Intel面试笔试题
intel面试题附答案
Section 1：OS/Linux/C1.请列举Linux用户态和内核态数据传输的三种方法Answer: ioctl; mmap; copy_to_user/copy_from_user2.Linux设备驱动程序文件操作的最常用的接口：Answer: read; write; ioctl; llseek; open; release (列4个即可)3.在Linux下, fork一个进程,和fork一个线程的唯一区别Answer: 共享mm_struct4.说明下面程序中变量的区别：static int data0=0;function{static int data1=0;int data2=0;}Answer: data0 是一个全局变量，存放于静态存储区，static用来限制全局变量data0的可见范围，将其作用域限制于所在的文件内，在其他文件中是不可见的。
data1是一个静态变量，存放于静态存储区，static 表示的是存储属性。
data2是一个局部变量，存放于自动存储区（栈）。
5.下面结构体的大小:#pragma pack(4)struct test_t {int a;char b;short c;char d;}#pragma pack()Answer: 126.请说出 const char* p 和char* const p 的区别:Answer:char * const p : 定义一个指向字符的指针常数const char* p : 定义一个指向字符常数的指针7.请说明下面C程序的作用main(){char a[]="programming", b[]="language";char *p1,*p2;int i;p1=a; p2=b;for(i=0;i<7;i++)if(*(p1+i)==*(p2+i)) printf(“%c",*(p1+i));}Answer: 比较并打印两个字符串前7个字符中相同的字符。
英特尔面试中常见的问题
英特尔面试中常见的问题IntroductionWith the tech industry growing at an unprecedented rate, job seekers across the globe are always on the lookout for opportunities to work with the leading tech companies. Intel Corporation, a multinational tech company based in California, has recently emerged as a hot favorite among job seekers. However, to land a job at Intel, one must succeed in their rigorous interview process. In this article, we will explore the common questions asked during Intel's interview process and how to answer them effectively.Background of Intel CorporationIntel Corporation, founded in 1968, is an American multinational corporation that designs and manufactures computer components like processors, chipsets, and other electronic equipment. Intel is often referred to as theworld's largest semiconductor chip manufacturer, and its processors are widely used in personal computers, servers, gaming, and other computing applications.Common Interview Questions Asked At Intel1. Tell me about yourself.This is often the first question asked during an Intel interview. It's an open-ended question that allows you totalk about yourself in whatever way you think is appropriate. The interviewer wants to know about your education, work experience, and any other relevant information that might make you a good fit for the job.To answer this question effectively, you should keep it concise and focused on the skills and experience that make you a strong candidate for the job. Highlight your strengths and qualifications that match the requirements of theposition you are applying for.2. What do you know about Intel?This is a question designed to assess your knowledge of the company and its products. Before going for an interview, it is essential to research the company's history, products, and services. You can visit the Intel website and read about their technological innovations, products, and market share.You can also check Intel's social media pages like LinkedIn, Twitter, and Facebook to stay up-to-date with the company's latest developments. Remember, the interviewer is looking for an applicant who has done their homework and has a good understanding of the company's values, goals, and mission.3. What are your strengths and weaknesses?This is a classic interview question that aims to gauge your self-awareness and honesty. When talking about yourstrengths, focus on the skills and qualities that arerelevant to the position. Highlight your past successes and achievements that demonstrate your abilities to meet the job requirements.When discussing your weaknesses, it's important to be honest and show how you have worked towards improving them. You can also highlight the steps you have taken to turn your weaknesses into strengths.4. What are your long-term career goals?This question is a chance for the applicant to show their ambition and vision for their career. Highlight the skillsand experiences you want to gain over time to advance your career. You can also discuss your interests, passion, andlong-term goals to give insights into your career aspirations.Remember to align your long-term goals with the company's mission and values. You want to emphasize how your careergoals align with the company's goals and how you cancontribute to their growth and success.5. How do you handle conflicting priorities?This question aims to assess your problem-solving skills, time management skills, and your ability to handle pressure. You can answer this question effectively by highlighting your ability to identify and prioritize tasks based on their urgency