Top 50 Computer Mcqs with Answer
Top 50 Computer Mcqs with Answer
Q.1 ………………… is an
electronic device that takes raw data as input and processes these data and gives
output as information.
a) mouse b) computer c) radio
d) none of these
Answer-- b
Q.2 Who is the
father of computers?
a) Blaise Pascal b) Leibniz c) Charles Babbage d) none of these
Answer-- c
Q.3 Which of the
following is the type of computer based on the size of the computer?
a) micro and mini
b) mainframe c) super d) all
Answer-- d
Q.4 3rd
generation computer was based on which technology?
a) transistors b)
conductors c) ICs d) vacuum tubes
Answer-- c
Q.5 Which of the
following is the first calculating device?
a) Napier bones
b) Abacus c) pascal’s calculator d) Leibniz’s calculator
Answer-- b
Q.6 Which of the
following are the characteristics of computer?
a) speed,
accuracy and resource sharing b) diligence and reliability
c) storage and versatility d) all
Answer-- d
Q.7 What is the
full form of CAD?
a) computer-aided design b) controller automatic design c)computer advance design d)none
Answer-- a
Q.8 Which of the
followings are the components of computer?
a) CPU b) Input
and Output devices c) storage unit d) all
Answer-- d
Q.9 Which language is used in 3rd
generation of computers?
a) assembly language b) machine
language c) high-level language d) none
Answer-- c
Q.10 Memory that store frequently
accessed data is called……….
a) cache memory b) main memory c) RAM
d) ROM
Answer-- a
Q.11 What is the full form of USB?
a) universal
serial bus b) universal service bus c) universal serial business d) none
Answer-- a
Q.12 Which of the following is a
volatile (temporary) memory?
a) PROM b) RAM c)
ROM d) EPROM
Answer-- b
Q.13 Special purpose, high-speed
temporary memory that store memory address is called
a) secondary memory b) primary memory
c) cache memory d) register
Answer-- d
Q.14 What is the full form of BIOS?
a) business input output service b) basic input output system
c) basic input output service d) none
Answer-- b
Q.15 When we use header and footer, on
which page it is printed?
a) all page b) alternate page c)
middle page d) last page
Answer-- a
Q.16 Which of the following is
spreadsheet program?
a) MS word b) MS PowerPoint c) MS
excel d) MS access
Answer-- c
Q.17 What is the latest file extension
name for MS word?
a) .txt b) .doc c) .docx d) .dot
Answer-- c
Q.18 What is the use of ruler in Ms
word?
a) to adjust page margin b) to set
indents c) to set tabs d) all
Answer-- d
Q.19 The OCR recognises the ……. of the
characters with the help of a light source.
a) size b) shape c) column d) used
link
Answer-- b
Q.20 Which key is used to make all the
letters capital without using shift key?
a) shifter b) upper case c) caps lock
d) icon
Answer-- c
Q.21 HTML elements are represented
by…………….
a) tags b) code c) files d) none
Answer-- a
Q,22 All HTML documents are divided
into two main parts……………….
a)
head and body b) head and title c) title and
body d) none
Answer-- a
Q.23 Only the content inside the
………………section is displayed in a browser.
a) <body> b) <head> c)
<title> d) none
Answer-- a
Q.24 The ……………. Elements defines the
title of the documents, and is required in all HTML documents.
a) <head> b) <html> c)
<title> d) none
Answer-- c
Q.25 Which of the following is the
comment tag in HTML.
a) <…….> b) <! --………. --> c)
<!...........!> d) none
Answer-- b
Q.26 C is a …………programming.
a) procedure-oriented b) object-oriented c) both d) none
Answer-- a
Q.27 C lang. was developed at Bell
laboratory, USA in 1972 by whom?
a) Dennis Ritchie b) Brian Kernighan
c) both d) none
Answer-- a
Q,28 In C lang. data types are
categorised as:
a) primary/built-in b) user defined c)
both d) none
Answer-- c
Q.29 C++ is a computer programming
language that was developed by whom?
a) Dennis Ritchie b) Bjarne
Stroustrup c) both d) none
Answer-- b
Q.30 The basic concept of
object-oriented programming includes:
a) objects and classes b) data
abstraction and encapsulation
c) inheritance, polymorphism, dynamic
binding and message passing d) all
Answer-- d
Q.31 Process by which objects of one
class acquire the properties of objects of
another class is called….
a) polymorphism b) encapsulation c)
inheritance d) Both a and b
Answer-- c
Q.32 object is …….
a) member of class b) associate of
class c) attributes of the class d) instance of the class
Answer-- d
Q.33 Initialization
of the variables at run time is called….
a) dynamic initialization b)
reference variables c) both d) none
Answer-- a
Q.34 To eliminate the cost of calls to
small functions, c++ have a new feature called.
a) inline function b) call by
reference c) call by value d) none
Answer-- a
Q.35 In c++, we can use the same
function name to create functions that perform
a variety of different tasks. This
is known as
a) global function b) function
overloading c) inheritance d) all
Answer-- b
Q.36 By default, the members of a
class are …………., while, by default, the members
of a structure are ………….
a) private, public b) public,
private c) public, public d) private, private
Answer-- a
Q.37 The private data of a class can
be accessed only through the……………. Of that class.
a) object b) member function c) both
d) none
Answer-- b
Q.38 which of the following is a valid
class declaration.
a) class A b) class B c) class A d) object B
{ { { {
int x; } int x; int x;
}; } };
Answer--
a
Q.39 The constructor is invoked
whenever an …………… of its associated class is created.
a) class b) object c) member function
d) none
Answer-- b
Q.40 A/an ……………. Class is one that is
not used to create objects. This class is designed only to act as a base class
(to be inherited by other classes).
a) derived class b) abstract class
c) constructors d) none
Answer-- b
Q.41 DBMS stands for………….
a) database management system b) data
money system
c) database management service d)
none
Answer-- a
Q.42 Before DBMS, organizations
usually stored information in ……………system.
a) data b) file c) table d) none
Answer-- b
Q.43 A main purpose of a database
system is to provide users with an ……. View of data.
a) complex b) abstract c) both d) none
Answer-- b
Q.44 The collection of information
stored in the database at a particular moment is called……of the database.
a) instance b) schema c) view d) none
Answer-- a
Q.45 characteristics of entities are
called…………….
a) attributes b) types c) objects d)
none
Answer-- a
Q.46 ……… Key is candidate key that is
most appropriate to become the main key for any table.
a) primary b) alternative c) super d)
none
Answer-- a
Q.47 An entity set that does not have
sufficient attributes to form a primary key is called……
a) strong entity b) weak entity c)
simple entity d) none
Answer-- b
Q.48 …………Shows the number of entities
to which another entity can be associated with a relationship set.
a) cardinality ratios b) line c)
attributes d) none
Answer-- a
Q.49 ……… is the method which describe
the relationship between the attributes.
a) normalization b) functional
dependency c) attributes d) none
Answer-- b
Q.50 A relation is said to be in 2NF
if………………
a) It is in 1NF
b) all non-prime attributes are
fully functional dependent on
candidate key.
c) both a and b d) none
Post a Comment