Technical Questions asked in Global-Logic

  1. Analyse the following code snippet and choose the answer:-
    #include Class Temp
    {
    private:
    int m_ival;
    public:
    Temp()
    {
    Cout<<"OBJECT CREATED\n"< }
    ~Temp()
    {
    Cout<<"OBJECT DESTROYED\n"< }
    };
    void fnRead()
    {
    Temp oTempObj;
    }
    int main()
    {
    fnRead();
    cout<<"IN MAIN \n"< return 0;
    }
    1. OBJECT CREATED OBJECT DESTROYED
    2. OBJECT CREATED OBJECT DESTROYED IN MAIN
    3. OBJECT CREATED IN MAIN
    4. Compilation Error
    Answer: Option B.
  2. Suppose in a microprocessor the instruction MVI A, 32H takes 2 machine cycles one is op code fetch which composed of 4 T-states and the other is memory read which takes n T-states. If the total time taken by the processor to execute the instruction is 1400 nano sec with an operating frequency of 5 MHz. What is the value of n?
    1. 3
    2. 4
    3. 6
    4. 5
    Answer:  Option A.
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  1. Which is better computing time (in analysis of algorithm) ?
    1. O(N)
    2. O(2N)
    3. O(log2 N)
    4. O(N log2 N)
    Answer: Option C.
  2. The content of accumulator is 1000 0000 what will be its content after RR A instruction?
    1. 0000 0001
    2. 0000 0000
    3. 0100 0000
    4. 0000 0010
    Answer: Option C.
  3. Observe the following code and chose the correct statement(s)
    class Name
    {
    const char *s ; .
    };
    class Table
    {
    Name *p; size_t sz ; public :
    Table(size_ts = 15) {p = new Name [sz = s]; }
    ~Table() {delete [ ]p ;}
    Name * lookup(const char *);
    bool insert(Name *);
    };
    1. ~Table() is a destructor
    2. p is of Table type
    3. Both A and B
    4. insert() is a method which returns nothing
    Answer: Option A.
  4. 'this' pointer is _____________________ .
    1. Pointer to the current object created in all static and non-static methods
    2. Pointer to the current object created for the current class
    3. Both A and B
    4. Pointer to the current object created in all non-static methods
    Answer: Option D.
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