ISRO CS 2011

Question 41

In Java, after executing the following code what are the values of x, y and z? 
int x,y=10, z=12; 
x=y++ + z++;

• x=22, y=10, z=12

• x=24, y=10, z=12

• x=24, y=11, z=13

• x=22, y=11, z=13

Question 42

The broadcast address for IP network 172.16.0.0 with subnet mask 255.255.0.0 is

• 172.16.0.255

• 172.16.255.255

• 255.255.255.255

• 172.255.255.255

Question 43

The output expression of the following gate network is

• X. Y + X\' Y\'
• X. Y + X. Y
• X. Y
• X + Y

Question 44

The hamming distance between the octets of 0xAA and 0x55 is

• 7
• 5
• 8
• 6

Question 45

Consider a 32-bit machine where four-level paging scheme is used. If the hit ratio to TLB is 98%, and it takes 20 nanosecond to search the TLB and 100 nanoseconds to access the main memory what is effective memory access time in nanoseconds?

• 126
• 128
• 122
• 120

Question 46

Warnier Diagram enables the analyst to represent

• Class structure
• Information Hierarchy
• Data Flow
• State Transition

Question 47

Given X: 0 10 16 Y: 6 16 28 The interpolated value X=4 using piecewise linear interpolation is

• 11
• 4
• 22
• 10

Question 48

Number of chips (128 x 8 RAM) needed to provide a memory capacity of 2048 bytes

• 2
• 4
• 8
• 16

Question 49

There are three processes in the ready queue. When the currently running process requests for I/O how many process switches take place?

• 1
• 2
• 3
• 4

Question 50

Let T(n) be defined by T(1) = 10 and T(n + 1) = 2n + T(n) and for all integers n ≥ 1 . Which of the following represents the order of growth of T(n) as a function of

• O(n)

• O(n log n)

• O(n²)

• O(n³)