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46家公司的笔试题目汇总,
3．说明掩码的主要作用。
4．ss7协议中，有三大要素决定其具体定位，哪三大要素？
5．描述ss7的基本通话过程。
6．简述通信网的组成结构。
7．面向连接与面向非连接各有何利弊？
8．写出爱尔兰的基本计算公式。
9．数据网主要有哪些设备？
10．中国一号协议是如何在被叫号码中插入主叫号码的？
东信笔试题目
笔试：30分钟。
1．压控振荡器的英文缩写。
2．动态随机存储器的英文缩写。
3．选择电阻时要考虑什么？
4．单片机上电后没有运转，首先要检查什么？
5．计算机的基本组成部分及其各自的作用。
6．怎样用D触发器、与或非门组成二分频电路？
中软融鑫笔试题
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20xx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？
Delphi笔试题目
机械类笔试试题
1. Briefly describe what is blanking(cutting), forming, coining and emboss
ing in stamping process.
2. What is metal clading?
3. What is the purpose of adding glass fiber to thermoplastic material?
4. In contrast with metal and thermoplastic material,which has a higher co
efficient of thermal expansion(CTE).
5. The most suitable material for a integral hinge design (typical plastic
thickness=0.25 to 0.5mm at hinge)
6. Can a bending load makes both compressive and tensile stress in a membe
r?
7. What is the design criteria used in plastics catch/snap?
8. What is FEA?
9. Why is natural frequency important in vibration analysis?
10. What is the deflection equation of a cantilever beam fixed at one edge
?
EE笔试试题
1. Name 3 Vehicle Buses.
2. Name 2 possible sources of Electromagnetic interference on Electronics
Circuit ASM.
3. Wavelength for 12MHz frequency signal is____
4. Name 2 important considerations for car radio performan -ce related to
audio signal processing under multipath condition?
5. What is the typical FM receiver RF signal strength to achieve 30dB S/N
for car radio?
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 Coefficie
nt 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 pac
kages.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 requireme
nt 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 stati
c?
（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 wit
hin that module
（3）Within a module: A static function can only be called by other functi
ons within that module
6. Embedded systems always require the user to manipulate bits in register
s 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 bo
th 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;
}
8. What will be the output of the following C code?
main()
{
int k, num= 30;
k =(num > 5 ? (num <=10 ? 100:200): 500);
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 62
A5H.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 si
ze) to divide a number by 4 in assembly language
18. what value is stored in m in the following assembly language code frag
ment 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
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