Algorithms Mock Test 7 - Online MCQ Exam

The physical database design identifies data integrity and security requirements.

1 Mark(s)

Your Answer:

True True
False False

To establish a range of values, can be used.

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Your Answer:

True True
False False

Pick the correct statement.

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Your Answer:

Macros and inline functions are same thing
Macros looks like function calls but they are actually not
Inline functions looks like function but they are not
Inline function are always large Inline function are always large

Which of the following WHERE clauses are faster? 1. WHERE col * 3 < 9 2. WHERE col < 9 / 3

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Your Answer:

1 1
2 2
same speed same speed
dependent on operating system dependent on operating system

Which of the following is a primitive data type in Avro?

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Your Answer:

null null
boolean boolean
float float
all of the mentioned all of the mentioned

The given array is arr={7, 4, 5, 8, 1, 2}. The number of iterations required to sort the array using comb sort and bubble sort respectively will be . . . . . . . .

1 Mark(s)

Your Answer:

7 and 8 7 and 8
5 and 6 5 and 6
5 and 5 5 and 5
4 and 5 4 and 5

What are the number of columns in MS Excel 2007?

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Your Answer:

16,284 16,284
16,384 16,384
16,584 16,584
None of these None of these

Check the following C# code whether the given relation operator works according to the if condition or not. static void Main(string[] args) { int a = 10; int b = 5; int c = 12; int e = 8; int d; d = Convert.ToInt32((a * (c - b) / e + (b + c)) <= (e * (c + a) / (b + c) + a)); Console.WriteLine(d); if (d == 1) { Console.WriteLine("C# is great language!"); Console.WriteLine((a * (c - b) / e + (b + c))); } else { Console.WriteLine("harsh is not great language!"); Console.WriteLine((e * (c + a) / (b + c) + a)); } }

1 Mark(s)

Your Answer:

0 C# is great! 20 0 C# is great! 20
0 C# is not great! 25 0 C# is not great! 25
0 C# is great! 25 0 C# is great! 25
0 C# is not great! 20 0 C# is not great! 20

To insert a hyperlink which shortkey is used?

1 Mark(s)

Your Answer:

Ctrl+S Ctrl+S
Ctrl+M Ctrl+M
Ctrl+K Ctrl+K
None of the above None of the above

Most applications of robotic are used in area of:

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Your Answer:

cooking cooking
manufacturing manufacturing
teaching teaching
farming farming

In women, the epithelial tissues with cilia are also present in:

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Your Answer:

intestine intestine
fallopian tube fallopian tube
adrenal system adrenal system
stomach stomach

What is the primary operation of a stack?

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Your Answer:

Enqueue Enqueue
Dequeue Dequeue
Push Push
Traverse Traverse

Newton's law which states that net force on a body is equal to the product of the body's mass and its acceleration is:

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Your Answer:

1st Law 1st Law
2nd Law 2nd Law
3rd Law 3rd Law
4th Law 4th Law

What will be the output of the following Python code? fo = open("foo.txt", "rw+") print "Name of the file: ", fo.name # Assuming file has following 5 lines # This is 1st line # This is 2nd line # This is 3rd line # This is 4th line # This is 5th line for index in range(5): line = fo.next() print "Line No %d - %s" % (index, line) # Close opened file fo.close()

1 Mark(s)

Your Answer:

Compilation Error Compilation Error
Syntax Error Syntax Error
Displays Output Displays Output
None of the mentioned None of the mentioned

Schedule event in MS Outlook by _______?

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Your Answer:

Calendar Calendar
Inbox Inbox
Contacts Contacts
None of these None of these

Which of the following computation is correct to calculate the time taken for page load once the page is received from the server?

