CS504 - Software Engineering - I Solved Quizzes File No 1

Question # 1

Str  = 0;// str is string Which rewritten from of above line of code is more in line with the self-documentation philosophy than the code above.
Str = false;
Str = NULL;
Str = ‘;
Str = 0.0;

Question # 2

Struct packed_struct  { unsigned int f1:1;} pack; Here in “packed_struct”:
Value of f1 =1
Size of f1 = 1 bit
Value of f1 should not exceede 1 
None of given options

Question # 3

In the switch statement, cases should always end with a ——-statment.
Switch
Go
Break
Stop 

Question # 4

Bit fields are a convenient way to express many difficult operations. However, bit fields suffer from one problem.
Lack of Usability
Lack of Security
Lack of Performance
Lack of Portability 

Question # 5

If(!(block < activeBlock)) is equvivalent to.
If ((block < activeBlock))
If ((block == activeBlock))
If ((block >= activeBlock))
None of the given 

Question # 6

Bit fields allow the packing of data in a structure. Using Bit fields we can.
Read 9 bit integers
Avoid memory leakages
Avoid memory overflow
Avoid syntax errors 

Question # 7

The order in which bytes of one word are stored is _________ dependent.
Hardware
Software
Language
Syntax 

Question # 8

In order to write a portable code which of the following guideline will be helpful:
Stick to the standards
Program in the mainstream
Size of data types
All of give options 

Question # 9

Complex expressions.
Make the code easy to modify
Make the code difficult to modify
Make the code easy to understand
Does not effect understandability 

Question # 10

x = 0; // x is floating pt Which rewritten form of above line of code is more in line with the self-documentation philosophy than the code above.
x = false
x = NULL
x = 0.0;
x = ‘’

Question # 11

using proper paranthesis normally makes the code.
easy to read
easy to understand
less ambiguous
All of the given options 

Question # 12

The use of comments should be minimized by making the code self-documenting by appropriate name choices and an explicit logical structure.
True
False 

Question # 13

Bit fields allow the packing of data in a structure. using Bit fields we can:
Read 9 bit integers
Avoid memory leakages
Avoid memory overflow
Avoid syntax errors 

Question # 14

1) x = (a + 2 > 3)? a : a-1 ; 2) if((a + 2)> 3) x = a; else x = a – 1;
Statement (2) is more complex than (1)
Statement (2) is more complex than (1)
Both statements are very complex
None of the given option

Question # 15

80/20 rule states that:
you spend 80 percent of your time in 20 percent of the code
you spend 20 percent of your time in 80 percent of the code
We should try to optimized 80 percent or at least 20 percent of the code
None of the given options.

Question # 16

Be very careful when you use functions with side effects – functions that change the values of the ________.
Objects
Classes
Structures
Variables

Question # 17

Comma ( , ) is very dangerous because.
Compiler does not recognise this symbol
It creates linkage problem
It causes side effects
All of the given options 
Question # 18
The C/C++ language has not specified whether ____ is arithmetic or logical.
Right shift >>
Right shift
&&
||
Question # 19
In order to make a code more portable, Instead of using vendor specific language extensions, use _______ as much as possible.
STL
ANSI
ISO
CMMI
Question # 20

When a small set of functions (which use each other) is so overwhelmingly the bottleneck, there are two alternatives: 
use a better algorithm OR re-write the code
debug the code OR place assertions in code
remove the functions OR add more functions
changed programming language OR compiler at least
Question # 21
_______ cause major portability issues 
Loops (Not Sure)
Bugs in code
Sizes of data types
Conditional Structures

Question # 22

Some bit field members are stored: I) left to right II) right to left III) in circular array.
only (I) is true
Only (II) is true
Both (I) and (II) are true
All of the options (I, II and III) are true

Question # 23

Comma ( , ) is very dangerous because
Compiler does not recognise this symbol
It creates linkage problem
It causes side effects
All of the given options

Question # 24

using proper paranthesis normally makes the code
easy to read
easy to understand
less ambiguous
All of the given options

