Operating-System Structures
... Exact type and amount of information vary according to OS and call Three general methods used to pass parameters to the OS Simplest: pass the parameters in registers In some cases, may be more parameters than registers Parameters stored in a block, or table, in memory, and address of block p ...
... Exact type and amount of information vary according to OS and call Three general methods used to pass parameters to the OS Simplest: pass the parameters in registers In some cases, may be more parameters than registers Parameters stored in a block, or table, in memory, and address of block p ...
1.01 - UCSB Computer Science
... The operating system is responsible for the following activities in connection with process management: Creating and deleting both user and system processes Suspending and resuming processes Providing mechanisms for process synchronization Providing mechanisms for process communication ...
... The operating system is responsible for the following activities in connection with process management: Creating and deleting both user and system processes Suspending and resuming processes Providing mechanisms for process synchronization Providing mechanisms for process communication ...
What is an Operating System?
... Process needs resources to accomplish its task CPU, memory, I/O, files (received upon creation and along execution) Initialization data (e.g., a process for presenting the status of a file) Process termination requires reclaim of any reusable resources ...
... Process needs resources to accomplish its task CPU, memory, I/O, files (received upon creation and along execution) Initialization data (e.g., a process for presenting the status of a file) Process termination requires reclaim of any reusable resources ...
Chapter 1: Introduction
... When it has to wait (for I/O for example), OS switches to another job ...
... When it has to wait (for I/O for example), OS switches to another job ...
ch1
... so frequently that users can interact with each job while it is running, creating interactive computing ...
... so frequently that users can interact with each job while it is running, creating interactive computing ...
ppt
... so frequently that users can interact with each job while it is running, creating interactive computing ...
... so frequently that users can interact with each job while it is running, creating interactive computing ...
2.01
... so frequently that users can interact with each job while it is running, creating interactive computing ...
... so frequently that users can interact with each job while it is running, creating interactive computing ...
BCA Third Year Syllabus - Vikrama Simhapuri University
... 7. A Departmental head has four subordinates and four tasks to be performed. The subordinates differ in efficiency and the tasks differ in their intrinsic difficulty. His estimate of the time each man would take to perform each task is given in the matrix. Tasks A B C D ...
... 7. A Departmental head has four subordinates and four tasks to be performed. The subordinates differ in efficiency and the tasks differ in their intrinsic difficulty. His estimate of the time each man would take to perform each task is given in the matrix. Tasks A B C D ...
mca4_os_mk - Nano Infotech
... independent programs by the same processor. Two or more user programs are kept in the main memory & executed concurrently. With multiple programs simultaneously residing in the main memory, when a program that was executing starts performing I/O operations, the CPU is allocated to another program in ...
... independent programs by the same processor. Two or more user programs are kept in the main memory & executed concurrently. With multiple programs simultaneously residing in the main memory, when a program that was executing starts performing I/O operations, the CPU is allocated to another program in ...
operating system
... access an illegal memory location, or atoo-great use of CPU time). For each type of error, the operating system should take the appropriate action to ensure correct and consistent computing. Debugging facilities can greatly enhance the user‟s and programmer‟s abilities to use the system efficiently. ...
... access an illegal memory location, or atoo-great use of CPU time). For each type of error, the operating system should take the appropriate action to ensure correct and consistent computing. Debugging facilities can greatly enhance the user‟s and programmer‟s abilities to use the system efficiently. ...
Module 3: Operating
... permanently, the computer system must provide secondary storage to back up main memory. Most modern computer systems use disks as the principle on-line storage medium, for both programs and data. The operating system is responsible for the following activities in connection with disk management: ...
... permanently, the computer system must provide secondary storage to back up main memory. Most modern computer systems use disks as the principle on-line storage medium, for both programs and data. The operating system is responsible for the following activities in connection with disk management: ...
OPERATING SYSTEM (013022) Chapter 1 Introductions
... Application programs – define the ways in which the system resources are used to solve the computing problems of the users Word processors, compilers, web browsers, database systems, video ...
