What is function of cout ?
(a) To send data to printer
(b) To read data from keyboard
(c) To display message
(d) To display output on the screen
In Flow chart process is represented by
(a) Rectangle
(b) Arrow symbol
(c) Oval
(d) Circle
&& is -------------------- operator.
(a) An arithmetic
(b) Logical
(c) Relational
l(d) Unary
An over Flow condition occurs when we try to assign a value to a variable which
is,
(a) Less than its maximum size
(b) Greater than its maximum size
(c) With in its range
(d) Equal to its size
Which of the following data type(s) can operate on modulus operator ‘%’?
(a) float, int
(b) float, double
(c) int
(d) char
Which of the following is the correct way to declare a variable x of integer type?
(a) x int ;
(b) integer x ;
(c) int x;
(d) x integer
What will be the range of numbers generated by function rand () % 9?
(a) 0 to 9
(b) 1 to 9
(c) 0 to 8
(d) 1 to 8
What will be the correct syntax to declare two-dimensional array of float data
type?
(a) float arr{2}{2} ;
(b) float arr[2][2] ;
(c) float arr[2,2] ;
(d) float[2][2] arr
In while loop the loop counter must be initialized,
(a) With in the loop
(b) Before entering the loop
(c) At the end of the loop
(d) None of the given options
There is a pointer variable named ptr of type int then address of which type of
variable the ptr will store in it?
(a) variable of type char
(b) variable of type short
(c) variable of type int
(d) variable of type double
Suppose int multi[5][10]; when we are using **multi , it means,
(a) Single dereferencing
(b) Single referencing
(
c) Double referencing
(d) Double dereferencing
The precedence of * is higher than dot operator (.)operator
(a) True
(b) False
When a call to function statement is encountered,
(a) The control transfers to its Prototype
(b) The control transfers to its definition
(c) Control returns to statement following function call
(d) The compiler stops execution of whole program
A function must always return value.
(
a) True
(b) False
What is the output of the following statement?
int i = 2.5; do { cout i * 2; } while (i > 3 && i < 10);
(a) 510
(b) 5
(c) 48
(d) error
What does !(7) evaluate to in decimal where ! is a NOT operator?
(a) 7
(b) 8
(c) 9
(
d) 10
The condition in while loop may contain logical expression but not relational expression.
(a)
True
(b) False
Searching is easier when an array is already sorted
(a) True
(
b) False
If an array has 100 elements, what is allowable range of subscripts?
(a) 0 - 99
(b) 1 - 99
(c) 0 - 100
(d) 1 - 100
Which of the following function returns the size of a string variable?
(a) strlength()
(b) stringlen()
(c) strlen()
(d) strLength()
What will be the range of numbers generated by function rand () % 9?
(a) 0 to 9
(b) 1 to 9
(c) 0 to 8
(d) 1 to 8
Computer can understand only machine language code.
(c) True
(d) False
Which of the following header file include string conversion functions?
(a) string.h
(b) stdlib.h
(c) ctype.h
(d) sconvert.h
The function of cin is
(a) To display message
(
b) To read data from keyboard
(c) To display output on the screen
(d) To send data to printer
How many parameter(s) function getline() takes?
(a) 0
(b) 1
(c) 2
(d) 3
Word processor is
(a) Operating system
(b) Application software
(c) Device driver
(d) Utility software
Each pass through a loop is called a/an
(a) enumeration
(b) Iteration
(c) culmination
(d) pass through
A continue statement causes execution to skip to
(a) the return 0; statement
(b) the first statement after the loop
(c) the statements following the continue statement
(d) the next iteration of the loop
What is the correct syntax to declare an array of size 10 of int data type?
(a) int [10] name ;
(b) name[10] int ;
(c) int name[10] ;
What will be the correct syntax to initialize all elements of two-dimensional array to
value 0?
(a) int arr[2][3] = {0,0} ;
(b) int arr[2][3] = {{0},{0}} ;
(c) int arr[2][3] = {0},{0} ;
(d) int arr[2][3] = {0} ;
How many bytes will the pointer intPtr of type int move in the following statement?
intPtr += 3 ;
(a) 3 bytes
(b) 6 bytes
(c) 12 bytes
(d) 24 bytes
If there are 2(n+1) elements in an array then what would be the number of iterations
required to search a number using binary search algorithm?
(a) n elements
(b) n+1) elements
(c) 2(n+1) elements
(d) 2
(n+1) elements
Which of the following operator is used to access the value of variable pointed to by a
pointer?
