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Deadlock prevention Removing the mutual exclusion condition means that no process will have exclusive(not shared) access to a resource Algor...

Solutions to deadlock There are several ways to address the problem of deadlock in an operating system. Just ignore it and hope it doesn...

Conditions for Deadlock Mutual exclusion: resources cannot be shared. Hold and wait: processes request resources incrementally, and ...

The Bounded-Buffer semaphores We assume that the pool consists of $ n$ buffers, each capable of holding one item. The mutex semaphore provid...

The consumer producer problem (also known as the bounded-buffer problem) The consumer producer problem (also known as the bounded-buffer pro...

In computer science, a semaphore is a variable or abstract data type that provides a simple but useful abstraction for controlling access by...

Inter-process communication In computing, Inter-process communication (IPC) is a set of methods for the exchange of data among multiple thre...

Semaphore vs. mutex A mutex is essentially the same thing as a binary semaphore the term "mutex" is used to describe a construct w...

producer-consumer problem producer process consumer process buffer(shared) synchronization between producer and consumer processes race cond...

Producer consumer in Java 2 http://www.java2s.com/Code/Java/Threads/ProducerconsumerinJava2.htm Implementation of the Producer/Cons...

Program for Banker’s Algorithm http://labprograms.wordpress.com/2009/07/31/program-for-bankers-algorithm/

Operating Systems Course Notes Main Page http://www.cs.uic.edu/~jbell/CourseNotes/OperatingSystems/index.html CS 140: Operating System...

The Banker's algorithm is a resource allocation and deadlock avoidance algorithm developed by Edsger Dijkstra that tests for safety by s...

A high-level architecture (HLA) is a general purpose architecture for distributed computer simulation systems Using HLA, computer simulatio...

Stateless Session Beans (SLSB) are not tied to one client and there is no guarantee for one client to get the same instance with each met...

Explain RMI Architecture? Application Layer: The client and server program Stub & Skeleton Layer: Intercepts method calls made b...

Marshaling Marshaling is process of encoding object to put them on the wire (network) Unmarshaling is the process of decoding from the...

Operating Systems (CS/CPE 408) : CPU Scheduling Non-Preemptive Vs Preemptive Scheduling Non-Preemptive: Non-preemptive algo...

Operator Precedence And Associativity http://www.youtube.com/watch?v=n_eDAzzgzkA Two characteristics of operators determine how the...

Lexical Analysis http://www.youtube.com/watch?v=B-nkdR4H530 http://www.youtube.com/watch?v=_1o9z4XIyx4 Lexical analysis In co...

http://www.youtube.com/watch?v=UG7VmPWkJmA&feature=related http://www.youtube.com/watch?v=psg2-6-CEXg&feature=related

How does Huffman Code work? http://www.youtube.com/watch?v=0PahtaFK640 Huffman coding In computer science and information theo...

http://www.youtube.com/watch?v=fUxnb5eTRS0 http://www.youtube.com/watch?v=qmGS2M6uV8g

EJB 3 Introduction http://www.youtube.com/watch?v=W-Tq93LUdMM&feature=results_video&playnext=1&list=PLCAD48825EA5D4B49 st...

Call by Reference vs. Call by Value http://www.youtube.com/watch?v=loDpVao0Jik&feature=related Java Parameter passing: call by ref...

Java RMI http://www.youtube.com/watch?v=qyqqisPV5Qs&feature=related Part 1 of 3: Simple Java RMI Tutorial http://www.youtube.com/watch?v...

Learn about JVM internals - what does the JVM do? http://www.youtube.com/watch?v=UwB0OSmkOtQ Java Programming Tutorial 2: Java Virt...

Stack & Heap : Java Programming 16 http://www.youtube.com/watch?v=VQ4eZw6eVtQ&feature=related Lecture 14 | Programming Methodology (...

CS 61B Lecture 38: Garbage Collection http://www.youtube.com/watch?v=rp8PvFvSO_c Java Programming - Garbage Collection - Video 15 ...

Jackson State University Department of Computer Science CSC 435 Computer Networks Spring 2012 http://www.jsums.edu/cms/tues/html/CSC435-Sp...

In numerical analysis, Newton's method (also known as the Newton–Raphson method), named after Isaac Newton and Joseph Raphson, is a meth...

Binary Search Binary search relies on a divide and conquer strategy to find a value within an already-sorted collection http://algorithms...

Algorithms Lesson 3: Merge Sort http://www.youtube.com/watch?v=GCae1WNvnZM merge sort with game cards http://www.youtube.com/wat...

Görev isletiminin, belirli bir adres bölgesinde ne kadar süreyle kaldığı, görevin yerellik düzeyi (locality) ile açıklanır

İsletim sisteminin eksik sayfa uyarılarının gerektirdiği islemlerle yoğun bir biçimde uğrasmaya baslamasına,trashing denir. A process that i...

Working Set (WS), bir görevin, belirli bir zaman aralığı içinde, eksik sayfa uyarısı üretmeden çalısabileceği en küçük sayfa takımıdır.

The Belady's anomaly accurs in case of the FIFO page replacement policy in the OS. When this FIFO is used and the number of page frames ...

http://w3.gazi.edu.tr/web/akcayol/files/JavaOrnekVize.pdf

http://w3.gazi.edu.tr/web/akcayol/files/JavaOrnekVize.pdf

Örnek 1.2.1 : 1'den 100'e kadar olan sayıların toplamını veren algoritma. 1. Toplam T, sayılar da i diye çağırılsın. 2. Başlangıçta ...

In any programming language, application-level memory management problems revolve around the deallocation of memory. These problems fall in...

HTTP as a protocol is stateless. In general, though, a stateless protocol can be made to act as if it were stateful, assuming you've got...

http 80 smtp 25 ftp 21 pop3 110 https 443

A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical networ...

What is a subnet mask? A subnet mask is used to divide an IP address into two parts. One part identifies the host (computer), the other...