and importance.You can also show your ability to communicate effectively with team members and supervisors to make sure everyone is aligned on the same priorities. Emphasize your ability to stay calm under pressure and make rational decisions that benefit the team and the company as a whole.ConclusionIn conclusion, landing a job at Intel is a dream for many tech enthusiasts. To succeed in their interview process, you need to be prepared for the common questions and answer them effectively. The interview questions are designed to assess your skills, knowledge, and overall fit for the position you are applying for.Make sure to research the company's history, products, and services, align your strengths with the job requirements, and discuss your long-term goals. Practice interviewing with a friend or family member to build confidence and reduce anxiety during the actual interview. By following these tips, you can increase your chances of landing a job at Intel and build a successful career in tech.。
英特尔Intel面试题
英特尔Intel面试题[Intel Interview Questions]Introduction:Intel is a global technology company that designs and manufactures advanced integrated digital technology platforms. As part of their recruitment process, Intel conducts interviews to assess the skills and suitability of candidates for various roles within the company. In this article, we will explore some potential Intel interview questions and provide detailed answers.1. Technical Knowledge Questions:- What is the difference between a CPU and a GPU?Answer: A CPU (Central Processing Unit) is responsible for running the instructions of a computer program, executing tasks on a single thread at high speed. A GPU (Graphics Processing Unit) is designed specifically for rendering and displaying graphics on a screen, performing parallel computations with multiple threads.- Can you explain Moore's Law?Answer: Moore's Law states that the number of transistors on a microchip doubles approximately every two years. It illustrates the exponential growth of computing power and the shrinking size of transistors, leading to increased performance and efficiency in electronic devices.- What is the difference between DDR3 RAM and DDR4 RAM? Answer: DDR3 and DDR4 are different generations of Random-Access Memory. DDR4 offers higher speed and lower power consumption compared to DDR3. DDR4 also provides higherbandwidth, enabling faster data transfer rates between the RAM and the CPU.2. Problem-Solving Questions:- How would you design a traffic light control system? Answer: I would start by understanding the requirements and constraints of the system. Next, I would design a state machine to model the different states of the traffic lights (e.g., green, yellow, red) and the transitions between them based on inputs from sensors and timers. I would then implement the control logic using appropriate programming languages and algorithms.- You have a list of numbers. How would you find the median without using built-in functions?Answer: I would first sort the list of numbers in ascending order. If the number of elements in the list is odd, the median would be the middle element. If the number of elements is even, the median would be the average of the two middle elements. This can be found by calculating the average of the (n/2)th and ((n/2)+1)th elements.3. Behavioral Questions:- Tell me about a time when you faced a challenge at work and how you resolved it.Answer: In my previous job, we had a tight deadline for a project, and the team was struggling to meet the requirements. To overcome this challenge, I facilitated effective communication within the team and identified key areas where we could optimize workflows. I also delegated tasks based on individual strengths and provided resources to support the team. Through collaboration andefficient project management, we were able to deliver the project on time and achieve the desired results.