SYBSC IT - SEM III - MCQ

 

MCQ – Multiple Choice Questions

 

SAMPLE MCQ 

IMPORTANT MCQ QUESTIONS AND ANSWER.......................

 

 

AS PER UNIVERSITY OF MUMBAI SYLLABUS

 

 

It Will be helpful to regular students of Mumbai university colleges who are going to give the online examinations of SEM I, and SEM III  class of students.

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ANSWERS ARE HIGHLIGHTED IN BOLD

S.Y.BSCIT- 3 SEM

APPLIED MATHEMATICS

 

1.

If A=B are smilar then

(2 points)

 

	◯	IAI  < IBI
	⚫	IAI  = IBI
	◯	IAI  > IBI
	◯	IAI  ≠ IBI

 

2.

The product of the eigen values of a matrix A is equal to its ______

(2 points)

 

	⚫	determinant
	◯	non determinant
	◯	consitsent
	◯	non-consistent

 

3.

β(m,n) =

(2 points)

 

	⚫	β(n,m)
	◯	β(n)
	◯	β(m)
	◯	β(m + n)

 

4.

A function is said to be __________ function of Perod T if f(t+T) =f(t) ,T>0

(2 points)

 

	◯	asynchronous
	⚫	periodic
	◯	aperiodic
	◯	sysnchronous

 

5.

gamma function is also one of the __________distribution_

(2 points)

 

	◯	discrete
	◯	non-continuous
	◯	non-discrete
	⚫	continuous

 

6.

The double integration in Cartesian coordinates (x,y) can be changed to polar co-ordinates (r,Ɵ).By the substitution of

(2 points)

 

	◯	rsinƟsinɸ
	◯	rsinƟcosecɸ
	⚫	rcosƟcosɸ
	◯	rsinƟcosɸ

 

7.

If r=n then there is a unique ,solution which is ____

(2 points)

 

	◯	non-linear
	◯	lienar
	⚫	transpose
	◯	non-tirvial

 

8.

gamma of 6

(2 points)

 

	◯	240
	⚫	120
	◯	360
	◯	520

 

9.

_______is like sine function.It can be produced by shifting ,stretching or compressing the sine function

(2 points)

 

	◯	sine waves
	◯	square
	◯	triangular
	⚫	sinusoidal function

 

10.

Integrating Factors for equation of type f1(x,y)ydx+f2(x,y)xdy = 0 is

(2 points)

 

	◯	(Mx-Ny) provided Mx-Ny≠ 0
	◯	1/(Mx+Ny) provided Mx+Ny≠ 0
	⚫	1/(Mx-Ny)  provided Mx-Ny≠ 0
	◯	(Mx+Ny) provided Mx+Ny≠ 0

 

11.

β(2.5.1.5)

(2 points)

 

	◯	0.185
	◯	0.313
	◯	0.45
	⚫	0.196

 

12.

Γn+1 =

(2 points)

 

	◯	(n+2)!
	⚫	n!
	◯	(n-1)!
	◯	(n+1)!

S.Y.BSCIT- 3 SEM

COMPUTER NETWORKS

 

1.

In serial transmission ____ bits are transmitted at a time

(2 points)

 

	◯	2
	◯	3
	◯	many
	⚫	1

 

2.

A ____________ signal is a combination of 2 or more simple sine waves

(2 points)

 

	◯	periodic
	◯	analog
	◯	digital
	⚫	composite

 

3.

UDP is __________ protocol

(2 points)

 

	◯	user data
	◯	usual datagram
	⚫	user datagram
	◯	user dataset

 

4.

ALOHA is a type of ____________ protocols

(2 points)

 

	⚫	random access
	◯	channelization
	◯	CSMA
	◯	controlled access

 

5.

HTTP protocol works in the _________ layer

(2 points)

 

	◯	presentation
	⚫	application
	◯	datalink
	◯	session

 

6.

__________ is one of the phase in terms of data transfer.

(2 points)

 

	⚫	set up phase
	◯	connection
	◯	breaking
	◯	joining

 

7.

CRC is

(2 points)

 

	◯	Cyclic remote check
	◯	Cyclical redundancy checksum
	⚫	Cyclic redundancy check
	◯	Cyclomatic redundancy check

 

8.

E-mail is _________ mail

(2 points)

 

	◯	electric
	⚫	electronic
	◯	electricity
	◯	electrical

 

9.

WDM is

(2 points)

 

	◯	Wave division multiplexing
	⚫	Wavelength division multiplexing
	◯	Wavedata division multiplexing
	◯	Waveform division multiplexing

 

10.

Datagram network is -

(2 points)

 

	◯	packet switching
	⚫	Connectionless
	◯	Connection-oriented
	◯	virtual circuit method

 

11.

A __________ is a 3-layer device that routes packet based on their logical addresses.

(2 points)

 

	⚫	router
	◯	hub
	◯	repeater
	◯	switch

 

12.

