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Old Example 2 - General - Other - 1 January 2004 by Hughes

Details of Old Example 2 - General - Other - 1 January 2004 by Hughes conducted by Hughes for job interview.
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Technical 

CSMA/Cd protocol used in      Ans : Ethernet

Checksum in IP packet is         Ans : Sum of the bits and 9,s complement of sum

 Inselective repeat Max Seq is given find windowsize  Ans : (15+1)/2 = 8

 Main memory cache direct mapping  Ans : 64

Address lines and data lines for 4K x 16 Ans : Addr 12, Data 16

Infix to postsize commession uses Ans : operator stack

Printing ofstatic variable Ans : 11

Ans : 1,2,3,4 ( Program is given
     array[0] = 1;
     array[1] = 2;
     array[2] = 3
     array[3] = 4
     ptr = array[0]
    *(arr+3) = *(++array ) + *(array-1)++))
 There may me some mystique in writing the program. Check it out.
  Answer is correct

 One Question on Scheduling Preemptive

Which of the following is not memory model (1) buddy system (2) monitor (3) virtual ... etc.

Hight balancing AVC time Ans : 3

Virtual to physical address mapping page table given

 regular expression of identifier L(LUD)*

Simplification in boolean Algebra Ans : xz

 Logical gate is given we have to find what is that Ans : NOR

Solution for Diriving philofphing Ans : d

The feature C++ have and c donot have Ans : Variables can be declared inside also.

Number of nodes with degree two in a binary tree of n leaves Ans : n-1

Solution for Diriving philofphing Ans : d

The question on RS232 (Use of sfart bit in Rs 232 protocal)

 Floating point representation Ans : 2,s complement