Exceptional Control Flow - Computer Systems: A Programmer`s
... where each ak is the address of some corresponding instruction Ik . Each transition from ak to ak+1 is called a control transfer. A sequence of such control transfers is called the flow of control, or control flow of the processor. The simplest kind of control flow is a “smooth” sequence where each ...
... where each ak is the address of some corresponding instruction Ik . Each transition from ak to ak+1 is called a control transfer. A sequence of such control transfers is called the flow of control, or control flow of the processor. The simplest kind of control flow is a “smooth” sequence where each ...
UNIX Notes:
... Ctrl-H or [BACKSPACE] Erase character to left of cursor Ctrl-Q Restart output after paused by Ctrl-S Ctrl-S Pauses output to the screen Ctrl-U Erase the whole input line so you can start over ...
... Ctrl-H or [BACKSPACE] Erase character to left of cursor Ctrl-Q Restart output after paused by Ctrl-S Ctrl-S Pauses output to the screen Ctrl-U Erase the whole input line so you can start over ...
ppt - UCI
... Children share subset of parent’s resources - prevents many processes from overloading the system. Parent and children share no resources. ...
... Children share subset of parent’s resources - prevents many processes from overloading the system. Parent and children share no resources. ...
UNIX Notes:
... Ctrl-H or [BACKSPACE] Erase character to left of cursor Ctrl-Q Restart output after paused by Ctrl-S Ctrl-S Pauses output to the screen Ctrl-U Erase the whole input line so you can start over ...
... Ctrl-H or [BACKSPACE] Erase character to left of cursor Ctrl-Q Restart output after paused by Ctrl-S Ctrl-S Pauses output to the screen Ctrl-U Erase the whole input line so you can start over ...
Synchronization - William & Mary Computer Science
... • Do not want to spend much time in Ready queue ...
... • Do not want to spend much time in Ready queue ...
dsk-03-sched
... When it gains CPU, job receives 8 milliseconds. If it does not finish in 8 milliseconds, job is moved to queue Q1. – At Q1 job is again served FCFS and receives 16 additional milliseconds. If it still does not complete, it is preempted and moved to queue Q2. ...
... When it gains CPU, job receives 8 milliseconds. If it does not finish in 8 milliseconds, job is moved to queue Q1. – At Q1 job is again served FCFS and receives 16 additional milliseconds. If it still does not complete, it is preempted and moved to queue Q2. ...
File - You have to dream before your dreams can come
... The "brain" of the computer is the CPU. It brings instructions from memory and carries out them. The fundamental cycle of every CPU is to bring the first instruction from memory, interpret it to decide its type and operands, execute it, and then bring, decode, and carry out following instructions. ...
... The "brain" of the computer is the CPU. It brings instructions from memory and carries out them. The fundamental cycle of every CPU is to bring the first instruction from memory, interpret it to decide its type and operands, execute it, and then bring, decode, and carry out following instructions. ...
Mutual Exclusion and Synchronization
... Enforce Single Access • If we enforce a rule that only one process may enter the function at a time then: • P1 & P2 run on separate processors • P1 enters echo first, – P2 tries to enter but is blocked – P2 suspends ...
... Enforce Single Access • If we enforce a rule that only one process may enter the function at a time then: • P1 & P2 run on separate processors • P1 enters echo first, – P2 tries to enter but is blocked – P2 suspends ...
Microsoft Office 2003
... A(n) ________ is a section of a hard disk drive that is treated as a separate storage unit. (Answer: disk partition.) True/False: The main directory is called the base directory. (Answer: False.) ___________ is usually measured in bytes, kilobytes, or megabytes. (Answer: File size.) ...
... A(n) ________ is a section of a hard disk drive that is treated as a separate storage unit. (Answer: disk partition.) True/False: The main directory is called the base directory. (Answer: False.) ___________ is usually measured in bytes, kilobytes, or megabytes. (Answer: File size.) ...
ppt
... How fast is the Mach system? It seems that all this flexibility and simplicity through use of simple primitives will come at a large overhead. The researchers are optimistic, but I'm still sceptical. ...
... How fast is the Mach system? It seems that all this flexibility and simplicity through use of simple primitives will come at a large overhead. The researchers are optimistic, but I'm still sceptical. ...
