Software Engineering Mock Test 15

A default constructor is:

1 Mark(s)

Your Answer:

parameter less parameter less
easy to use easy to use
convenient convenient
inconvenient inconvenient

JDBC does not specifies the:

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Your Answer:

Port number Port number
Application program interface Application program interface
Communication protocol Communication protocol
Communication medium Communication medium

The tye of material used for wrapping bales is:

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Your Answer:

jute jute
metal support metal support
cotton cotton
all of above all of above

Which of the following option leads to the portability and security of Java?

1 Mark(s)

Your Answer:

Bytecode is executed by JVM Bytecode is executed by JVM
The applet makes the Java code secure and portable
Use of exception handling Use of exception handling
Dynamic binding between objects Dynamic binding between objects

Favicon stands for

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Your Answer:

Fav icon Fav icon
Favorite icon Favorite icon
Both a and b Both a and b
None of the above None of the above

In C preprocessing, what is the purpose of the #undef directive?

1 Mark(s)

Your Answer:

To undefine a macro To undefine a macro
To include a header file To include a header file
To define a macro To define a macro
To declare a variable To declare a variable

Material can be gas even if molecules are composed of two or three atoms only when the force between the individual molecule is:

1 Mark(s)

Your Answer:

strong strong
weak weak
negligible negligible
variable variable

What is the purpose of the GroupBy operator in LINQ?

1 Mark(s)

Your Answer:

Groups the elements of a sequence based on a key
Orders the elements of a sequence based on a key
Filters a sequence based on a predicate Filters a sequence based on a predicate
Projects each element of a sequence Projects each element of a sequence

What will strcmp() function do?

1 Mark(s)

Your Answer:

compares the first n characters of the object
compares the string compares the string
undefined function undefined function
copies the string copies the string

What will be the output of the following C# code snippet? static void Main(string[] args) { int[] nums = { 5, 4, 6, 3, 14, 9, 8, 17, 1, 24, -1, 0 }; Array.Sort(nums); int idx = Array.BinarySearch(nums, 14); if (idx == 9) { Console.WriteLine(Convert.ToBoolean(1)); } else { Console.WriteLine(Convert.ToBoolean(0)); } Console.WriteLine("Index of 14 is " + idx); Console.ReadLine(); }

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Your Answer:

TRUE 0 TRUE 0
Run time error Run time error
TRUE 9 TRUE 9
None of the mentioned None of the mentioned

When entering text within a document, the Enter key is normally pressed at the end of every____________?

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Your Answer:

Line Line
Sentence Sentence
Paragraph Paragraph
Word Word
None of these None of these

What is the output of relational operators?

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Your Answer:

Integer Integer
Boolean Boolean
Characters Characters
Double Double

Chlorophyll is mainly located in which of the following part of the plant?

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Your Answer:

Stem Stem
Root Root
Green leaf Green leaf
bark bark

How does the bridge compensate for the incurred difference in the frame?

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Your Answer:

buffer buffer
register register
gateways gateways
damage damage

. . . . . . . . can change the maximum number of cells of a column family.

1 Mark(s)

Your Answer:

set set
reset reset
alter alter
select select

Dijkstra's Algorithm is used for:

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Your Answer:

Shortest Path Shortest Path
Sorting Sorting
Searching Searching
MST MST

AN SQL view is said to be updatable, if clause contains only attribute names of the relation i.e.:

1 Mark(s)

Your Answer:

Define clause Define clause
Select clause Select clause
Where clause Where clause
Having clause Having clause

What will be the output of the following C# code? static void Main(string[] args) { float i = 1.0f, j = 0.05f; while (i < 2.0f && j <= 2.0f) { Console.WriteLine(i++ - ++j); } Console.ReadLine(); }

1 Mark(s)

Your Answer:

0.05f 0.05f
1.50f 1.50f
-0.04999995f -0.04999995f
1f 1f

Which of the following is a technique for hiding the internal implementation details of an object?

1 Mark(s)

Your Answer:

Encapsulation Encapsulation
Polymorphism Polymorphism
Inheritance Inheritance
All of the above All of the above

A hybrid computer is the one which exhibits the features of:?

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Your Answer:

analog computer analog computer
digital computer digital computer
both analog and digital computer both analog and digital computer
mainframe computer Answer mainframe computer Answer

A lesser known computer is:

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Your Answer:

super computer super computer
digital computer digital computer
analog computer analog computer
micro computer micro computer

JUnits are used for which type of testing?

1 Mark(s)

Your Answer:

Unit Testing Unit Testing
Integration Testing Integration Testing
System Testing System Testing
Blackbox Testing Blackbox Testing

Through which tab can an object be animated in MS PowerPoint?

1 Mark(s)

Your Answer:

Animations Animations
Insert Insert
Design Design
None of these None of these

Char cannot be converted to 1.ushort 2. int 3. uint 4. long 5. ulong 6.float 7.double 8. decimal:

1 Mark(s)

Your Answer:

1,2,4 1,2,4
1,2,7,8 1,2,7,8
4,5,3,6 4,5,3,6
1,2,3,4,5,6,7,8 1,2,3,4,5,6,7,8

What will be the output? public interface InfA{ protected String getName(); } public class Test implements InfA{ public String getName(){ return "test-name"; } public static void main (String[] args){ Test t = new Test(); System.out.println(t.getName()); } }

1 Mark(s)

Your Answer:

test-name test-name
Compilation fails due to an error on lines 2
Compilation fails due to an error on lines 1
Compilation succeed but Runtime Exception
None of these None of these

Which of the following position is based on the user's scroll position?

1 Mark(s)

Your Answer:

fixed fixed
sticky sticky
relative relative
static static

Register used as a working area in CPU is:

1 Mark(s)

Your Answer:

program counter program counter
instruction register instruction register
instruction decoder instruction decoder
accumulator accumulator

What is the purpose of the Java Collections Framework?