Question # 25

A test case involves
Input/output specification plus a statement of the function under test
Steps to perform the function
Expected results that the software application produces
All of the given options

Question # 26
If an application fulfills its specifications but deviates from users expectations or their desired behavior. This means, software is verified but not ————
Validated
Corrected
Checked
Traced
Question # 27

The raising of the imaginary error flag is simply called raising or ________ an error.
Catching
Casting
Throwing 
None of given options
Question # 28
struct packed_struct { unsigned int f1:1; } pack; Here in “packed_struct”:
value of f1 = 1
size of f1 = 1 bit
value of f1 should not exceede 1
None of given options
Question # 29
The idea behind exception handling is to raise some error flag every time ________.
The code compiles
The code links
Memory is allocated
Something goes wrong
Question # 30
A __________ is a variance from a desired product attribute.
Exception
Error
Mistake
Defect 
Question # 31
The C/C++ language does not define the alignment of items within.
structures
classes
unions
All of the given options 
Question # 32
Consider the following statement: int a,b=10; Which of the following is correct:
variable “a” is initialized to 10
Variable “b” is initialized to 10 
Both variables “a” and “b” are initialized to 10
variables can not be initialized this way
Question # 33
Exception handling is a powerful technique that separates error-handling code from ______ code.
Normal
Faulty
Buggy
Complex
Question # 34
Bit fields are a convenient way to express many difficult operations. However, bit fields suffer from one problem.
Lack of usability
Lack of security
Lack of performance
Lack of portability
Question # 35
The complexity of a program may ______ if there are exceptional paths in it
Decrease
Increase
Remain same
All of given options
Question # 36
When an error is thrown the overall system (on the lookout for this error flag) responds by ______ the error.
Ignoring
Casting
Catching
All of the given options

Question # 37

Comments are not syntax checked
TRUE
FALSE

Question # 38
Client Server model tries to data and processing
Distribute
Merge
Clone
Proceed

Question # 39

Anti- Patterns is another concept that corresponds to common in analysis and design.
Mistake
Issues
Problems
All of the given

Question # 40

 Three tier architecture contains layers

Presentation
Application
Database
All of the above

Question # 41

MVC stands for

Model View Controller
Modern View Center
Model View Center
Modern View Controller

Question # 42

Fat client model is one of the configurations of model

Data-Centered

Layered

Reference

Client Server

Question # 43

Description of communicating objects and classes that are customized to solved a general problem in a particular context is called

Design Pattern

System Patter

System Design

None of the Given

Question # 44

In the N-tire Architecture, the idea is to enhance scalability and by distributing both data and the application using multiple server machines.

Usability

Performance

Interpretability

None of the given

Question # 45

Dynamic process model shows the process ………….. of the system 

Components

Objects

Structure

Linkage

Question # 46

It ensures that a class only has one instance and provides a global point of access to it.

Singleton Pattern

Observer Pattern

Real Pattern

None of the given

Question # 47

STL Stnads for —————— 

Standard Template Library

Standard Type Link

Standard Tempo Line

None of the given

Question # 48

Three tier architecture contains ————- layers 

Select correct option:

Presentation

Application

Database

All of the above

Question # 49

Which of following is/are among ten things,which the basic template of GOF design pattern includes. 

Select correct option:

Problem

Context

Forces

 All of the given

Question # 50

Vertical partitioning is also known as….. 

Select correct option:

Balancing

Mutating

Parallelizing

 Factoring

Question # 51

Patterns are devices that allow programs to share knowledge about their ————-. 

Code

Design

Analysis

None of the given

Question # 52

N-tier architecture stems from the struggle to find a ———– between the fat-client architecture and the thin-client architecture. 

Concurrency

Distribution point

 Middle ground 

Similarity

Question # 53

Vertical partitioning divides the architecture application from a …… making perspective. 

Decision

Design

Conclusion

Move

Question # 54

Distributing the responsibilities to different subsystems so that we get a software system which is easy to maintain, is called ………the architecture. :

Subtracting

 Partitioning

Cloning

Balancing

 Question # 55

The nominal case should be put in the if-part and the exception in the else-part of an if statement.