1 Mark(s)

Your Answer:

responseEnd-loadEventEnd responseEnd-loadEventEnd
loadEventEnd-responseEnd loadEventEnd-responseEnd
loadEventEnd/responseEnd loadEventEnd/responseEnd
responseEnd/loadEventEnd responseEnd/loadEventEnd

Set of processes is deadlock if:

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Your Answer:

each process is blocked and will remain so forever
each process is terminated each process is terminated
all processes are trying to kill each other
all processes are stand by all processes are stand by

Secondary memory of the computer system is also called:

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Your Answer:

non volatile non volatile
volatile volatile
reserved reserved
small small

In the Java Collections Framework, which interface extends the `List` interface to provide more efficient insertions and deletions in the middle of the list?

1 Mark(s)

Your Answer:

`Map` `Map`
`Set` `Set`
`Deque` `Deque`
`Queue` `Queue`

If the size of the response message is more than 512 bytes, a Connection is known as:

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Your Answer:

DNS connection DNS connection
ICMP connection ICMP connection
STMP connection STMP connection
TCP connection TCP connection

Which method among the following returns the integer if no character is available?

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Your Answer:

int peek() int peek()
int read() int read()
string ReadLine() string ReadLine()
none of the mentioned none of the mentioned

Which library allows mathematical functions like pow() and sqrt()?

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Your Answer:

What is the shortcut key of Mark Citation in MS Word?

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Your Answer:

Alt + Shift + I Alt + Shift + I
Alt + Shift + P Alt + Shift + P
Alt + Shift + B Alt + Shift + B
Alt + Shift + Q Alt + Shift + Q

"Ctrl + Home" is used to

1 Mark(s)

Your Answer:

Moves the cursor to the beginning of Document
Moves the cursor to the beginning of Line
Moves the cursor to the beginning of Paragraph
All of the above All of the above

What is the purpose of the 'std::unexpected' function in C++ exception handling?

1 Mark(s)

Your Answer:

It is called when an unexpected exception occurs
It handles unexpected exceptions It handles unexpected exceptions
It throws an unexpected exception It throws an unexpected exception
It catches an unexpected exception It catches an unexpected exception

Which class/ or set of classes can describe the concept of polymorphism in the following code? abstract class student_details { public : int marksofstudent; calculate_grade(); } class topper:public student_details { public : calculate_grade() { return 15; } }; class average:public student_details { public : calculate_grade() { return 30; } }; class failed{ int marksofstudent; }; ``` abstract class student_details { public : int marksofstudent; calculate_grade(); } class topper:public student_details { public : calculate_grade() { return 15; } }; class average:public student_details { public : calculate_grade() { return 30; } }; class failed{ int marksofstudent; }; ```

1 Mark(s)

Your Answer:

Only the student_details class can show the concept of polymorphism
The class which is 'failed' should also inherit class student for this code to work for polymorphism
The student_details, topper and average classes together can show the concept of polymorphism
Only the student_details and topper class together can show the concept of polymorphism

Which function key is used for refreshing Windows?

1 Mark(s)

Your Answer:

F1 F1
F2 F2
F5 F5
None of these None of these

You need to configure a server that is on the subnet 192.168.19.24/29. The router has the first available host address. Which of the following should you assign to the server?

1 Mark(s)

Your Answer:

192.168.19.0 255.255.255.0 192.168.19.0 255.255.255.0
192.168.19.33 255.255.255.240 192.168.19.33 255.255.255.240
192.168.19.26 255.255.255.248 192.168.19.26 255.255.255.248
192.168.19.31 255.255.255.248 192.168.19.31 255.255.255.248

Which data structure is primarily used to implement Breadth-First Search (BFS) algorithm on a graph?

1 Mark(s)

Your Answer:

Stack Stack
Queue Queue
Heap Heap
Priority Queue Priority Queue

What will be the output of the following Python code snippet? z=set('abc$de') 'a' in z

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Your Answer:

Error Error
True True
False False
No output No output

What is a 'Surrogate Key'?

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Your Answer:

Natural key Natural key
Artificial key Artificial key
Foreign key Foreign key
Composite key Composite key

To display list of all files of the disk you would type:

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Your Answer:

DIR DIR
COPY COPY
DIR FILES DIR FILES
DIR AUTOEXEC.BAT DIR AUTOEXEC.BAT

What is the formula of gravitational force?