- Describe a situation where you had to work collaboratively with a team to achieve a common goal.Answer: During a group project in university, we had to develop a mobile application within a limited timeframe. We divided the tasks among team members based on their skills and interests. We established regular communication channels and conducted frequent status updates to ensure everyone was on the same page. By leveraging each member's expertise and working together, we successfully developed the application and received positive feedback from our peers and professors.Conclusion:Preparing for an Intel interview requires a strong foundation of technical knowledge, problem-solving skills, and the ability to showcase your experiences through behavioral questions. These sample questions provide a glimpse into the types of inquiries you may encounter during an Intel interview. Remember to research the company, review the job requirements, and practice your responses to increase your chances of success.4. Technical Skills Questions:- Can you explain the difference between multi-core and multi-thread processors?Answer: A multi-core processor consists of multiple independent processing units called cores, each capable of executing instructions in parallel. This allows for simultaneous processing of multiple tasks, improving overall system performance. On the other hand, a multi-thread processor utilizes a technique calledmulti-threading, which allows a single core to handle multiple threads of execution. This enables better utilization of the core's resources and can also improve performance.- How does cache memory work in a computer system? Answer: Cache memory is a small, high-speed memory located closer to the CPU than main memory. It stores frequently accessed data and instructions, allowing for faster access compared to retrieving data from main memory. When the CPU needs data, it first checks the cache to see if the data is present. If it is, a cachehit occurs, and the data is retrieved from the cache. If the data is not present, a cache miss occurs, and the CPU retrieves the data from main memory and stores a copy in the cache for future access.- Can you explain the concept of pipelining in processors? Answer: Pipelining is a technique used in processors to overlap the execution of multiple instructions. It breaks down instruction execution into several stages: fetch, decode, execute, memory access, and writeback. Each stage is performed by a different part of the processor, allowing instructions to flow through the pipeline simultaneously. This improves overall instruction throughput and can result in faster execution.5. Problem-Solving Questions:- How would you design a data structure to efficiently store and retrieve a large number of strings?Answer: One possible approach would be to use a data structure called a trie (prefix tree). In a trie, each node represents a character, and the edges represent the next possible characters. This allows for efficient storage and retrieval of strings based on their prefixes,as common prefixes are shared among different strings. By utilizing trie operations such as insertion and search, the system can efficiently handle a large number of strings.- How would you optimize the performance of a database query that is running slowly?Answer: There are several approaches to optimize the performance of a slow-running database query. Firstly, ensure that appropriate indexes are created on the columns involved in the query, as indexes can significantly improve search speeds. Secondly, analyze the query execution plan and identify any performance bottlenecks, such as a full table scan or inefficient joins. Adjusting the query or adding additional conditions to limit the result set can often improve performance. Additionally, considering database schema design and partitioning data can also improve query performance.6. Behavioral Questions:- Describe a situation where you demonstrated strong problem-solving skills.Answer: In a previous job, we encountered a critical bug in the software that caused system crashes. To identify and resolve the issue, I gathered data from users, performed thorough testing, and analyzed log files. After identifying the root cause of the bug, I proposed a solution and worked closely with the development team to implement and test the fix. Through diligent problem-solving, we successfully resolved the issue, ensuring system stability and avoiding further disruptions.- Tell me about a time when you had to adapt to a rapidly changingwork environment.Answer: In a previous role, our company underwent a significant reorganization that resulted in changes to team structures and project priorities. As a result, my role and responsibilities shifted drastically. To adapt to the new environment, I quickly assessed the changes and embraced a flexible mindset. I collaborated with my colleagues, sought out new opportunities for growth, and adjusted my workflow and priorities accordingly. By embracing change and staying adaptable, I was able to thrive in the new work environment.Conclusion:Preparing for an Intel interview requires not only a solid understanding of technical concepts but also the ability to apply problem-solving skills and effectively communicate your experiences. The additional questions in this section provide further insight into the types of inquiries Intel may pose in an interview. Remember to leverage your technical knowledge, showcase your problem-solving abilities, and demonstrate your adaptability to increase your chances of success.。
