July 2016 - Paper 3

46:   Software safety is quality assurance activity that focuses on hazards that
A.

affect the reliability of a software component.

B.

may cause an entire system to fail.

C.

may result from user input errors.

D.

prevent profitable marketing of the final product.

 
 

Option: B

Explanation :

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47:  

Which of the following sets represent five stages defined by Capability Maturity Model (CMM) in increasing order of maturity ?

A.

Initial, Defined, Repeatable, Managed, Optimized.

B.

Initial, Repeatable, Defined, Managed, Optimized.

C.

Initial, Defined, Managed, Repeatable, Optimized.

D.

Initial, Repeatable, Managed, Defined, Optimized.

 
 

Option: B

Explanation :

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48:  
The number of function points of a proposed system is calculated as 500. Suppose that the system is planned to be developed in Java and the LOC/FP ratio of Java is 50. Estimate the effort (E) required to complete the project using the effort formula of basic COCOMO given below :
 
E = a(KLOC)b
 
Assume that the values of a and b are 2.5 and 1.0 respectively.
A.

25 person months

B.

75 person months

C.

62.5 person months

D.

72.5 person months

 
 

Option: C

Explanation :

E=a (KLOC)b
 
a=2.5 ,  b=1.0
 
 
LOC/FP=50
=>loc=25000 i.e 25 KLOC 
 
E=2.5(25)1= 62.5

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49:  

In UNIX, processes that have finished execution but have not yet had their status collected are known as _________.

A.

Sleeping processes

B.

Stopped processes

C.

Zombie processes

D.

Orphan processes

 
 

Option: C

Explanation :

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50:  

In Unix operating system, when a process creates a new process using the fork () system call, which of the following state is shared between the parent process and child process ?

A.

Heap

B.

Stack

C.

Shared memory segments

D.

Both Heap and Stack

 
 

Option: C

Explanation :

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