Operating Systems: Processes and Threads Process model
... Threads and global variables Conflicts between threads over the use of a global variable One solution: Prohibit global variables Alternative: Private global variables Accessing these is tricky, language may not support New library procedures ...
... Threads and global variables Conflicts between threads over the use of a global variable One solution: Prohibit global variables Alternative: Private global variables Accessing these is tricky, language may not support New library procedures ...
CSC204 – Programming I
... Java was officially announced in May 1995. The first official release of Java occurred in February 1996, when Sun made available version 1.0 of the Java Development Kit. Java 1.2 (released by the end of 98) and higher is referred to as Java 2. The latest Java version is 1.5, also known as Java ...
... Java was officially announced in May 1995. The first official release of Java occurred in February 1996, when Sun made available version 1.0 of the Java Development Kit. Java 1.2 (released by the end of 98) and higher is referred to as Java 2. The latest Java version is 1.5, also known as Java ...
Operating Systems, 6th ed. Test Bank Chapter 4 Page 1 of 15
... 31. T / F – Deadlock can be defined as the periodic blocking of a set of processes that either compete for system resources or communicate with each other. 32. T / F – All deadlocks involve conflicting needs for resources by two or more processes. 33. T / F – A reusable resource is one that can be s ...
... 31. T / F – Deadlock can be defined as the periodic blocking of a set of processes that either compete for system resources or communicate with each other. 32. T / F – All deadlocks involve conflicting needs for resources by two or more processes. 33. T / F – A reusable resource is one that can be s ...
Slides - CSE, IIT Bombay
... * The OS implements a virtual device as follows: When a program performs an operation on a virtual device, the operation may be actually performed on some real resource * Example: virtual printer When a program ‘prints’ on a virtual printer, the data is actually stored in memory; printing takes ...
... * The OS implements a virtual device as follows: When a program performs an operation on a virtual device, the operation may be actually performed on some real resource * Example: virtual printer When a program ‘prints’ on a virtual printer, the data is actually stored in memory; printing takes ...
Chapter 4
... renaming files not to change the extension. Explain that most programs, such as Microsoft Office XP and 2003 automatically add the extension to the filename. ...
... renaming files not to change the extension. Explain that most programs, such as Microsoft Office XP and 2003 automatically add the extension to the filename. ...
Figure 11.01 - 醫學資訊系 鄭仁亮教授
... Simple record structure Lines Fixed length Variable length ...
... Simple record structure Lines Fixed length Variable length ...
Module 4: Processes
... Temporarily removes process from memory and stores it on disk. Later the process can be swapped back in. Operating System Concepts ...
... Temporarily removes process from memory and stores it on disk. Later the process can be swapped back in. Operating System Concepts ...
UNIX Operating System
... Journaling file system A journaling file system keeps track of the changes that will be made in a journal (usually a circular log in a dedicated area of the file system) before committing them to the main file system. In the event of a system crash or power failure, such file systems are quicker to ...
... Journaling file system A journaling file system keeps track of the changes that will be made in a journal (usually a circular log in a dedicated area of the file system) before committing them to the main file system. In the event of a system crash or power failure, such file systems are quicker to ...
REF Chapter 3: Windows NT System Specifics
... (The period after salfil must be used to tell the system that the file salfil has no extension. Otherwise, the system will look for a subdirectory called “salfil.”) Once again, only what is needed is specified in the file descriptor. Although salfil’s complete or absolute pathname is c:\usr\mydir\sa ...
... (The period after salfil must be used to tell the system that the file salfil has no extension. Otherwise, the system will look for a subdirectory called “salfil.”) Once again, only what is needed is specified in the file descriptor. Although salfil’s complete or absolute pathname is c:\usr\mydir\sa ...
Unix processes and threads
... process: address space + single thread of control sometimes want multiple threads of control (flow) in same address space quasi-parallel threads separate resource grouping & execution thread: program counter, registers, stack also called lightweight processes multithreading: avoid bloc ...
... process: address space + single thread of control sometimes want multiple threads of control (flow) in same address space quasi-parallel threads separate resource grouping & execution thread: program counter, registers, stack also called lightweight processes multithreading: avoid bloc ...