Intel面试问题
英文：英文自我介绍：计划性很强英文介绍课题中文：1.你的实验步骤（说一说研究共晶也说一说单晶培养）2.实验的基本原理3.用到的仪器和原理SEM高速电子轰击在样品表面，采集在样品上反射和激发的电子信号，照片中较亮的部分可能是因为该区域粗糙不平或导电性好。
XRD 高速电子激发金属表面，打掉金属原子的内层电子，外层电子跃迁到内层释放X射线。
晶格衍射布拉格方程。
在线红外红外光照射到样品表面，一部分波数的光被样品吸收，收集剩下的一部分。
在线拉曼高强激光打到样品表面，大部分光子散射回去即为瑞利散射，剩下一部分光子能量发生变化，即为斯托克斯位移和反斯托克斯位移，收集这些信号分析。
4.你是自己测试还是其他老师测试。
5.你的5年职业规划（工艺工程师，先做好本职工作，熟练使用和维修负责的基本仪器，之后开始研究本职工作相关的操作，之后成为本条产业链的小组长。
）6.你的advantage 和weakness都是什么。
性格急躁？年轻人性格急好呀。
你要告诉他其实是不好的。
7.你的爱好hobby或者interest8.你了解intel吗（做电脑处理器的65nm的北京上海成都大连深圳）9.你对半导体了解吗（硅、锗、砷化镓等）10.为什么喜欢大连？11.你在实验中遇到的最困难的问题？如何解决？同样的方案不会尝试超过三次12.你的想法和你的老板的不同，该怎么办？13.在评奖学金等时候受到了不公平的待遇应该怎么办？14.如果你独立负责课题，你怎么领导他们开展项目?15.老板给你安排一个任务，要求三天之内完成，但是根本不可能完成，怎么办？尽力完成，加班加点熬通宵，最大努力。
16.客户的要求老板交给你完成，但是客户不信任你，并且你完成的慢，不在规定时间内，你怎么解决？让客户了解我个人的情况，让客户得到想要的结果，重视的是结果。
17.老板交给你任务，你在交差的时候，已经交上去，你突然发现结果里有个大错误，怎么办？肯定要告诉领导，因为错误早晚要发现的，不要拖延。
intel笔试题面试题.doc
intel笔试题面试题1。
高效的内存管理2。
8皇后问题面试Q: (2)编译中的问题：全局变量如inti=5; int*(pf) ()=foo;分别在何时被初始化？设计时候如何具体的实现。
(3) OS相关的问题，内存访问，cache等(包括cache 在整个系统中的位置，画出来，并解释)(4 )解释例如movax, 100H这样一条指令的cpu, os, memory等都完成了什么样的工作。
(5)Strlen ()的C语言实现，不能使用任何变量。
(6)编译中display表的一些问题(7)一个ha sh函数，输入随机，现发生冲突，如数据集中在某几条中，问怎样处理h a sh函数保证高效的访问，怎样实现？(8)把Switch () c ase…语句翻译成三元组。
(9)一个by te (用C语言实现计数其中1的个数)，给出最高效的实现方法。
(位域)或者查表最快的；(10)上海有多少个加油站？你是怎样解决这一问题？(11)C语言参数的入栈顺序？为什么这么实现？(12)你的最大的优点和缺点分别是什么？(13)C语言中字符串的翻转，最高效率(时间和空间) 的实现？20171.三个float: a, b , c 问值(a+b) + c ― (b+a.) +c (a +b)+c==(a+c ) +b2.把一个链表反向填空3.设个重采样系统，说明如何a nt i-alias4.yl (n)=x(2 n), y2 (n) =x (n/2)，问：如果y 1 为周期函数，那么x是否为周期函数如果x为周期函数，那么yl 是否为周期函数如果y2为周期函数，那么x是否为周期函数如果X为周期函数，那么y2是否为周期函数5.如果模拟信号的带宽为5KHZ，要用8K的采样率，怎么办。
4.某个程序在一个嵌入式系统(200M的CP U，50M的S DRAM)中已经最化了，换到另一个系统(300M的CP U，50M的SD RA M)中运行，还需要优化吗？5.x"4 +a*x"3+x"2+c*x+d最少需要作几次乘法6.什么情况下，sin (x +y) +y7.下面哪种排序法对12354最快aq uicksort sortsort8 .哪种结构，平均来讲，获取一个值最快a.bi narytreeb.h ashtablec . s tack1。
intel 面试题
intel 面试题Intel面试题(Introduction)作为一家全球知名的半导体制造和技术创新公司，Intel在科技行业中占据重要地位。
作为一名求职者，参加Intel面试将是一个激动人心的经历。
本文将为您介绍一些可能出现在Intel面试中的常见问题，并提供一些有用的答题技巧和建议。
1. 自我介绍在Intel面试中，面试官通常会要求你进行自我介绍。
在回答此问题时，你应该提及与职位要求和Intel的价值观相关的技能和经验。
例如，你可以强调你的计算机科学背景、编程技能、团队合作能力和对半导体行业的热情。
2. 技术问题作为一家技术驱动型公司，Intel在面试中可能会提出一些与计算机科学和半导体技术相关的问题。
例如，他们可能会问到关于处理器架构、内存管理、算法和数据结构等方面的问题。
准备面试之前，应该对这些领域进行充分的复习和准备，并且能够清晰地解释和阐述你的思路和解决问题的方法。
3. 项目经验面试官可能会要求你谈论你在过去的项目中的经验，并提供相关的细节。
在回答这个问题时，最好选择和Intel相关的项目，例如软件开发、硬件设计或者处理器优化项目。
描述你在项目中承担的角色、使用的工具和技术，以及遇到的挑战和解决方案。
4. 挑战和解决方案Intel面试中常常会问及你在工作中遇到的挑战以及你如何解决它们。
这是一个展示你的解决问题能力和适应能力的好机会。
当回答这个问题时，你可以简要描述挑战的背景，详细说明你采取的步骤和策略，并强调最终的成果和教训。
5. 文化匹配作为一家公司，Intel非常重视员工的文化匹配度。
因此，他们可能会问一些关于你与Intel价值观相匹配的问题。
在回答这个问题时，你需要了解Intel的核心价值观，例如创新、合作、勇气和尊重，然后举出自己在工作中如何体现这些价值观的例子。
6. 提问环节在面试结束之前，面试官通常会问你是否有任何问题。
这是一个展示你对Intel的兴趣和准备程度的机会。
你可以询问关于公司文化、团队组成、发展机会等方面的问题。
英特尔面试经验分享之技术类问题篇
英特尔面试经验分享之技术类问题篇《英特尔面试经验分享之技术类问题篇》2023年，科技行业竞争已经愈发激烈，作为一位计算机专业毕业的学生，现在面临的就是技术类公司的面试。
而其中比较知名的公司之一，就是世界著名的半导体生产厂商英特尔。
对于像我这样的学生来说，能够面试这样的大公司，自然是非常激动的一件事。
然而，在面试之前还是需要对英特尔有一些了解和准备的。
首先，英特尔的技术类问题基本上都比较细致和深入，不会停留在理论知识的表层，而是会从细节入手，在开放性问题上要求考生有自己的想法和独特的见解。
以下是我在面试时遇到的几个英特尔技术类问题，希望对其他考生有所帮助：1. 讲一下你了解的计算机体系结构，并描述它们之间的关系。
在回答这个问题时，我立刻想到了《计算机组成与设计：硬件/软件接口》这本教材。
我解释了计算机的五大部件：存储器、存储器控制器、输入输出(输入/输出)、中央处理器(CPU)和系统总线，以及它们之间的关系。
在许多情况下，考官还会追问你关于特定组件的工作原理和性能等细节。
2. 程序员为什么要关注内存带宽？内存带宽是系统中测量传输数据量的一种方式，可以理解为读写内存的速度。
如今，随着计算机和云计算的惊人增长，计算单元的数量已经接近天文数字。
而内存带宽的低下则往往会成为潜在的制约因素。
因此程序员需要关注内存带宽，来确保能够充分利用系统资源，提高计算效率。
3. 你了解什么是并发编程吗？你如何保证线程安全？并发编程是指在单个程序中同时运行多个计算，通常以多线程的形式出现。
这个问题是我非常熟悉的知识点。
我解释了在多个线程之间共享数据和资源可能会导致的问题，其中包括数据竞争和死锁等，以及如何通过同步机制并引用记数来保证线程安全。
4. 如何衡量程序的性能？性能是指一个程序能否根据要求及时地完成任务的能力，也就是系统对某种工作任务的响应能力。
我在回答这个问题时，从 CPU 和内存的使用等角度去考虑，还讲解了性能跟响应时间的关系，以及性能剖析工具怎样在实际工作场景中加快调试。
Intel电话面试、一面、二面、三面全纪录
Intel电话面试、一面、二面、三面全纪录电话面试1多线程同步及各种方法的用途区别(三种)2当前linux页表是几级的3ufs&ext2的区别42.4/2.6内核你知道的有哪些不同5进程调度算法，有哪些影响进程优先级的因素一面首先介绍项目，时间占了近20，然后问了一堆技术问题。
1structs{chara;shortb;doublec;};sizeof(s)，为什么要对齐。