OSPF is ___________ protocol

(2 points)

 

	◯	Open smart path first
	◯	Open small path first
	⚫	Open shortest path first
	◯	Open small path fast

S.Y.BSCIT- 3 SEM  

Data Structures

 

1.

____ notation represented as “O”

(2 points)

 

	⚫	big O
	◯	alpha notation
	◯	omega notaion
	◯	theta notation

 

2.

Asymptotic notation is

(2 points)

 

	⚫	theta notation
	◯	alpha notation
	◯	beta notation
	◯	gamma notation

 

3.

Which of the following statements for a simple graph is correct?

(2 points)

 

	◯	every trail is a path as well as every path is trail
	◯	every trail is a path
	⚫	every path is trail
	◯	path and trail have no relation

 

4.

Linked list is considered as an example of ___________ type of memory allocation.

(2 points)

 

	⚫	dynamic
	◯	compile time
	◯	static
	◯	heap

 

5.

What is a hash table?

(2 points)

 

	◯	a structure that maps values to keys
	⚫	A structure that maps keys to values
	◯	a structure used to implement stack and queue
	◯	a structure used for storage

 

6.

What is the time complexity of pop() operation when the stack is implemented using an array?

(2 points)

 

	⚫	O(1)
	◯	O(nlogn)
	◯	O(logn)
	◯	o(n)

 

7.

In _____ is linear data structure which stores the elements in a node in a linear fashion but not necessarily contaguous.

(2 points)

 

	◯	queue
	◯	tree
	⚫	linked list
	◯	arrays

 

8.

Which of the following sorting algorithm is of divide and conquer type?

(2 points)

 

	◯	bubble sort
	⚫	merge sort
	◯	selection sort
	◯	insertion sort

 

9.

____ notation represented as Ω

(2 points)

 

	⚫	omega notation
	◯	theta notation
	◯	alpha notation
	◯	big o

 

10.

How do you initialize an array in C?

(2 points)

 

	◯	int arr(3) = {1,2,3};
	⚫	int arr[3] = {1,2,3};
	◯	int arr[3] = (1,2,3);
	◯	int arr(3)= (1,2,3);

 

11.

Following which one is not stack operation

(2 points)

 

	◯	pop
	◯	push
	◯	peek
	⚫	enqueue

 

12.

Which of the following properties is associated with a queue?

(2 points)

 

	◯	last in last out
	◯	first in last out
	⚫	first in first out
	◯	last in first out

S.Y.BSCIT- 3 SEM

 Database Management System (DBMS)

 

1.

Which of the following is a low level operator?

(2 points)

 

	◯	insert
	◯	delete
	◯	update
	⚫	directory

 

2.

Given the basic ER and relational models, which of the following is INCORRECT?

(2 points)

 

	◯	An attribute of an entity can have more than one value
	◯	An attribute of an entity can be composite
	◯	In a row of a relational table, an attribute can have exactly one value or a NULL value
	⚫	In a row of a relational table, an attribute can have more than one value

 

3.

_____________ express the number of entities to which another entity can be associated via a relationship set.

(2 points)

 

	◯	participation contraints
	◯	relational cardinality
	⚫	mapping cardinality
	◯	relational contraints

 

4.

The relationship between DEPARTMENT and EMPLOYEE is a

(2 points)

 

	⚫	One-to-many relationship
	◯	Many-to-many relationship
	◯	One-to-one relationship
	◯	Many-to-one relationship

 

5.

An entity set that does not have sufficient attributes to form a primary key is termed a __________

(2 points)

 

	◯	strong entity set
	⚫	weak entity set
	◯	variable set
	◯	variant set

 

6.

The term attribute refers to a ___________ of a table.

(2 points)

 

	⚫	column
	◯	key
	◯	tuple
	◯	record

 

7.

Which of the following is an attribute that can uniquely identify a row in a table?

(2 points)

 

	◯	alternate key
	◯	foreign key
	⚫	candidate key
	◯	secondary key

 

8.

Which of the following is the comparison operator in tuple relational calculus

(2 points)

 

	◯	=>
	⚫	=
	◯	%
	◯	-

 

9.

Which is a bottom-up approach to database design that design by examining the relationship between attributes:

(2 points)

 

	◯	Functional dependency
	⚫	normalization
	◯	decomposition
	◯	Database modelling

 

10.

___________ is widely used today for protecting data in transit in a variety of applications such as data transfer on the Internet, and on cellular phone networks.

(2 points)

 

	◯	internet security
	⚫	encryption
	◯	data mining
	◯	architectural security

 

11.

A relational database consists of a collection of

(2 points)

 

	◯	records
	◯	fields
	◯	keys
	⚫	tables

 

12.

____________ is preferred method for enforcing data integrity

(2 points)

 

	◯	cursors
	◯	stored procedure
	⚫	constraint
	◯	triggers