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11th Computer Science Weekly Test- 3 ( Introduction to C++ )

MABS Institution

11th Computer Science Weekly Test- 3 ( Introduction to C++ )-Aug 2020

Time : 1.00 Hours

Part - A

Multiple Choice Question - Answer All Question

Which of the following supports both procedural and oop concepts?

C
Java
C++
Basic

Which of the following used to identify the type of data and associated operations of handling it?

literals
Datatypes
Keywords
puntuators

In c++, the input statement requires how many operands?

4
3
many
2

Which operator will return true if only one of the operand is true?

&
|
^
||

Which language is an extension of c language?

C++
Java
oop
python

Match the following

(i) int, char - (1) derived data type

(ii) class - (2) Built-in data type

(iii)Pointer - (3) User defined data type

(iv) void - (4) fundamental data type

4,3,1,2
4,3,2,1
3,4,1,2
1,2,4,3

Which of the following are the reserved words in c++?

Keywords
Punctuators
Operators
Constants

The range of char datatype is greater

-128 to 127
-126 to 127
-127 to 128
0 to 225

Which operators are specific to c++?

::
.*
\(\rightarrow *\)
all of these

Which headerlife contains the definition of clrscr() object?

iostream.h
conio.h
istream.h
math.h

Which of the following allowed in the octal integer constants and hexadecimal integer constant?

Dot
Comma
blank spaces
+

The final step of construction of a C++ program have an extension is

.obj
.cpp
.exe
none of these

Which of the following is invalid character constants?

'A'
'5'
"A"
'\a'

An escape sequence is represented by a

/
" "
' '
\

Match the following

1 Constant expression i Area = 3.14rr;

2 Bitwise expression ii (a >b)&&(c=10)

3 Logical expression iii x > >3; a < < 2;

4 Float expression iv int num = 100;

1-(iv) 2-(iii) 3-(ii) 4-(i)
1-(i) 2-(ii) 3-(iii) 4-(iv)
1-(iv) 2-(i) 3-(ii) 4-(iii)
1-(iv) 2-(iii) 3-(i) 4-(ii)

How many modifiers are there in C++?

1
2
3
4

Which of the following keyword not in C?

break
const
class
case

Which of .the following step is important in constructing a C++ program?

creating code
saving code
compilation
execution

How many conversions types are there in C++?

2
3
4
more than 3

Which of the following are the building blocks of a c++ program?

variables
functions
arrays, classes'
all of these

________ is used to set the number of decimal places to be displayed.

Set precision
Garbage
Constant
All the above

________ used to label a statement.

colon
comma
semi-colon
parenthesis

The relation operator symbol represents "Equal to" is

a==
=
!=
===

Which of the following is a current statement?
(i) C++ is a Hybrid language
(ii) C++ not an object driven language
(iii) C++ supports exception handling
(iv) Data hiding possible

only (i)(ii)
only (i), (iii)
only (i), (iii),(iv)
only (iii), (ii)

Match the following

(i) a=3.14 x rrh - (1) pointer expressions

(ii) s = a+b; - (2) Bitwise expression

(iii) int*y - (3) Relational expression

(iv) a << 2; - (4) float expression

(v) a= =5; -(5) Integer expression

4,5,2,1,3
4,5,1,2,3
1,5,4,3,.2
4,1,2,3,5

Which of the following used to format the output of any C++ program?

Modifier
Specifier
operators
Manipulators

Assume a=5, b=6; what will be result of a&b?

4
5
1
0

Name the type of operator in which, % operator belongs

Arithmetic
Relational
Ternary
logical

All six relational operators are

unary operators
binary operators
Ternary operators
Arithmetic operators

boolean y = (a < b) & & (b < c); what is the value of y if a = 5, b = 6, c = 7?

1
0
false
no

if a = 10, a << 3 is equal to

30₁₀
1000₁₀
3.33₁₀
80₁₀

Match the following
(i) 0125 -(1) Character constant
(ii) 0.58E3 -(2) String constant
(iii) '8' -(3) fixed point constant
(iv) "5000" -(4) floating point constnat

3,4,1,2
4,3,1,2
1,4,3,2
3,4,2,1

What is the value stored in C if int c=15.06?

15
06
1506
15.06

Which of the following statement is true?
(i) Identifiers must not be a keyword or boolean literal or null literal
(ii) Identifiers must not being with digit
(iii) Identifiers can be of any length
(iv) Java is not case sensitive

only (i) and (iii)
only (ii) and (iv)
only (iii), (iv)
only (i), (ii) and (iii)

In programming language _________ are referred as variables and the values are referred to as data.

constant
integer
fields
files

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