2如何生成动态链接库3如何加载动态链接库4远程登陆和本地登陆的区别5如何控制socket等待连接的时间6linux2-6.12.src.rpm如何安装使linux运行新的映像7gcc预处理选项-e8列举线程函数库9线程同步10fork&pthread_create11内核编程和用户编程的区别12copy_from_user函数是否可能阻塞13写脚本打印当前机子所有的用户名14perl和python15安装了一个网卡驱动程序，把相关的网卡拔掉会出现什么问题16是否做过开源项目，用到那些工具17自己的爱好从事哪方面的开发?kernel&app18数据结构的理解，内核中用到那些比较牛的数据结构，然后开始漫谈算法19写过什么模块吗?内核模块一般放在哪里?20自己的职业规划21malloc(100m)整个系统的动作，何时申请内存、缺页中断、阻塞等一系列问题22char*p=0×1000;chara=*p;编译、运行会有什么状况、解释原因23brk系统调用的理解，用户的交互24intmain(){for(;;);return0;}这个代码运行后系统会有什么情况，内核如何感知?如何处理?25copy_from_user()函数可能阻塞吗?如果是，请举例，分析原因二面面试持续一个小时，比较深入的东西，让我感觉很爽。
整个面试过程都是我再白板上写啊画啊，不停讨论。
面试持续1小时，整个过程比较轻松就像是在交流。
1介绍项目15分钟左右。
intel的面试题
intel的面试题在谈及Intel的面试题之前，首先需要明确的是面试题的类型和层次。
Intel作为一家全球知名的半导体公司，其面试题涉及的领域广泛，包括电子工程、计算机科学、通信技术等等。
因此，以下将从不同角度探讨Intel的面试题。
一、电子工程方面的面试题在电子工程领域的面试中，Intel通常会考察考生对于电路设计、信号处理和集成电路等方面的知识。
例如，以下是一个可能的面试题：题目：设计一个四位数的16进制转10进制的电路。
正文：这个题目要求考生设计一个能够将四位数的16进制数转换成对应的10进制数的电路。
在回答这个问题时，考生可以从以下几个方面展开论述：1. 设计思路：考生可以介绍一些常见的16进制转10进制的方法，如权重法或分离法，并解释选择某种方法的原因。
2. 电路实现：考生可以描述电路的基本组成部分，如逻辑门、计数器等，并解释为什么选择这些元件。
3. 电路测试：考生可以讨论如何测试这个电路的正确性和性能，并介绍可能遇到的问题以及解决方法。
二、计算机科学方面的面试题在计算机科学领域的面试中，Intel通常会考察考生对于计算机体系结构、操作系统和算法等方面的知识。
以下是一个可能的面试题：题目：请解释虚拟内存的工作原理。
正文：这个题目要求考生解释虚拟内存是如何实现的以及其工作原理。
在回答这个问题时，考生可以从以下几个方面展开论述：1. 虚拟内存基本概念：考生可以简要介绍虚拟内存的概念、作用和优势。
2. 实现方式：考生可以介绍虚拟内存的实现方式，如分页式和分段式，并比较它们的优缺点。
3. 工作原理：考生可以详细描述虚拟内存的工作原理，包括地址映射、页表和页面置换等关键步骤。
4. 效果分析：考生可以讨论虚拟内存对于系统性能和用户体验的影响，并解释一些常见问题的解决方法。
三、通信技术方面的面试题在通信技术领域的面试中，Intel通常会考察考生对于通信协议、网络架构和网络安全等方面的知识。
以下是一个可能的面试题：题目：请解释TCP/IP协议栈的四层模型。
Intel笔试面试题目
Intel笔试面试题目智力题1．每天中午从法国塞纳河畔的勒阿佛有一艘轮船驶往美国纽约，在同一时刻纽约也有一艘轮船驶往勒阿佛。
已知横渡一次的时间是7天7夜，轮船匀速航行，在同一航线，轮船近距离可见。
请问今天中午从勒阿佛开出的船会遇到几艘从纽约来的船？2．巴拿赫病故于1945年8月31日。
他的出生年份恰好是他在世时某年年龄的平方，问：他是哪年出生的？答案：设他在世时某年年龄为x，则x的平方笔试题目1．设计一个重采样系统，说明如何anti-alias。
2．y1（n）=x（2n），y2（n）=x（n/2），问：如果y1为周期函数，那么x是否为周期函数？如果x为周期函数，那么y1是否为周期函数？如果y2为周期函数，那么x是否为周期函数？如果x为周期函数，那么y2是否为周期函数？3．如果模拟信号的带宽为5kHz，要用8k的采样率，怎么办。
4．某个程序在一个嵌入式系统（200M的CPU，50M的SDRAM）中已经化了，换到另一个系统（300M的CPU，50M的SDRAM）中运行，还需要优化吗？5．x^4+a*x^3+x^2+c*x+d最少需要做几次乘法。
6．三个float:a,b,c问值：（a+b）+c==（b+a）+c（a+b）+c==（a+c）+b7．把一个链表反向填空。
8．下面哪种排序法对12354最快？A. quick sortB. buble sortC. merge sort9．哪种结构平均来讲获取一个值最快？A. binary treeB. hash tableC. stack10．#include"stdafx.h"struct bit{ int a:3;int b:2;int c:3;};int main(int argc, char* argv[]) {bit s;char *c = (char*)&s;*c = 0x99;cout <<s.a <<<s.b<<endl<<s.c<return 0;}Output:?11．挑bug，在linux下运行：char*reverse(char* str){int len=0, i=0;char *pstr=str, *ptemp,*pd; while(*++pstr)len++;pstr--;//ptemp=(char*)malloc(len+1); ptemp=(char*)malloc(len+1); pd=ptemp;while(len--){*ptemp=*pstr;ptemp++;pstr--;i++;}*ptemp=*pstr;ptemp++;*ptemp='\0';return pd;}main(){char string[40]= "Hello World!";char *pstr=string;printf("%s", pstr);printf("%s", reverse(pstr));}实验室笔试题1．写出下列信号的奈亏斯特频率（1）f（t）=1+cos（2000pait）+sin（4000pait）（2）f（t）=sin（4000pait）/pait（3）f（t）=（sin（4000pait）的平方）/pait 2．有两个线程void producer(){while(1){GeneratePacket(); PutPacketIntoBuffer(); Signal(customer);}}void customer(){while(1){WaitForSignal();if(PacketInBuffer>10) {ReadAllPackets(); ProcessPackets();}}（1）有没有其他方法可以提高程序的性能（2）可不可以不使用信号之类的机制来实现上述的功能3．优化下面的程序（0）sum=0（1）I=1（2）T1=4*I（3）T2=address(A)-4（4）T3=T2[T1]（5）T4=address(B)-4（6）T5=4*I（7）T6=T4[T5]（8）T7=T3*T5（9）sum=sum+T6（10）I=I+1（11）IF I。
intel面试常见问题解析论述intel面试最常遇到的问题,以及如何回答这些问题
intel面试常见问题解析论述intel面试最常遇到的问题，以及如何回答这些问题IntroductionIntel is a leading multinational technology company that specializes in designing and manufacturing semiconductor chips, motherboards, and other computer related hardware. The company has a strong reputation for innovation and has beenat the forefront of advances in the technology industry. As such, getting a job at Intel is a dream come true for many aspiring engineers and tech enthusiasts. However, to land ajob at Intel, you must first go through a rigorous interview process that is designed to identify the most qualified candidates. In this article, we will look at some of the most common interview questions you may encounter when applyingfor a job at Intel and how you can answer them to increaseyour chances of getting hired.Interview Questions1. Tell me about yourselfThis is often the first question asked in many interviews, and it aims to help the interviewer get to know you better. You should use this question as an opportunity to highlight your personal and professional achievements. Avoid sharing personal information or anything that is unrelated to the job.2. Why do you want to work at Intel?This question is aimed at assessing your level of interest in