爱恩科技笔试题.doc

IM Technologies Interviewee Test Question北京爱恩科技发展有限公司笔试考题Name :_Date :_Time Start :_Time End:_VISUAL BASIC SECTIONQ1 : Grade yourself on your Visual Basic Skill ?1 poor . 10- Advance playerAns: Q2 : Declare Function Multiply_Add Lib “test” (ByRef A as integer ,VeRef B as integer , ByVal c as integer ) as integerQ2.1: Explain what is Declare Function used for ?Ans :Q2.2 : Explain the difference between ByRef and ByVal ?Ans :Q3 : Is Visual Basic a COMPILER or an INTERPERTER ?Ans C+ SECTIONQ4 : int iVal1 = 0, iVal2 = 0; int * ipVal; ipVal = &iVal1; What is the Value of ipVal = *ipVal = ipVal = (int*)iVal1; What is the Value of ipVal = *ipVal = iVal2 = (int)&iVal1; What is the Value of ipVal = *ipVal = Q5:void SwapAB(int A, int B)A=B;B=A; int main()int A,B;A=1;B=2;SwapAB(A,B);return 0;/ A= ?, B= ?What is the value of A and B ?What is the difference between STRUCTURE and OBJECT ORIENTED PROGRAMMING ?What is the difference between C and C+ ?What is an interpreter ?.Q6. Step through the following C code and answer the questionsvoid FillMem(unsigned char *pData, unsigned char len) while (len-) *pData+ = len; void main() unsigned char buffer18; unsigned char buffer28; unsigned char * pData; unsigned char cnt1, cnt2; for (cnt1 = 0; cnt1 8; cnt1+) buffer1cnt1 = 0xFF; for (cnt1 = 0; cnt1 8; cnt1+) buffer2cnt1 = 0xFF; for (cnt1 = 0, cnt2 = 4; cnt1 4; cnt1+, cnt2-) buffer1cnt1 = cnt1; buffer2cnt2 = cnt2; /* Q What is the content of buffer1 & buffer2 ? buffer10 = ? buffer20 = ? buffer11 = ? buffer21 = ? buffer12 = ? buffer22 = ? buffer13 = ? buffer23 = ? */ for (cnt1 = 0; cnt1 8; cnt1+) buffer1cnt1 = 0xFF; FillMem(&buffer10, 4); /* Q. What is the content of buffer1 ? buffer10 = ? buffer11 = ? buffer12 = ? buffer13 = ? */ for (cnt1 = 0; cnt1 8; cnt1+) buffer1cnt1 = 0xFF; pData = &buffer14; pData = pData - 2; for (cnt1 = 0; cnt1 Byte = 5, Bit at position 0 is on. Byte = 4, Bit at position 0 is offEg. 5 = 000001017 6 5 4 3 2 1 000000101 Bit at position 0 is onQ 2. Explain why Java program can be easily run on different platforms/operating syste