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第7章

你也能拿高薪-第7章

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    6。 When a radio is tuned to 98。1 MHz & with a LO of 108。8 MHz; what is the image frequency?    
    7。 For a system with a matched impedance; what is the Reflection Coefficient and SWR?    
    8。 Which property of the output capacitor is the primary cause of Low Drop Out(LDO) regulator loop instability?    
    (1)Equivalent series resistance(ESR)    
    (2)Effective series inductance(ESL)    
    (3)Capacitance value    
    (4)Dielectric material    
    9。 The switching regulator is capable of:    
    (1)Higher power conversion efficiency    
    (2)Providing an output voltage that is higher than the input    
    (3)Generating an output boltage oppsite in polarity to the input    
    (4)All of the above    
    10。 A linear regulator op Vin(max) = 10v; Vout(min) = 4。8v; Iout(max) = 2。5mA; Iq(max) = 2。5mA; Ta(max) = 8。5摄氏度,The regulator is available in 3 packages。Each package has the following thermal characteristics:    
    Package              Rja(摄氏度/W)  Rjc(摄氏度/W)    
    SO14                                      125                                         30    
    D1P8                                      100                                         52    
    Choose the most suitable package to handle the power dissipation requirement without a heat sink and why。    
    软件笔试题    
    1。 How do you code an infinite loop in C?    
    2。 Volatile:    
    (1)What does the keyword volatile mean? Give an example    
    (2)Can a parameter be both const and volatile? Give an example    
    (3)Can a pointer be volatile? Give an example    
    3。 What are the values of a; b; and c after the following instructions:    
    int a=5; b=7; c;    
    c = a+++b;    
    4。 What do the following declarations mean?    
    (1)const int a;    
    (2)int const a;    
    (3)const int *a;    
    (4)int * const a;    
    (5)int const * a const;    
    5。 Which of the following statements describe the use of the keyword static?    
    (1)Within the body of a function: A static variable maintains its value between function revocations    
    (2)Within a module: A static variable is accessible by all functions within that module    
    (3)Within a module: A static function can only be called by other functions within that module    
    6。 Embedded systems always require the user to manipulate bits in registers or variables。 Given an integer variable a; write two code fragments。    
    The first should set bit 5 of a。 The second shnuld clear bit 5 of a。 In both cases; the remaining bits should be unmodified。    
    7。 What does the following function return?    
    char foo(void)    
    {    
               unsigned int a = 6;    
               iht b = …20;    
               char c;    
               (a+b 》 6) ? (c=1): (c=0);    
               return c;    
    }    
    


第1章 名企笔试真题精选19。Delphi笔试题目(2)

    8。 What will be the output of the following C code?    
    main()    
    {    
          int k; num= 30;    
          k =(num 》 5 ? (num           printf(“%d”; k);    
    }    
    9。 What will the following C code do?    
    int *ptr;    
    ptr =(int *)Ox67a9;    
    *ptr = Oxaa55;    
    10。 What will be the output of the follow C code?    
    #define product(x) (x*x)    
    main()    
    {    
        int i = 3; j; k;    
        j = product(i++);    
        k = product(++i);    
        printf(“%d %d”;j;k);    
    }    
    11。 Simplify the following Boolean expression    
    !((i 12) || (j 》 15))    
    12。 How many flip…flop circuits are needed to divide by 16?    
    13。 Provides 3 properties that make an OS; a RTOS?    
    14。 What is pre…emption?    
    15。 Assume the BC register value is 8538H; and the DE register value is 62A5H。Find the value of register BC after the following assembly operations:    
    MOV A;C    
    SUB E    
    MOV C;A    
    MOV A;B    
    SBB D    
    MOV B;A    
    16。 In the Assembly code shown below    
    LOOP: MVI C;78H    
          DCR C    
          JNZ LOOP    
          HLT    
    How many times is the DCR C Operation executed?    
    17。 Describe the most efficient way (in term of execution time and code size) to divide a number by 4 in assembly language    
    18。 what value is stored in m in the following assembly language code fragment if n=7?    
            LDAA #n    
    LABEL1: CMPA #5    
            BHI  L3    
            BEQ  L2    
            DECA    
            BRA  L1    
    LABEL2: CLRA    
    LABEL3: STAA #m    
    19。 What is the state of a process if a resource is not available?    
    #define a 365*24*60*60    
    20。 Using the #define statement; how would you declare a manifest constant that returns the number of seconds in a year? Disregard leap years in your answer。    
    21。 Interrupts are an important part of embedded systems。 Consequently; many piler vendors offer an extension to standard C to support interrupts。 Typically; the keyword is __interrupt。 The following routine (ISR)。 Point out problems in the code。    
    __interrupt double pute_area (double radius)    
    {    
              double area = PI * radius * radius;    
              printf(“nArea = %f”; area);    
              return area;    
    }    
    


第1章 名企笔试真题精选20。 中软总公司旗下企业

    1.关于工作    
    (1) 你对未来的工作生活是怎样憧憬的?为何选择我公司作为求职公司?    
    (2)请用不超过30个字给出一个最能让我们录用你的理由。    
    (3)你认为比较理想的工作环境是怎样的?    
    (4)你个人的中长期的职业发展目标是怎样的?    
    2.关于社会    
    (1)如果你是杨利伟,你在太空中向祖国人民说的第一句话是什么?    
    (2)宋美龄女士于2003年10月谢世,对这位著名人士在西安事变中的态度和作用,你是如何看待的?(不超过300字)    
    (3)北京政府颁布的对拾金不昧者,失主要奖励相当于财产20%奖金的公告,你是如何看的?    
    (4)如果给你50万元人民币,你将会用这些钱做什么?    
    (5)在美国,男、女卫生间(厕所)的正确称呼为什么?请用英语写出答案。    
    (6)你认为麦当劳是世界最大的汉堡生产商吗?如果不是,请说出你的观点。    
    3.教育背景    
    (1)你受过哪些正规的教育或培训?(自高中毕业起)    
    (2)在校期间进行过哪些社会活动?    
    


第1章 名企笔试真题精选21。 Hongkong Bank笔试题

    1。 Please state why you chose to follow these activities and how they have contributed to your personal development。 You may wish to give details of your role whether anyone else was involved and any difficulties you encountered。    
    2。 Please state how you have benefited from your work experience。    
    3。 How much is your present monthly salary including allowances。    
    4。 Do you need to pensate your present employer if you resign? If so; please give details。    
    5。 Other than academic success; what has been your greatest achievement to date? What do you see as your personal strength; why?    
    6。 Please state why the position you have applied for is appropriate for you; Why you have selected HongKong Bank and what your career objectives are。    
    


第1章 名企笔试真题精选22。A。T。 Keaney笔试题

    1。 Describe your greatest achievement in the past 4…5 years?    
    2。 What are your short…term and long…term career objectives? What do you think is the most ideal job for you?    
    3。 Why do you want to join A。T kearney? What do you think you can contribute to A。T kearney?    
    4。 Why are you applying for a position at Arthur Anderson?    
    5。 What are your expectations of our firm。    
    6。 Describe your hobbies and interests。    
    


第1章 名企笔试真题精选23。Shell pany笔试题

    1。 How wold your colleagues/classmates describe you in five words? On what evidence would they base this assessment。    
    2。 If you are asked to recruit the best graduates for shell; what would you do to attract them? What would you do to select them?    
    3。 Please describe a new activity that you have initiated and implemented。Please highlight your role out。    
    4。 Please describe your outstanding non…academic achieve… ments。    
    5。 Please describe any other sig

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