the company. Do your research on Intel and find out what makes them stand out from their competitors. Talk about their cutting-edge technology, their commitment to innovation, and how working for Intel would help you achieve your career goals.3. What are your strengths and weaknesses?This question is aimed at helping the interviewer to evaluate your suitability for the job. Your strengths should highlight your skills and experience that make you the perfect candidate for the job. You can talk about yourability to work independently, your excellent communication skills, and your attention to detail. Your weakness should show room for improvement, but never say that you don't havea weakness, as this can come across as arrogant.4. How do you handle pressure and tight deadlines?Intel is a fast-paced environment with tight deadlines, and handling pressure is a key requirement for the job. When answering this question, highlight how you manage your time and prioritize tasks to meet project deadlines. Talk about how you manage your emotions, and how you seek help when you feel overwhelmed.5. What are your goals for the next five years?This question is designed to determine if you have a clear career path and goals. Talk about how you want to grow within the company and how you want to contribute towards Intel's growth and success. Highlight your desire to learn new technologies and innovate to help Intel remain competitive.6. How do you approach problem-solving?Intel is looking for individuals who can solve complex problems and think critically. When answering this question, talk about your process of analyzing the problem, identifying the root cause, and coming up with a solution. Highlight your ability to work collaboratively as well as independently when problem-solving.7. Can you explain a technical concept to someone with no technical background?This question is aimed at assessing your communication skills. Choose a technical concept that you understand well and explain it in a clear and concise manner using analogies and non-technical language. This will show that you can communicate technical concepts effectively to a non-technical audience.ConclusionIntel is a highly respected company with a strong reputation for innovation and technical excellence. To get ajob at Intel, one must pass the rigorous interview process, which involves answering common interview questions. Being prepared and having a strong understanding of the company's culture, achievements, goals, and technology is key to excelling in the interview. By following the tips outlined in this article, you will be better equipped to answer the most common interview questions and increase your chances of getting hired by Intel.。
[实战演练]Intel面试题目-进栈出栈顺序问题
![[实战演练]Intel面试题目-进栈出栈顺序问题](https://img.taocdn.com/s3/m/3f3b3c45ce84b9d528ea81c758f5f61fb7362863.png)
[实战演练]Intel⾯试题⽬-进栈出栈顺序问题电话⾯试中写C++，逻辑⽐较清楚的⼀个题⽬，⼀紧张就不能好好地写下来，漏洞百出。
以前经常在完善的编译环境中写代码，换了⼀个⽩板⼦上写反⽽写的不通顺了，犯了⼀些基础错误，⽐如stack中的⾸个元素是top⽅法，判断是否为空为empty⽅法，⽅法名字写错了……以后看来还是要勤加练习才好。
废话不多说，直接看题⽬了。
题⽬：两个数组，长度相同，都为n，两个数组分别为inseq和outseq，求出如果以inseq为⼊栈顺序，那么outseq可不可能是它的⼀个出栈顺序，可能则返回true样例：inseq = {1,2,3,4,5} outseq={5,4,3,2,1} 返回true；inseq = {1,2,3,4,5} outseq={4,3,2,1,5}，返回true；inseq = {1,2,3,4,5} outseq={2,3,5,1,4}，返回false。
解题思路：模拟整个过程，挨个把inseq的数据放⼊栈中。
直到栈顶元素和出栈序列outseq所指的元素相同，则⼀直出栈，并将outseq指针后移，直到栈顶元素和outseq指针所指的元素不⼀样了，则⼜开始进栈。
每次循环中，要么进栈，要么出栈，总要有⼀个动作在执⾏，如果既没出栈也没进栈，⼀定出了什么问题，直接跳出循环，最后进⾏判断。
代码如下：1 #include <iostream>2 #include <stack>3using namespace std;45bool islegal(int *inseq, int *outseq, int n){6if(n==0) return true;7if(n==1) return inseq[0]==outseq[0];8 stack<int> st;910int i=0,j=0;1112bool flag = false; //⽤于确定每⼀个最外层while循环中有操作在执⾏，没有操作可以执⾏，则必然有违反的情况13while(j<n){14if((st.empty() || (st.top()!= outseq[j])) && i<n){//如果栈为空或者第⼀个元素不等于出栈序列第⼀个元素,且i<n，则进栈15 st.push(inseq[i]);16 i++;17 flag = true;18 }19if(!st.empty() && st.top()== outseq[j] ){//如果栈不为空，并且第⼀个元素等于出栈序列第⼀个元素，则出栈20 st.pop();21 j++;22 flag = true;23 }24if (!flag)25break;26else27 flag = false;28 }29if(st.empty() && j==n && i==n)30return true;3132return false;33 }3435int main(){36int a[] = {1,2,3,4,5};37int b[] = {4,3,5,2,1};38 cout<<islegal(a,b,5);39 system("pause");40return0;41 }。
Intel面试笔试题
