ISRO CS 2008

Question 71

Consider the graph shown in the figure below: Which of the following is a valid strong component?

• a, c, d
• a, b, d
• b, c, d
• a, b, c

Question 72

Repeated execution of simple computation may cause compounding of

• round-off errors
• syntax errors
• run-time errors
• logic errors

Question 73

More than one word are put in one cache block to

• exploit the temporal locality of reference in a program
• exploit the spatial locality of reference in a program
• reduce the miss penalty
• none of these

Question 74

If the two matrices have the same determinant, then the value of x is

• 1/2
• √2
• ± 1/2
• ± 1/√2

Question 75

Stack A has the entries a, b, c (with a on top). Stack B is empty. An entry popped out of stack A can be printed immediately or pushed to stack B. An entry popped out of the stack B can be only be printed. In this arrangement, which of the following permutations of a, b, c are not possible?

• b a c
• b c a
• c a b
• a b c

Question 76

Which of the following correctly declares an array?

• int geeks[20];

• int geeks;

• geeks{20};

• array geeks[20];

Question 77

In C, what is the effect of a negative number in a field width specifier?

• the values are displayed right justified
• the values are displayed centered
• the values are displayed left justified
• the values are displayed as negative numbers

Question 78

We can make a class abstract by

• Declaring it abstract using the virtual keyword
• Making at least one member function as virtual function
• Making at least one member function as pure virtual function
• Making all member function const

Question 79

In which of the following four necessary conditions for deadlock processes claim exclusive control of the resources they require?

• no preemption
• mutual exclusion
• circular wait
• hold and wait

Question 80

The network 198.78.41.0 is a

• Class A network
• Class B network
• Class C network
• Class D network