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Terms in this set (120)It typically contains the CPU, BIOS, memory, mass storage interfaces, serial and parallel ports, expansion slots, and all the controllers required to control standard peripheral devices, such as the display screen, keyboard, and disk drive. Collectively, all these chips are known as the chipset. Other sets by this creatorVerified questions
computer science Verified answer
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computer science Assume for arithmetic, load/store, and branch instructions, a processor has CPIs of 1, 12, and 5, respectively. Also assume that on a single processor a program requires the execution of 2.56E9 arithmetic instructions, 1.28E9 load/store instructions, and 256 million branch instructions. Assume that each processor has a 2 GHz clock frequency. Assume that, as the program is parallelized to run over multiple cores, the number of arithmetic and load/store instructions per processor is divided by 0.7 x p (where p is the number of processors) but the number of branch instructions per processor remains the same. 1. Find the total execution time for this program on 1, 2, 4, and 8 processors, and show the relative speedup of the 2, 4, and 8 processor result relative to the single processor result. 2. If the CPI of the arithmetic instructions was doubled, what would the impact be on the execution time of the program on 1, 2, 4, or 8 processors? 3. To what should the CPI of load/store instructions be reduced in order for a single processor to match the performance of four processors using the original CPI values? Verified answer Recommended textbook solutions
Other Quizlet setskey components and areas within a systems software or operating system Terms in this set (25)Sets found in the same folderFlickr Creative Commons ImagesSome images used in this set are licensed under
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Terms in this set (11)Both main memory and secondary storage are types of memory. Describe the difference between the two. Main memory, or RAM, is volatile, which means its contents are erased when power is removed from the computer. Secondary memory, such as a disk, does not lose its contents when power is removed from the computer. What is the difference between system software and application software? System software works with end users, application software, and computer hardware to handle the majority of technical details. Application software can be described as end user software designed to accomplish a variety of different tasks What type of software controls the internal operations of the computer's hardware? Operating system Why must programs written in a high-level language be translated into machine language before then can be run? Because computers only understand the low-level languages that resemble the numeric machine language rather than the natural language of humans Why is it easier to write a program in a high-level language than in machine language? Because high level languages are more like natural language Explain the difference between an object file and an executable file. 1. An object file contains machine language instructions, but it does not contain code for any library routines that may be necessary. What is the difference between a syntax error and a logical error? A syntax error is the misuse of a key word, operator, punctuation, or other part of the programming language. A logical error is a mistake that causes the program to produce the wrong results. What would each display on the screen if they were actual programs? The variable x starts with the value 0. 7 What would each display on the screen if they were actual programs? The variable j
starts with the value 10. 28 What would each display on the screen if they were actual programs? The variable a starts with the value 1. 365 Find the Error The following pseudocode algorithm has an error. The program is supposed to ask the user for the length and width of a rectangular room, and then display the room's area. The program must multiply the width by the length in order to determine the area. Find the error. area = width x length. It assigns area the value of length times width, before there is a value stored in either of the variables. Sets found in the same folderC++ Review Questions76 terms ImpurityZ Computer Science 1 Final100 terms alainabrianne2 Other sets by this creatorRisk Management: Initial Contact to Accepted Offer…20 terms
Hannahscarbrough44 Unit 4: Contracts and Risk Management in Alabama15 terms Hannahscarbrough44 Unit 3: Completing and Presenting the Offer to Pur…10 terms Hannahscarbrough44 Unit 2: Meeting with and Presenting Property to th…11 terms Hannahscarbrough44 Recommended textbook solutions
Information Technology Project Management: Providing Measurable Organizational Value5th EditionJack T. Marchewka 346 solutions Computer Organization and Design MIPS Edition: The Hardware/Software Interface5th EditionDavid A. Patterson, John L. Hennessy 220 solutions Information Technology Project Management: Providing Measurable Organizational Value5th EditionJack T. Marchewka 346 solutions Service Management: Operations, Strategy, and Information Technology7th EditionJames Fitzsimmons, Mona Fitzsimmons 103 solutions Other Quizlet setsUnit 3: Le rôle du bénévolat24 terms QuiZLearn11 SIE Final 7 MISSED14 terms Purplepony50 Celebrating Penance and Reconciliation26 terms Mrcoolguy360PLUS What type of software controls the internal operations of the computer's hardware?System software controls a computer's internal functioning, chiefly through an operating system, and also controls such peripherals as monitors, printers, and storage devices. Application software, by contrast, directs the computer to execute commands given by the user and may be…
What type of software controls the internal operations of the computer's hardware Brainly?The operating system controls the internal operations of the computer's hardware.
What type of software controls the hardware of a computer quizlet?The operating system is software that controls all hardware and software. Most operating systems consist of a Kernel and Interface.
What is the name of the software that controls computer?An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.
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What type of software controls the internal operations of the computers hardware quizlet?
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