1 Mark(s)

Your Answer:

To provide a unified architecture for representing and manipulating collections
To provide a way to create arrays To provide a way to create arrays
To define primitive data types To define primitive data types
To handle exceptions To handle exceptions

The alternative to phrase "greater than at least one", the > some comparison is used in the:

1 Mark(s)

Your Answer:

Select clause Select clause
From clause From clause
Where clause Where clause
Group by clause Group by clause

Subnet mask 255.255.255.0 corresponds to CIDR:

1 Mark(s)

Your Answer:

/8 /8
/16 /16
/24 /24
/32 /32

Which of the following is not an application of sorted array?

1 Mark(s)

Your Answer:

Commercial computing Commercial computing
Priority Scheduling Priority Scheduling
Discrete Mathematics Discrete Mathematics
Hash Tables Hash Tables

The updated MySQL extension released with PHP 5 is typically referred to as.

1 Mark(s)

Your Answer:

MySQL MySQL
mysql mysql
mysqli mysqli
mysqly mysqly

Which of these methods returns the string such that some characters which are specified to be removed from the end of strings are removed from string by mentioning the number of characters to be removed?

1 Mark(s)

Your Answer:

Trim() Trim()
Remove() Remove()
TrimEnd() TrimEnd()
Split() Split()

The layer in which the TCP (or UDP) communication takes place is

1 Mark(s)

Your Answer:

Network Access Layer Network Access Layer
Internet Layer Internet Layer
Transport Layer Transport Layer
Presentation Layer Presentation Layer

Von Neumann architecture uses:

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Your Answer:

Unified memory Unified memory
Separate memory Separate memory
No memory No memory
Virtual memory Virtual memory

The time complexity to calculate the number of edges in a graph whose information in stored in form of an adjacency matrix is . . . . . . . .

1 Mark(s)

Your Answer:

O(V) O(V)
O(E2) O(E2)
O(E) O(E)
O(V2) O(V2)

Which property of a control determines whether it is included in the tab order of its container in a Windows Forms Application?

1 Mark(s)

Your Answer:

AllowTab AllowTab
TabOrder TabOrder
TabIndex TabIndex
TabStop TabStop

State true or false. Nexus is first graphical web browser.

1 Mark(s)

Your Answer:

True True
False False

In creating a procedure, you may get a message if you have compile errors. Which of the following is true?

1 Mark(s)

Your Answer:

The line numbers reported match the line numbers you see in your text editor.
SQL*Plus will automatically show the errors to you.
To see the errors, enter SHOW ERRORS in SQL*Plus.
If there are no syntax errors, you will receive the message "NO ERRORS."

What is the output of the following code: my_list = [1, 2, 3] my_list.append(4) print(my_list)

1 Mark(s)

Your Answer:

[1, 2, 3] [1, 2, 3]
[4, 1, 2, 3] [4, 1, 2, 3]
[1, 2, 3, 4] [1, 2, 3, 4]
None of the above None of the above

The output of the functions len("abc") and sys.getsizeof("abc") will be the same.

1 Mark(s)

Your Answer:

True True
False False

Linker in cylinder in card rotates at a speed of:

1 Mark(s)

Your Answer:

400 to 1,300 turns per min 400 to 1,300 turns per min
1,400 to 1,600 turns per min 1,400 to 1,600 turns per min
1,400 to 1,800 turns per min 1,400 to 1,800 turns per min
1,800 to 2,000 turns per min 1,800 to 2,000 turns per min

What will be the output of the following Java code? class A { public int i; public int j; A() { i = 1; j = 2; } } class B extends A { int a; B() { super(); } } class super_use { public static void main(String args[]) { B obj = new B(); System.out.println(obj.i + " " + obj.j) } }

1 Mark(s)

Your Answer:

1 2 1 2
2 1 2 1
Runtime Error Runtime Error
Compilation Error Compilation Error

The DECIMAL used for expressions containing only exact values with fractional part is of digit precision . . . . . . . .

1 Mark(s)

Your Answer:

32 32
64 64
65 65
16 16

In Internet Protocol Version (IPv4) addresses, classless addressing is used to:

1 Mark(s)

Your Answer:

overcome address depreciation overcome address depreciation
overcome address deployment overcome address deployment
overcome address depletion overcome address depletion
overcome address storage overcome address storage

In EXCEL, you can sum a large range of data by simply selecting a tool button called ________.

1 Mark(s)

Your Answer:

AutoFill AutoFill
Auto correct Auto correct
Auto sum Auto sum
Auto format Auto format

What is the result of the following code in Java? Double x = 3.5; Double y = 3.5; System.out.println(x.equals(y));

1 Mark(s)

Your Answer:

Compilation error Compilation error
`true` `true`
Runtime error Runtime error
None of These None of These

Collection of documents stored on a computer which is permanently connected with internet around the world is called:

1 Mark(s)

Your Answer:

telnet telnet
WWW WWW
LAN LAN
FTP FTP

Which of these methods can be used to obtain set of all keys in a map?

1 Mark(s)

Your Answer:

getAll() getAll()
getKeys() getKeys()
keyall() keyall()
keySet() keySet()

What is the output of the following code: my_dict = {'a': 1, 'b': 2, 'c': 3} print(my_dict.get('d', 0))

1 Mark(s)

Your Answer:

0 0
'd' 'd'
3 3
'a' 'a'

Which one of the following a technology works behind the cloud computing platform?

1 Mark(s)

Your Answer:

Virtualization Virtualization
SOA SOA
Grid Computing Grid Computing
All of the above All of the above

Evaluating Your Answers

Software Engineering Mock Test 15 : Question 1 of 51