fails o Computer has duplicate components such as processors, memory, and disk drives ...
Operating Systems Questions
... 1. Write a definition for an operating system; 2. Describe the main features of an operating system for example: the cost, reliability, ease of use, type of interface and how they can be customised. You need to make sure you’re using different operating systems as examples; 3. Explain what an interr ...
... 1. Write a definition for an operating system; 2. Describe the main features of an operating system for example: the cost, reliability, ease of use, type of interface and how they can be customised. You need to make sure you’re using different operating systems as examples; 3. Explain what an interr ...
Chapter 6
... programs in the system that need processing, giving each one a small slice of time on each cycle. ...
... programs in the system that need processing, giving each one a small slice of time on each cycle. ...
Computer Operating Systems
... controlling peripheral devices such as disk drives and printers. For large systems, the operating system has even greater responsibilities and powers. It is like a traffic cop — it makes sure that different programs and usersrunning at the same time do not interfere with each other. The operating sy ...
... controlling peripheral devices such as disk drives and printers. For large systems, the operating system has even greater responsibilities and powers. It is like a traffic cop — it makes sure that different programs and usersrunning at the same time do not interfere with each other. The operating sy ...
PPT 02 - Mesa Community College
... devices, keyboards, and displays. Devices installed on each computer may be different, so the OS uses device drivers. Plug-and-Play – devices have software encoded on them (ROM), which allows them to be recognized by the OS when installed, so the ...
... devices, keyboards, and displays. Devices installed on each computer may be different, so the OS uses device drivers. Plug-and-Play – devices have software encoded on them (ROM), which allows them to be recognized by the OS when installed, so the ...
Operating- System Structures
... which operating system to boot into. This means that rather initially booting to an operating system, the boot manager will first run during system startup. It is this boot manager that is responsible for determining which system to boot into. Typically boot managers must be stored at ...
... which operating system to boot into. This means that rather initially booting to an operating system, the boot manager will first run during system startup. It is this boot manager that is responsible for determining which system to boot into. Typically boot managers must be stored at ...
2. OS Components
... One of the most important systems programs for an operating system is the command interpreter, which is the interface between the user and the operating system. Some operating systems include the command interpreter in the kernel. Other operating systems, such as MS-DOS and UNIX, treat the command i ...
... One of the most important systems programs for an operating system is the command interpreter, which is the interface between the user and the operating system. Some operating systems include the command interpreter in the kernel. Other operating systems, such as MS-DOS and UNIX, treat the command i ...
ch04 - Computer Science
... Translate files so that different programs can read them Guard against viruses and other potentially harmful programs (as described in the chapter on computer security and risks) Compress files so they take up less disk space Perform other important, if unexciting, tasks Symantec Norton Ut ...
... Translate files so that different programs can read them Guard against viruses and other potentially harmful programs (as described in the chapter on computer security and risks) Compress files so they take up less disk space Perform other important, if unexciting, tasks Symantec Norton Ut ...
pdf
... • Needs basic primitives for dividing one task into multiple parallel activities • Supports efficient communication between those activities • Supports synchronization of activities to coordinate sharing of information • It’s common now to use networks of high-performance PCs/workstations as a paral ...
... • Needs basic primitives for dividing one task into multiple parallel activities • Supports efficient communication between those activities • Supports synchronization of activities to coordinate sharing of information • It’s common now to use networks of high-performance PCs/workstations as a paral ...
Operating System Concepts, Terminology, and History
... operating system to be the supporting software structure on which application programs run. – This support structure includes the facilities to manage the computer system's resources and any utility programs needed to maintain and configure the operating system. • The heart of system administration ...
... operating system to be the supporting software structure on which application programs run. – This support structure includes the facilities to manage the computer system's resources and any utility programs needed to maintain and configure the operating system. • The heart of system administration ...