1 Mark(s)

Your Answer:

F = G * Mm / r2 F = G * Mm / r2
F = G * Mm / r4 F = G * Mm / r4
F = G * Mm / r3 F = G * Mm / r3
F = G * Mm / r F = G * Mm / r

Which file separator should be used by MANIFEST file?

1 Mark(s)

Your Answer:

/ /
\ \
- -
// //

You are asked to perform a queue operation using a stack. Assume the size of the stack is some value 'n' and there are 'm' number of variables in this stack. The time complexity of performing deQueue operation is (Using only stack operations like push and pop)(Tightly bound).

1 Mark(s)

Your Answer:

O(m) O(m)
O(n) O(n)
O(m*n) O(m*n)
Data is insufficient Data is insufficient

What is the purpose of the 'dynamic' keyword in C#?

1 Mark(s)

Your Answer:

To make a variable constant To make a variable constant
To specify a data type that can change during runtime
To make a variable accessible outside its class
To specify a data type to be determined at runtime

When interference is neither constructive nor destructive, it is:

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Your Answer:

intermediate interference intermediate interference
linear interference linear interference
retarded interference retarded interference
encapsulated interference encapsulated interference

The function strespn(s1,s2)?

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Your Answer:

finds a token separated by any of a set of characters
searches a string for any one of a set of characters
finds the last position in si in which s2 appears
determines length of initial string, segment made up of characters NOT in a specified set Answer

Process and schedulers are used for:

1 Mark(s)

Your Answer:

Programs Programs
I/O Devices I/O Devices
I/O Modules I/O Modules
Processes Processes

What is the purpose of the `WindowEvent` class in Java event handling?

1 Mark(s)

Your Answer:

It represents an event listener It represents an event listener
It represents an event source It represents an event source
It represents window-related events It represents window-related events
It represents an exception It represents an exception

What will be the output of the following Java program? class newthread extends Thread { Thread t; String name; newthread(String threadname) { name = threadname; t = new Thread(this,name); t.start(); } public void run() { } } class multithreaded_programing { public static void main(String args[]) { newthread obj1 = new newthread("one"); newthread obj2 = new newthread("two"); try { Thread.sleep(1000); System.out.print(obj1.t.isAlive()); } catch(InterruptedException e) { System.out.print("Main thread interrupted"); } } }

1 Mark(s)

Your Answer:

true true
false false
Main thread interrupted Main thread interrupted
None of the mentioned None of the mentioned

Chemical treatments are given to replace hydroxyl groups in the non crystalline region by other groups in order to change property/properties like:

1 Mark(s)

Your Answer:

electrical resistance electrical resistance
moisture absorption moisture absorption
rot resistance rot resistance
all of above all of above

Which header file is required by the C++ programming language to use the OOPS concept?

1 Mark(s)

Your Answer:

stdio.h stdio.h
iostream.h iostream.h
stdlib.h stdlib.h
We can easily use the OOPS concepts in c++ programs without using any header file.

The std::stack container in STL is implemented using:

1 Mark(s)

Your Answer:

Queue Queue
Vector or deque Vector or deque
List only List only
Array only Array only

Which return statement correctly returns the output?

1 Mark(s)

Your Answer:

public int cube(int x) { return (x + x); }
public int cube(int x) return (x + x); public int cube(int x) return (x + x);
public int cube(int x) { return x + x; }
None of the mentioned None of the mentioned

What is the purpose of the @classmethod decorator compared to the @staticmethod decorator?

1 Mark(s)

Your Answer:

Operate on class-level data Operate on class-level data
Operate on instance data Operate on instance data
Decorate instance methods Decorate instance methods
Operate on class methods Operate on class methods

Automobile tire has atmospheric pressure of:

1 Mark(s)

Your Answer:

2x105 Pa 2x105 Pa
1x105 Pa 1x105 Pa
1.6x104 Pa 1.6x104 Pa
1x10-12 Pa 1x10-12 Pa

What is encapsulation in Ruby?