Intel interview questionsZZThe following questions are used for screening the candidates during the first interview. The questions apply mostly to fresh college grads pursuing an engineering career at Intel.Have you studied buses? What types?Have you studied pipelining? List the 5 stages of a 5 stage pipeline. Assuming 1 clock per stage, what is the latency of an instruction in a 5 stage machine? What is the throughput of this machine ?How many bit combinations are there in a byte?For a single computer processor computer system, what is the purpose of a processor cache and describe its operation?Explain the operation considering a two processor computer system with a cache for each processor.What are the main issues associated with multiprocessor caches and how might you solve them?Explain the difference between write through and write back cache. Are you familiar with the term MESI?Are you familiar with the term snooping?Describe a finite state machine that will detect three consecutive coin tosses (of one coin) that results in heads.In what cases do you need to double clock a signal before presenting it to a synchronous state machine?You have a driver that drives a long signal & connects to an input device. At the input device there is either overshoot, undershoot or signal threshold violations, what can be done to correct this problem? What are the total number of lines written by you in C/C++? What is the most complicated/valuable program written in C/C++?What compiler was used?What is the difference between = and == in C?Are you familiar with VHDL and/or Verilog?What types of CMOS memories have you designed? What were their size? Speed?What work have you done on full chip Clock and Power distribution? What process technology and budgets were used?What types of I/O have you designed? What were their size? Speed? Configuration? Voltage requirements?Process technology? What package was used and how did you model the package/system? What parasitic effects were considered?What types of high speed CMOS circuits have you designed?What transistor level design tools are you proficient with? What types of designs were they used on?What products have you designed which have entered high volume production?What was your role in the silicon evaluation/product ramp? What tools did you use?If not into production, how far did you follow the design and why did not you see it into production?。
英特尔笔试题
英特尔笔试题英特尔概率题某,y为随机变量，联合概率密度f(某,y)=intig(0,1)某d某某intig(0,某)某k某dy，k为常数，求k=E(某y)=注：intig(a,b)为a到b的定积分。
2、概率题A,B为随机事件，以下哪个正确A.P(AUB)某p(AB)<=P(A)P(B)B.P(AUB)某p(AB)>=P(A)P(B)C.P(AUB)某p(AB)<=P(A)+P(B)D.P(AUB)某p(AB)>=P(A)+P(B)3、信道带宽200kHz,信噪比10dB，求信道波特率＝1．奈奎斯特定理奈奎斯特证明，对于一个带宽为W赫兹的理想信道，其最大码元（信号）速率为2W波特。
这一限制是由于存在码间干扰。
如果被传输的信号包含了M个状态值（信号的状态数是M），那么W赫兹信道所能承载的最大数据传输速率（信道容量）是：C=2某W某log2M（bp）假设带宽为W赫兹信道中传输的信号是二进制信号（即信道中只有两种物理信号），那么该信号所能承载的最大数据传输速率是2Wbp。
例如，使用带宽为3KHz的话音信道通过调制解调器来传输数字数据，根据奈奎斯特定理，发送端每秒最多只能发送2某3000个码元。
如果信号的状态数为2，则每个信号可以携带1个比特信息，那么话音信道的最大数据传输速率是6Kbp；如果信号的状态数是4，则每个信号可以携带2个比特信息，那么话音信道的最大数据传输速率是12Kbp。
因此对于给定的信道带宽，可以通过增加不同信号单元的个数来提高数据传输速率。
然而这样会增加接收端的负担，因为，接收端每接收一个码元，它不再只是从两个可能的信号取值中区分一个，而是必须从M个可能的信号中区分一个。
传输介质上的噪声将会限制M的实际取值。
2．香农定理奈奎斯特考虑了无噪声的理想信道，而且奈奎斯特定理指出，当所有其他条件相同时，信道带宽加倍则数据传输速率也加倍。
但是对于有噪声的信道，情况将会迅速变坏。
绝对出乎意料!Intel公司的面试题(附答案)
绝对出乎意料！Intel公司的最新面试题(附答案)
绝对出乎意料！Intel公司的最新面试题(附答案) 作者:珍珠与橄榄石
上个星期我参加Intel的面试，一路过关斩将，其实到了最后一论也就90%能进了，所以问的问题不再是技术上的，而且问的比拟随意，但是绝对出乎我的预料。
面试我的是一个部门经理，年龄大概35岁左右。
我坐在一间小房间里进来一个中年男子，看上去很随和，很友好。
他进来两手空空，开口说某某某你好，然后笑了笑他说：我们前面的考官对你印象不错，这是最后一轮了，我简单的了解一下。
第一题我说：好他问：一台电脑，没有网络，不能用鼠标和键盘，不能拆机箱，也不能直接拔电源，不能对电脑有任何损坏，我要你关机，你怎么做到？我说：我做不到，除非电脑没有开机第二题他说：你为什么不去参加我型我秀。
我差点没听错，太奇怪的问题我说：参加过，被淘汰了，我跟他开玩笑的说他说：呵呵，你对这个节目有什么看法？我说：如果只是为了知名那是没有必要，但是这个节目可以锻炼一个人的舞台表演和急性演讲，上这个的节目的人需要很灵活，反响要很快。
至于这个节目嘛我实在是不敢恭维，建议你可以到MOP和天涯上看看评论他：大笑。
第三题：这题我真的很难答复他说：如果明天你被告之要离开Intel，今天你会跟我说什么？真是出乎我的意料啊，我TM还在面试你就跟我说这个我说：人才吗不一定“才”掉的就不是人才，大公司都不缺人才，也都缺人才。
“好男儿，站出来，恭喜你，跟我来”，他对我说：完了，谢谢大家。
intel面试题
intel面试题在过去几十年里，Intel一直是全球领先的半导体公司之一。
作为一家拥有众多技术专精人才的公司，Intel面试是众多应聘者们梦寐以求的机会。
本文将就一些常见的Intel面试问题进行探讨和回答，帮助应聘者更好地准备面试。
问题一：请简单介绍一下自己的背景和技术技能。
回答：我是一名计算机科学专业的毕业生，拥有扎实的编程基础和丰富的项目经验。
我在大学期间主修计算机体系结构和嵌入式系统，并积极参与各类编程竞赛和实习活动。
我熟悉C++和Python等编程语言，能够使用各种开发工具和环境进行软件开发。
此外，我对计算机网络和操作系统也有一定的了解。
问题二：请介绍一下你最近的项目经验，并分享其中的挑战和解决方案。
回答：最近我参与了一个嵌入式系统开发项目。
该项目的目标是设计一个智能家居控制系统，通过传感器和执行器的联动，实现对家庭环境的智能控制。
我在项目中负责嵌入式软件的开发和调试工作。
在开发过程中，我遇到了一些难题，比如与传感器的数据交互、实时任务的调度等。
为了解决这些问题，我深入学习了相关的技术文档，并结合团队成员的意见进行调试和优化。
最终，我们成功地完成了项目，并在展示中获得了好评。
问题三：请解释一下什么是多道技术。
回答：多道技术，即多道程序设计，是指在计算机系统中同时运行多个程序的一种技术。
通过合理的资源调度和任务切换策略，多道技术可以提高计算机系统的利用率和吞吐量。
在多道技术中，每个程序都是按照一定的时间片或优先级进行调度执行，从而实现了程序的并行执行。
多道技术在操作系统和并行计算领域有着广泛的应用。
问题四：请简要说明一下Cache的工作原理。
回答：Cache是计算机系统中的一种高速缓存器，用于加快对数据的访问速度。
Cache的工作原理可以概括为“接近原则”和“局部性原理”。
