1.采用指定算法模拟动态分区管理方式的主存分配。能够处理以下的情形: ⑴ 随机出现的进程i申请jKB内存,程序能判断是否能分配,如果能分配,要求输出分配的首地址Faddress,并要求输出内存使用情况和空闲情况。 内存情况输出的格式为:Faddress该分区的首地址;Eaddress该分区的尾地址 Len 分区长度;Process 如果使用,使用的进程号,否则为0 ⑵ 主存分配函数实现寻找空闲区、空闲区表的修改、已分配区表的修改功能。
上传时间: 2013-12-30
上传用户:zhuyibin
The many variants of the Unix operating system require use of a mode of thought that s significantly different from the one that s required by simpler operating systems. Think Unix introduces readers to important fundamental and intermediate Unix commands and, in the process, inculcates them in the Unix way of thinking. It s a worthy goal in a world with more Linux users than ever, and author Jon Lasser accomplishes it. He s both a capable writer and a knowledgeable user of Unix shell commands. Lasser uses bash under Red Hat Linux in most examples--which usually apply equally well to other Unix variants--and makes asides about other shells and environments, as needed.
标签: significantly operating variants of
上传时间: 2017-09-04
上传用户:qq521
The running time of quicksort can be improved in practice by taking advantage of the fast running time of insertion sort when its input is “nearly” sorted. When quicksort is called on a subarray with fewer than k elements, let it simply return without sorting the subarray. After the top-level call to quicksort returns, run insertion sort on the entire array to finish the sorting process.
标签: running advantage quicksort improved
上传时间: 2013-12-01
上传用户:梧桐
Here an embedded System-on-Chip is build, in an Xilinx Spartan-3 FPGA with Microblaze as the processor.A PLB core System is made with the VGA IP core attached to it. The software written for the MicroBlaze processor specifies the object, the color and the movement of the display. The functionality of the module is verified by implementation on Spartan 3.
标签: System-on-Chip Microblaze embedded Spartan
上传时间: 2013-12-20
上传用户:上善若水
to become acquainted with a concept « cursor» language of SQL, by the types of cursors, to study the process of creation and application of cursors. To consider the examples of the use of cursors at creation of SQL of queries.
标签: acquainted language concept cursors
上传时间: 2013-12-24
上传用户:libenshu01
A large body of computer-aided techniques has been developed in recent years to assist in the process of modeling, analyzing, and designing communication systems . These computer-aided techniques fall into two categories: formula-based approaches, where the computer is used to evaluate complex formulas, and simulation-based approaches, where the computer is used to simulate the waveforms or signals that flow through the system. The second approach, which involves “waveform”-level simulation (and often incorporates analytical techniques), is the subject of this book. Since performance evaluation and trade off studies are the central issues in the analysis and design of communication systems, we will focus on the use of simulation for evaluating the performance of analog and digital communication systems with the emphasis on digitalcommunication systems.
标签: computer-aided techniques developed assist
上传时间: 2014-01-01
上传用户:541657925
three proceses , one proces read some mesages entered from the keyboard until read s EXIT, the the second process kill his son, than kill himself.
标签: the read proceses keyboard
上传时间: 2014-01-17
上传用户:firstbyte
The TJA1040 is an advanced high speed CAN transceiver for use in automotive and general industrial applications. It supports the differential bus signal representation described in the international standard for in-vehicle high speed CAN applications (ISO11898). CAN (Controller Area Network) is the standard protocol for serial in-vehicle bus communication, particularly for Engine Management and Body Multiplexing. The TJA1040 provides a Standby mode, as known from its functional predecessors PCA82C250 and PCA82C251, but with significantly reduced power consumption. Besides the excellent low-power behavior the TJA1040 offers several valuable system improvements. Highlights are the absolute passive bus behavior if the device is unpowered as well as the excellent EMC performance.
标签: CAN
上传时间: 2015-03-23
上传用户:Yuan Lo
《分析性写作》,介绍言简意赅: The popular, brief rhetoric that treats writing as thinking, WRITING ANALYTICALLY, Sixth Edition, offers a series of prompts that lead you through the process of analysis and synthesis and help you to generate original and well-developed ideas. The book's overall point is that learning to write well means learning to use writing as a way of thinking well. To that end, the strategies of this book describe thinking skills that employ writing. As you will see, this book treats writing as a tool of thought--a means of undertaking sustained acts of inquiry and reflection.
上传时间: 2015-08-22
上传用户:东大寺的
DSP的全称为Digital Signal Process,即数字信号处理技术,DSP芯片即指能够实现数字信号处理技术的芯片。近年来,数字信号处理器(DSP)芯片已经广泛用于自动控制、图像处理、通信技术、网络设备、仪器仪表和家电等领域;DSP为数字信号处理提供了高效而可靠的硬件基础。DSP芯片的内部采用程序和数据分开的哈佛结构,具有专门的硬件乘法器,广泛采用流水线操作,提供特殊的DSP指令。
标签: 关于学习dsp的教程
上传时间: 2015-10-26
上传用户:plancking