1 Mark(s)

Your Answer:

The inheritance of properties and behaviors
The bundling of data with the methods that operate on that data
The conversion of data types The conversion of data types
None of the above None of the above

Feature of Windows include:

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Your Answer:

running several programs simultaneously running several programs simultaneously
switching between open applications switching between open applications
multitasking multitasking
all of these all of these

Serial access memories are useful in applications where:

1 Mark(s)

Your Answer:

Data consists of numbers Data consists of numbers
Short access time is required Short access time is required
Each stored word is processed differently
Data naturally needs to flow in and out in serial form

What type of members are not serialized?

1 Mark(s)

Your Answer:

Private Private
Protected Protected
Static Static
Throwable Throwable

Connection-oriented protocols are used in the virtual circuit approach for packet switching, such as in:

1 Mark(s)

Your Answer:

frame relay frame relay
FSK FSK
ATM ATM
both a and c both a and c

According to Mendeleev's periodic table, what is the basis of the elements' chemical property?

1 Mark(s)

Your Answer:

Charge Charge
Valency Valency
Atomic number Atomic number
Mass Mass

Which device converts human-understandable data and programs into a form that the computer can process?

1 Mark(s)

Your Answer:

Printing Printing
Output Output
Solid State Solid State
Input Answer Input Answer

Inverse Laplace transform of f(s)=4/(s2-2s-3) is:

1 Mark(s)

Your Answer:

e3t-et e3t-et
e-3t-et e-3t-et
e-3t-e-t e-3t-e-t
e3t-e-t e3t-e-t

The result relation has all attributes from all the relations in the:

1 Mark(s)

Your Answer:

Select clause Select clause
IN clause IN clause
From clause From clause
Define clause Define clause

Which of the following constants has the value 255?

1 Mark(s)

Your Answer:

TYPE_NAVIGATE TYPE_NAVIGATE
TYPE_RELOAD TYPE_RELOAD
TYPE_BACK_FORWARD TYPE_BACK_FORWARD
TYPE_RESERVED TYPE_RESERVED

What is the output of the given code? print "what's your first name?" first_name=gets.chomp a=first_name.capitalize "a".reverse puts"My name is #{a}"

1 Mark(s)

Your Answer:

amil jones amil jones
What's your first name? amil My name is Amil
My name is lima My name is lima
My name is limA My name is limA

Which keys enable the input of numbers quickly ?

1 Mark(s)

Your Answer:

Function keys Function keys
The numeric keypad The numeric keypad
Ctrl, shift and Alt Ctrl, shift and Alt
Arrow keys Arrow keys

"BAUD" rate means

1 Mark(s)

Your Answer:

The number of bits transmitted per unit time.
The number of bytes transmitted per unit time.
The rate at which the signal changes. The rate at which the signal changes.
None of the above None of the above

Enumeration is:?

1 Mark(s)

Your Answer:

a set of numbers a set of numbers
a list of strings a list of strings
a set of legal values possible for a variable
a list of operators Answer a list of operators Answer

Which of these software applications was not part of the first version of Microsoft Office?

1 Mark(s)

Your Answer:

PowerPoint PowerPoint
Outlook Outlook
Paint Paint
None None

Bidirectional Line Switching Ring (BLSR) is used:

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Your Answer:

one ring one ring
two rings two rings
three rings three rings
four rings four rings

A function returns one value and has only output parameters.

1 Mark(s)

Your Answer:

True True
False False

How can you create a private attribute in a Python class?

1 Mark(s)

Your Answer:

By prefixing the attribute name with an underscore (_)
By using the private keyword By using the private keyword
By using the hidden keyword By using the hidden keyword
By using the secure keyword By using the secure keyword

What will be the output of the following C# code? static void Main(string[] args) { int i = 0, j = 0; l1: while (i < 2) { i++; while (j < 3) { Console.WriteLine("loop\n"); goto l1; } } Console.ReadLine(); }

1 Mark(s)

Your Answer:

loop is printed infinite times loop is printed infinite times
loop loop
loop loop loop loop
Compile time error Compile time error

Evaluating Your Answers

Algorithms Mock Test 7 : Question 1 of 66