具体来说，当CPU需要访问数据时，首先会先在Cache中进行查找，如果能找到则直接返回数据，否则再去主内存中查找。
这样可以避免频繁地读取主内存，从而提高了数据访问的效率。
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I n t e l面试笔试题 This manuscript was revised by the office on December 22, 20121、自我介绍2、为什么要录取你3、你做了多少项目；有没有过失误，产品有问题了怎么查找，怎么弥补；跟上司有没有意见不一致，怎么解决的；工作体系架构是怎么样的；讲讲跟团队合作方面的案例；你自己认为有什么优势来Intel……4、南北桥各自的作用 :北桥,南桥是主板上芯片组中最重要的两块了.它们都是总线控制器.他们是总线控制芯片.相对的来讲,北桥要比南桥更加重要.北桥连接系统总线,担负着cpu访问内存的重任.同时连接着AGP插口,控制PCI总线,割断了系统总线和局部总线,在这一段上速度是最快的.南桥不和CPU连接通常用来作I/O和IDE设备的控制.所以速度比较慢.一般情况下,南桥和北桥中间是PCI总线.南桥芯片主要负责外部设备的数据处理与传输。
北桥芯片的主要功能是数据传输与信号控制。
它一方面通过前端总线与CPU交换信号，另一方面又要与内存、AGP、南桥交换信号。
5、2、一个链表，不知道header指针，只知道其中一个节点指针，要删除这个节点6、: h->a->b->c->d->... 不知道h位置，只知道p指向c，要del c，不能破坏链其他节 : 点情况！ : 前移，del next :7、3、MFC中几个macro作用 : #define (name) do_##name (x)do_x : #define (name) #@name (x) 'x' :8、再加一些：9、你认为一个好的Project leader应该具备那些特点10、你认为自己有哪些自豪的地方适合Intel，技术的或者非技术的11、PCI总线上的设备发现与资源分配的过程计算机的接口卡一般会用到I/O端口、存储器空间、中断及DMA等计算机资源。
传统ISA接口卡通过更改跳线来避免多块卡之间的资源冲突，PCI接口卡则摒弃了硬件跳线，由软件统筹分配资源，这被称为即插即用。
为实现此功能，PCI协议除了可以对I/O空间、存储器空间读写外，还定义了对配置空间的读写（C/BE0～C/BE3=1010、1011）。
所谓配置空间，是指映射到每块接口卡上的256字节的特殊功能寄存器。
设计者事先在配置空间的指定位置写入需要申请使用的资源量，主板上电后，由PnP-Bios读取各卡的配置空间，对它们所需的资源进行统筹分配，再将分配结果写回对应的配置空间地址，完成自动配置。
12、对于Cache的认识，至少有两个面试官问了这个问题还有一下想不起来了，大家补充吧intel笔试题intel笔试题（技术类）4道问答题，1。
你觉得C程序中为什么会有main(), 有没有想过 exit,return,或什么都不做都能够让程序正常终止2TOTAL个人伟一圈，从1开始数到N,谁数到N出圈，下一个人继续从1开始数，返回最后一个出局的人，#define TOTAL 15;int xxxx(int N){ int ring[TOTAL] = {1,1,1,1,1,11,1,1,1,1,1,,11,,1,1,1,11,,11,} 全是1，面试int nextstart = 0;for (i =1; i{counter = 0;while(counter if (_______________)ring[nextstart] = 0;do {(____________;)/*是不是还有一句*/} while(!ring[nextstart]); }}return nextstart +1;}3. 一到互斥锁题，着一种状况下锁失效。
记得代码，不过懒的写了，上题写的都累，太多了，觉得不是一研能看出来的，4。
VLMI (是不是这样缩写）和 super scale 从 architecture角度看是什么突然想不起这道了。
列举intel四种架构我再加几个题目记得几个：在那些场合可以应用用EXIT,RETURN或者不用时，程序退出的解释！人排圈数数出列（数到N的），求最后出列的人添加程序完成上述功能br />4.还有一个互斥的问题编程解释5.从VIEW和SUPER SCALAR观点看CPU ARCHITECT6.列出INTEL的芯片结构系列还有一堆有关INTEL ACHITECT的多选题！以后大家早点学习IA啊！还有----，增加中1。
关于c的main函数2。
15个人循环报数，报到N的出列，找出最后留下的那个人，算法填空题3。
找出一个给出的并行解决方案的错误情况4。
关于GPIO,intel的四种体系结构通用可编程输入输出口选择题10题有关vc和c，指针，HyporThreading Dual-core等等继续---1. 三个float:a,b,c (a+b)+c==(b+a)+c (a+b)+c==(a+c)+b2. 把一个链表反向填空3. 设计一个重采样系统，说明如何anti-alias4. y1(n)=x(2n), y2(n)=x(n/2),问：如果y1为周期函数，那么x是否为周期函数如果x为周期函数，那么y1是否为周期函数如果y2为周期函数，那么x是否为周期函数如果x为周期函数，那么y2是否为周期函数5. 如果模拟信号的带宽为5KHZ，要用8K的采样率，怎么办。
4. 某个程序在一个嵌入式系统(200M的CPU,50M的SDRAM)中已经最化了，换到另一个系统(300M的CPU,50M的SDRAM)中运行，还需要优化吗5.x^4+a*x^3+x^2+c*x+d最少需要作几次乘法6. 什么情况下，sin(x+y)+y ~ .... 7. 下面哪种排序法对12354最快a quick sort b buble sort c merge sort 8. 哪种结构，平均来讲，获取一个值最快a. binary tree c. stack 1。
写出下列信号的奈亏斯特频率（1）f（t）＝1＋cos（2000pait）＋sin（4000pait）（2）f(t)=sin(4000pait)/pait (3)f(t)=(sin(4000pait)的平方)/pait 2.填程序把一个计算m^n的程序填充完整，大概的意思是：有一个全局数组char s[BUFSIZE] 利用这个数组计算，就是每个单元存放计算结果的一位，index小的存放低位，index大的存放高位3。
有两个线程voidproducer() { while(1) { GeneratePacket(); PutPacketIntoBuffer(); Signal(customer); } } void customer() { while(1) { WaitForSignal(); if(PacketInBuffer>10) { ReadAllPackets(); ProcessPackets(); } } } （1）有没有其他方法可以提高程序的性能（2）可不可以不使用信号之类的机制来实现上述的功能4。
优化下面的程序(0)sum=0 (1)I=1 (2)T1＝4*I (3)T2=address(A)-4 (4)T3=T2[T1] (5)T4=address(B)-4 (6)T5=4*I (7)T6=T4[T5] (8)T7=T3*T5 (9)sum=sum+T6 (10)I=I+1 (10)IF I<20 GOTO (2) 考的题目大致上是这样的：CS考题：大约三四题涉及体系结构，诸如pipeline，缓存的hit-ratio之类, 考了一些C/C++的知识有一题类似IQ题最最恶心的是有个写的很烂的程序，让你填空，反正我在15分钟内没作出来，可能我比较弱吧。
EE考题：一题关于恒比码，是一种纠错码。
一题是FFT 一题枚举类型定义的（似乎应该放在CS里面）又一题IQ 程序实现八个皇后问题3．如果模拟信号的带宽为5kHz，要用8k的采样率，怎么办。
4．某个程序在一个嵌入式系统（200M的CPU，50M的SDRAM）中已经最优化了，换到另一个系统（300M的CPU，50M的SDRAM）中运行，还需要优化吗5．x^4+a*x^3+x^2+c*x+d最少需要做几次乘法。
6．三个float:a,b,c问值：（a+b）+c==（b+a）+c（a+b）+c==（a+c）+b7．把一个链表反向填空。
8．下面哪种排序法对12354最快A. quick sortB. buble sortC. merge sort9．哪种结构平均来讲获取一个值最快A. binary treeB. hash tableC. stack10．#include“”#includestruct bit{ int a:3;int b:2;int c:3;};int main(int argc, char* argv[]) {bit s;char *c = (char*)&s;*c = 0x99;cout <<}Output:11．挑bug，在linux下运行：#includechar*reverse(char* str){int len=0, i=0;char *pstr=str, *ptemp,*pd;while(*++pstr)len++;pstr--;P(A U B)*p(AB) <= P(A)P(B)B. P(A U B)*p(AB) >= P(A)P(B)C. P(A U B)*p(AB) <= P(A) P(B)D. P(A U B)*p(AB) >= P(A) P(B)3: 信道带宽200kHz,信噪比10dB，求信道波特率＝4：以下代码运行结果是什么int main(){int a,b,c,abc = 0;a=b=c=40;if(c){int abc;abc = a*b c;}printf("%d,%d", abc, c);return 0;}5：给出了从纽约出发和到达落山鸡的各种航班信息，写出找到一条从纽约到落山鸡的最短距离的航班组合的代码。
6：从计算机图形上截取某个物体边缘的若干个坐标，求这个物体面积，并跟判断是方形还是圆形，为啥。
(坐标不记得，大概是个圆)。
7：离散卷机与DFT的区别与关系。
快速求不满足2^N长度的离散傅立叶变换的方法有哪些如何用fft求N*M点的离散卷机8：给出fir和iir的优缺点。
9：如何计算线性标量量化器的量化噪声需要那些假设。