David Wongso (091101879) / VA4 David Steven (091101885) / VA4 Gery Alvin (091101886) / VA4 TUGAS SISTEM OPERASI 4.1 Provide two programming examples in which multithreading does not provide better performance than a single-threaded solution. * Lebih dari satu thread melakukan I / O pada perangkat yang sama. * Lebih dari satu thread menggunakan data yang sama yang harus dikunci. 4.2 Describe the actions taken by a thread library to context switch between user-level threads.
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What are the differences between an interrupt and a trap? What are their importance? According to Stallings (2012) an interrupt is “a suspension of a process‚ such as the execution of a computer program‚ caused by an event external to that process and performed in such a way that the process can be resumed” (p. 716). Stallings (2012) goes on to say that “interrupts are provided primarily as a way to improve processor utilization. For example‚ most I/O devices are much slower than the processor”
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Price Discrimination at Intel Intel Corporation is a global leader in the production of semiconductors and is perhaps best known for its Pentium/Core series of processors. A key driver of Intel’s success over the last two decades has been its strength in production and process technologies. It’s excellence in this arena has allowed it to extract class leading performance from its designs while simultaneously minimising waste (and associated costs). However‚ this precision in manufacturing has
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Running Head: MULTICORE PROCESSORS Case Study 3: Managing Contention for Shared Resources on Multicore Processors Strayer University Instructor: Dr. Kegan Samuel CIS 512 Advanced Computer Architecture November 30‚ 2013 Abstract This “Case Study” cover information on computer systems with multicore processors which can increase performance by running applications of various types (models) and methods. This paper focuses on applications using distributed architecture‚ cache contention
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* * * * Ideas happen to everyone. Make more of your ideas. * Perfect viewing experience on-the-go * Easy tasking in one view * Simply amazing expression tools * Power performance at its best The perfect viewing experience Large 5.5“ HD Super AMOLED display (+ 16 : 9 cinema-like viewing ) GALAXY Note II’s 5.5” HD Super AMOLED screen offers better clarity and a 16:9 screen ratio – perfecting all viewing experiences. The innovative design of the GALAXY Note II
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Reg. No. : Question Paper Code : 66167 B.E./B.Tech. DEGREE EXAMINATION‚ NOVEMBER/DECEMBER 2011. 2 Sixth Semester Computer Science and Engineering 11 CS 2354 — ADVANCED COMPUTER ARCHITECTURE (Regulation 2008) Time : Three hours Maximum : 100 marks Answer ALL questions. 2 PART A — (10 × 2 = 20 marks) What is instruction level parallelism? 2. What are the advantages of loop unrolling? 3. What are the limitations of VLIW? 4. What is the use of branch-target
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VBScript Modular Lab Report Copy your Mod1_PCTests.vbs program from NotePad++ and paste it into the space provided below. Any portion of the script that will not fit should be continued in the textbox on the next page. ’ Menu Driven Computer / Network Tests ’ This VBScript program is run using the PC_Tests.cmd Batch Script Set args = WScript.Arguments WScript.Echo vbCrLf Select Case args.Item(0) Case "1" Call System_Information Case "2" Call System_Memory_Size Case "3"
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CSci 5103 - Operating Systems HW-1 February 9‚ 2015 This assignment is to be done individually and submitted in class. (Online submissions are not allowed) Due Date: February 16‚ 2015 Question 1 (20 points): What is the purpose of interrupts? What are the differences between a trap and an interrupt? Can traps be generated intentionally by a user program? If so‚ for what purpose? Interrupt is that causes a computer processor to temporarily stop executing
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One Processor‚ one job type Utilization Analysis Utilization (u) = fraction of time a resource is busy. Calculate u for each resource as shown on following slides. In a network (i.e.‚ system) where jobs flow through multiple resources‚ the one with the highest u is the “bottleneck.” Utilization must be kept below 1 (i.e.‚ 100%)‚ and as we will see later‚ if there is variability then u may need to even be kept significantly below 100%. The system capacity is the job flow rate R that yields
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Task 1: Examine the Motherboard Procedure 1. Examine the following motherboard. One interesting thing you will see is the use of two BIOS chips. The M-BIOS chip is the Main BIOS chip and the B-BIOS chip is the Backup BIOS chip‚ which is used to rewrite the M-BIOS chip if it becomes corrupted. (Refer to the high-resolution imges for closer inspection.) 2. Using the Internet‚ locate information on the LGA 1156 connector. What processors is it used with? What is its purpose on the motherboard? A:
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