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a) Assume, on average, 60 instructions arrive at the CPU every second, and each instruction takes 4 seconds to be processed in the CPU. Instructions are being stored in a queue-based storage while waiting for processing. What is the average number of instructions in the queue?

a) Assume, on average, 60 instructions arrive at the CPU every second, and each instruction takes 4 seconds to be processed in the CPU. Instructions are being stored in a queue-based storage while waiting for processing. What is the average number of instructions in the queue?

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Use the information given to solve part a and b

a) Assume, on average, 60 instructions arrive at the CPU every second, and each instruction takes 4 seconds to be processed in the CPU. Instructions are being stored in a queue-based storage while waiting for processing. What is the average number of instructions in the queue?
Transcribed Image Text:a) Assume, on average, 60 instructions arrive at the CPU every second, and each instruction takes 4 seconds to be processed in the CPU. Instructions are being stored in a queue-based storage while waiting for processing. What is the average number of instructions in the queue?
b) Now assume that pipelining is applied. So, the average number of instructions queuing is reduced by half. What is the average time each instruction needs to be processed by the CPU?
Transcribed Image Text:b) Now assume that pipelining is applied. So, the average number of instructions queuing is reduced by half. What is the average time each instruction needs to be processed by the CPU?
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