... Application programs – define the ways in which the system resources are used to solve the computing problems of the users Word processors, compilers, web browsers, database systems, video ...
Operating System Extensions to Support Host Based Virtual Machines
... level. For example, an entire Ethernet frame can be sent to the VMM using a single instruction. This significantly reduces the number of guest to VMM traps, and simplifies the design of guest OSs. Denali runs directly on top of the hardware, there is no host operating system. As a consequence, the D ...
... level. For example, an entire Ethernet frame can be sent to the VMM using a single instruction. This significantly reduces the number of guest to VMM traps, and simplifies the design of guest OSs. Denali runs directly on top of the hardware, there is no host operating system. As a consequence, the D ...
Process Management (Cont.)
... recovered after a crash, just that the file system data structures (the metadata files) are undamaged and reflect some consistent state prior to the crash. The log is stored in the third metadata file at the beginning of the ...
... recovered after a crash, just that the file system data structures (the metadata files) are undamaged and reflect some consistent state prior to the crash. The log is stored in the third metadata file at the beginning of the ...
Appendix C: Windows 2000
... To compress a file, NTFS divides the file’s data into compression units, ...
... To compress a file, NTFS divides the file’s data into compression units, ...
PPT - EazyNotes
... after a crash, just that the file system data structures (the metadata files) are undamaged and reflect some consistent state prior to the crash The log is stored in the third metadata file at the beginning of the volume The logging functionality is provided by the 2000 log file service ...
... after a crash, just that the file system data structures (the metadata files) are undamaged and reflect some consistent state prior to the crash The log is stored in the third metadata file at the beginning of the volume The logging functionality is provided by the 2000 log file service ...
Chapter 1: Introduction
... running concurrently on one or more CPUs Concurrency by multiplexing the CPUs among the processes / threads ...
... running concurrently on one or more CPUs Concurrency by multiplexing the CPUs among the processes / threads ...
Design Challenges of Scalable Operating Systems for Many
... standard Linux kernel showed comparable performance and better scalability. For low core counts, fos suffered some overhead losses compared to Linux (especially the file system implementation). But as the number of cores increased, fos showed better load scalability than Linux [21]. In summary, even ...
... standard Linux kernel showed comparable performance and better scalability. For low core counts, fos suffered some overhead losses compared to Linux (especially the file system implementation). But as the number of cores increased, fos showed better load scalability than Linux [21]. In summary, even ...
PPT - LSU CCT - Louisiana State University
... – Performs thread creation, scheduling, management in kernel space. – Kernel threads are generally slower to create and manage due to management overhead of the operating system ...
... – Performs thread creation, scheduling, management in kernel space. – Kernel threads are generally slower to create and manage due to management overhead of the operating system ...
Optimizing the Migration of Virtual Computers
... first to be cleared by the ballooning process. Discarding pages holding cached data, dirty buffers and active ...
... first to be cleared by the ballooning process. Discarding pages holding cached data, dirty buffers and active ...
No Slide Title
... recovered after a crash, just that the file system data structures (the metadata files) are undamaged and reflect some consistent state prior to the crash. The log is stored in the third metadata file at the beginning of the ...
... recovered after a crash, just that the file system data structures (the metadata files) are undamaged and reflect some consistent state prior to the crash. The log is stored in the third metadata file at the beginning of the ...
What are the Basic Components of computer
... a. Scheduling is application specific b. When a ULT executes a system call, all threads in the process are blocked c. Thread switching does not require kernel mode privileges d. All of the above ANS: B 52. In the Linux O/S, multiple threads may be created and executed within a single process. This i ...
... a. Scheduling is application specific b. When a ULT executes a system call, all threads in the process are blocked c. Thread switching does not require kernel mode privileges d. All of the above ANS: B 52. In the Linux O/S, multiple threads may be created and executed within a single process. This i ...