TURE

FALSE

Question # 56

Charles Simonyi first discussed Hungarian Notation. He was of —— .

Microsoft

IBM

Dell

Cisco

Question # 58

The terms get/set must be used where an attribute is accessed

Indirectly

Directly

Question # 59

A self documented program/code contains the following attribute:

Size of each function

Choice of variable

Choice of variable

All of the given choices

Question # 60

“is” prefix should be used for—— variables and methods.

General

Boolean

Constant

None of the given

Question # 62

The use of comments should be minimized by making the code self-documenting by appropriate name choices and an

explicit logical structure.

TRUE

FALSE

Question # 63

Variables should be initialized where they are ——and they should be declared in the ——scope possible.

defined and smallest

declared and medium

defined and medium

declared and smallest

Question # 64

Unrelated variables should be declared in the same statement.

True

False

Question # 65

which of the following statements are same in output: 1) a = a >> 2 2) a = a / 4 3) a = a * 2

(1) and (3) only

(2) and (3) only

(1) and (2) only

All procduce the same result

Question # 66

Goto statements violate the idea of

object oriented code

structured code

control structure

repetition structure

Question # 67

MVC pattern was based on the ————— pattern.

Observer

Structural

Behavioral

None of given

Question # 68

Which one is correct?

double total = 0.5;

double total = .5;

double total = .50;

all of the given

Question # 69

Code should not be:

commented

indented

cryptic

aligned

Question # 70

Global variables in C++ should always be referred to by using the

:: operator

: operator

Without an operator

None of the given

Question # 71

_________ was the first pure Object Oriented language in which observer pattern was used in implementing its Model

View Controller pattern

Smalltalk

PASCAL

JAVA

C++

Question # 72

using proper paranthesis normally makes the code

easy to read

easy to understand

less ambigous

All of the given options

Question # 73

Which of the following shows a commented statement in C++

# Ans = first + second

// Ans = first + second

\\ Ans = first + second

/# Ans = first + second

Question # 74

The form for (;;) should be used for

nested loop

empty loop

more than 1000 iterations

Question # 76

Identifier names also play a significant role in enhancing the ——– of a program.

Writ ability

Readability

Reliability

Question # 77

It ensures that a class only has one instance and provides a global point of access to it.

Singleton Pattern

Observer Pattern

Real Pattern

None of the given

Question # 78

Names representing methods and functions should be—-and written in mixed case starting

with —–case.

Noun—lower

Verb—-lower

Noun —upper

Noun—-upper

Question # 79

—–provides a unified interface to a set of interfaces in a sub-system.

Observer Pattern

Singleton Pattern

Façade Pattern

All of the above

Question # 80

MVC stands for —————

Model View Controller

Modern ViewCenter

Model ViewCenter

Modern View Controller

Question # 81

A self documenting code is a code that explains itself without the need of comments and

extraneous documentation, like _______

Flowcharts

UML diagrams

Process-flow state diagrams

All of the given choices

Question # 82

Complex expressions:

Make the code easy to modify

Make the code difficult to modify

Make the code easy to understand

Does not effect understandablity

Question # 83

Comments should NOT be indented relative to their position in the code

TRUE

FALSE

Question # 84

—-Provides a unified interface to a set of interfaces in a sub-system

Observer Pattern

Singleton Pattern

Façade Pattern

All of the above

Question # 85

Vertical Partitioning is also know as

Balancing

Mutatin

Parallizing

Factoring

Question # 86

Façade Pattern provides a unified interface to a set of interfaces ina sub-system.

True

False

Question # 87

Which of the is/are among ten things which the basis template of GOF design pattern includes.

Problem

Context

Forces

All of the above

Question # 88

Thin Client Model places a heavy processing load on……

Only Server

Only Network

Both Server and Network

Neither server nor network

Question # 89

Zero install architecture does not need any installation on ____________.

Server side

Client side

Client & Server Side

None of the above

Question # 90

Data-Centered Architectural Style is also called …. 

Repository model

Client Server model

Sub system model

Reference model