Computer Science: An Overview (13th Edition) (What's New in Computer Science)
13th Edition
ISBN: 9780134875460
Author: Glenn Brookshear, Dennis Brylow
Publisher: PEARSON
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Textbook Question
Chapter 3.3, Problem 4QE
If each time slice in a multiprogramming system is 50 milliseconds and each context switch requires at most a microsecond, how many processes can the machine service in a single second?
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If each time slice in a multiprogramming system is 50 milliseconds and each context switch requires at most a microsecond, how many processes can the machine service in a single second?
Consider a CPU which operates with 20Mbyte/s operating speed. The CPU is operating on program control mode of I/O and it has to transfer data of 20 bytes from it. The data is transferred byte wise. Size of the Status register is 2 bytes. What is the total time needed to perform the data transfer?
Assigning process execution in advance to an I/O queue and then transferring control to the CPU when it is ready has several advantages. Who knows what may happen if the I/O is interrupted? Is the burst of the CPU going to be affected? In what way is this so?
Chapter 3 Solutions
Computer Science: An Overview (13th Edition) (What's New in Computer Science)
Ch. 3.1 - Identify examples of queues. In each case,...Ch. 3.1 - Which of the following activities require...Ch. 3.1 - Prob. 3QECh. 3.1 - Prob. 4QECh. 3.2 - Prob. 1QECh. 3.2 - What is the difference between application...Ch. 3.2 - Prob. 3QECh. 3.2 - Prob. 4QECh. 3.3 - Summarize the difference between a program and a...Ch. 3.3 - Summarize the steps performed by the CPU when an...
Ch. 3.3 - Prob. 3QECh. 3.3 - If each time slice in a multiprogramming system is...Ch. 3.3 - Prob. 5QECh. 3.4 - Prob. 1QECh. 3.4 - Suppose a two-lane road converges to one lane to...Ch. 3.4 - Prob. 3QECh. 3.4 - Prob. 4QECh. 3.5 - Prob. 1QECh. 3.5 - Prob. 2QECh. 3.5 - If a process in a multiprogramming system could...Ch. 3 - List four activities of a typical operating...Ch. 3 - Summarize the distinction between batch processing...Ch. 3 - Prob. 3CRPCh. 3 - Prob. 4CRPCh. 3 - What is a multitasking operating system?Ch. 3 - Prob. 6CRPCh. 3 - On the basis of a computer system with which you...Ch. 3 - a. What is the role of the user interface of an...Ch. 3 - What directory structure is described by the path...Ch. 3 - Define the term process as it is used in the...Ch. 3 - Prob. 11CRPCh. 3 - What is the difference between a process that is...Ch. 3 - What is the difference between virtual memory and...Ch. 3 - Suppose a computer contained 512MB (MiB) of main...Ch. 3 - What complications could arise in a...Ch. 3 - What is the distinction between application...Ch. 3 - Prob. 17CRPCh. 3 - Summarize the booting process.Ch. 3 - Why is the booting process necessary?Ch. 3 - If you have a PC, record the sequence activities...Ch. 3 - Suppose a multiprogramming operating system...Ch. 3 - Prob. 22CRPCh. 3 - Prob. 23CRPCh. 3 - Prob. 24CRPCh. 3 - Prob. 25CRPCh. 3 - Would greater throughput be achieved by a system...Ch. 3 - Prob. 27CRPCh. 3 - What information is contained in the state of a...Ch. 3 - Identify a situation in a multiprogramming system...Ch. 3 - List in chronological order the major events that...Ch. 3 - Prob. 31CRPCh. 3 - Prob. 32CRPCh. 3 - Explain an important use for the test-and-set...Ch. 3 - Prob. 34CRPCh. 3 - Prob. 35CRPCh. 3 - Prob. 36CRPCh. 3 - Prob. 37CRPCh. 3 - Each of two robot arms is programmed to lift...Ch. 3 - Prob. 39CRPCh. 3 - Prob. 40CRPCh. 3 - Prob. 41CRPCh. 3 - Prob. 42CRPCh. 3 - Prob. 43CRPCh. 3 - Prob. 44CRPCh. 3 - Prob. 45CRPCh. 3 - Prob. 46CRPCh. 3 - Prob. 47CRPCh. 3 - Prob. 48CRPCh. 3 - Prob. 49CRPCh. 3 - Prob. 50CRPCh. 3 - Prob. 51CRPCh. 3 - Prob. 52CRPCh. 3 - How is the window manager related to the operating...Ch. 3 - Prob. 54CRPCh. 3 - Prob. 55CRPCh. 3 - Suppose you are using a multiuser operating system...Ch. 3 - Prob. 2SICh. 3 - Prob. 3SICh. 3 - Prob. 4SICh. 3 - Prob. 5SI
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- What are the benefits of assigning process execution to the I/O queue first when it is possible to do so? What do you think will take place in the event that the I/O is interrupted? Will this have an effect on the maximum burst rate that the CPU is capable of? I'm not sure I understand what you mean by that.arrow_forwardWhen a CPU interrupt occurs, the processor comes to a halt and reacts to the signal. Why should the process be halted so that this duty may be completed? Let's start with the pausing procedure and then go on to the carrying out process. Explain?arrow_forwardConsider a multi-processer system with (4) processors, each one has (3) cores. The maximum number of instructions can be processed at a time is.... instructions.arrow_forward
- An interrupt from a CPU causes the processor to cease what it is doing and react to the signal received by the processor. What is the reason for pausing the operation in order to finish this task? Let's start with the process of interrupting and then go on to the process of executing. explain?arrow_forwardMISD runs on device arrays that are arranged in a systolic fashion. A systolic array is a "wavefront" or data processing pipeline. As the data is what really initiates execution, these subparts may function independently of the rest of the programme. When the clocks of the Processors in a systolic array are synchronised, they may do calculations "lock-step."arrow_forwardExplain the concept of pipelining in computer architecture. How does it differ from a traditional single-cycle processor design?arrow_forward
- There are various sorts of arrays, with "systolic array" being one of them. A systolic array is a networked group of data processing devices. Since the receipt of fresh data initiates execution, these components do not need a programmed counter. Using lock-step computing, each node in a timed systolic array alternately conducts calculations and communications inside a single clock cycle.arrow_forwardIf in a computer system , a cpu is capable to process 100 instructions cycles in 1 second . what would be the speed of this cpu in Hertz ?arrow_forwardWhat does Amdahl's law say about the speedup of a workflow?arrow_forward
- Please explain how prioritizing the I/O queue above the process execution queue might improve performance. If the I/O is interrupted, who knows what will happen. To what extent this will reduce the maximum burst rate of the CPU is unclear. I don't think I understand what you're getting at.arrow_forwardWhen a CPU interrupt occurs, the processor comes to a halt and responds to the signal. Why should the process be halted so that this duty may be completed? Let's start with the pausing procedure and then go on to the carrying out process. explain?arrow_forwardIn what ways do interrupt handling systems affect machine performance?arrow_forward
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