(a) * operator
(b) -> operator
(c) && operator
(d) & operator
The ________ statement interrupts the flow of control.
(a) switch
(b) continue
(c) goto
(d) break
Analysis is the -------------- step in designing a program
(a) Last
(b) Middle
(c) Post Design
(
d) First
Paying attention to detail in designing a program is _________
(a) Time consuming
(b) Redundant
(c) Necessary
(d) Somewhat Good
The while loop becomes infinite,
(a) When the condition is always false
(b) . When the condition is less than zero
(c) When the condition is always true
(d) When the condition contains a logical operator
I
f we want to store a string “abc” in an array str then the size of this array must be
at least,
(a) 2
(b) 3
(c) 4
(d) 5
No executable code will be generated if error is found during translation of the
program using interpreter.
(a) True
(b) False
Word processor is
(a) Operating system
(b) Application software
(c) Device driver
(d) Utility software
Which of the following is correct way to initialize a variable x of int type with value
10?
(a) int x ; x = 10 ;
(b) int x = 10 ;
(c) int x, x = 10;
(d) x = 10 ;
If there is more than one statement in the block of a for loop, which of the
following must be placed at the beginning and the ending of the loop block?
(a) parentheses ( )
(b) braces { }
(
c) brackets [ ]
(d) arrows < >
Name of an array is a constant pointer.
(a) True
(b) False
Loader loads the executable code from hard disk to main memory.
(a) True
(b) False
Which of the follwoing values C++ use to represent true and false?
(a) 1 and 0
(b) 1 and -1
(c) 11 and 00
(d) Any numerical value
The argument of the isdigit() function is ___________________
(a) a character,
(b) a C-string,
(c) a C++ string class variable
(d) None of the given options.
A precise sequence of steps to solve a problem is called
Statement
Program
Utility
Routine
The Compiler of C language is written in
Java Language
UNIX
FORTRON Language
C Language
In if structure the block of statements is executed only,
When the condition is false
When it contain arithmetic operators
When it contain logical operators
When the condition is true
Which of the following function(s) is/are included in stdlib.h header file?
double atof(const char *nptr)
int atoi(const char *nptr)
char *strcpy ( char *s1, const char *s2)
1 and 2 only
Dealing with structures and functions passing by reference is the most economical
method
True
False
Pointer is a variable which store,
Data
Memory Address
Data Type
Values
Which of the following can not be a variable name?
area
_area
10area
area2
Which of the following header file defines the rand() function?
iostream.h
conio.h
stdlib.h
stdio.h
In C/C++ the string constant is enclosed
(a) In curly braces
(b) In small braces
(c) In single quotes
(d) In double quotes
In flow chart, the symbol used for decision making is,
a) Rectangle
b) Circle
c) Arrow
d) Diamond
The data type before a function name represents its,
(a) Return Type
(b) Function data
(c) Function arguments
(d) Function name
The operator used to take the address of a variable is,
(a) &&
(b) ++
(c) –
(d) &
The header file which is used for input and output is
(a) maths.h
(b) string.h
(
c) iostream.h
(d) ctype.h
When we are using command line argument(s), the default argument in C/C++
is/are ____________ .
a) argc
b) argd
c) argv
d) argc and argv
In C++, Integer calculation occurs in _____ bytes.
a) 1 byte
b) 2 bytes
c) 4 bytes
d) 8 bytes
In the declaration of two dimensional array,
(a) First index represents row and second represents column
(b) First index represents column and second represents row
(c) Both indexes represent rows
(d) Both indexes represent column
The address operator (&) can be used with,
a) Statement
b) Expression
c) Variable
d) Constant
Which character is inserted at the end of string to indicate the end of string?
a) new line
b) tab
c) null
d) carriage return
Syntax of union is identical to ______
a) Structure
b) Class
c) Function
d) None of the given options
Which programming tool is helpful in tracing the logical errors?
Solution:Debugger tool is helpful in tracing the logical errors.
Why should goto statement be avoided in C/C++?
When structured programming was started, it was urged not to use the
goto statement. Though goto is there in C language but we will not use it in
our programs. It will adopt the structured approach. All of our programs
will consist of sequences, decisions and loop. Because loop provide best
platform to manipulate the data.
What is a truth Table?
Solution:-
We know the concept of truth table. The truth tables are very important. These are still a
tool available for analyzing logical expressions. We will read logic design in future,
which is actually to do with chips and gate. We find it difficult to evaluate a complicated
logical expression. Sometimes the logic becomes extremely complicated so that even
writing it as a simple syntax statement in any language.
What are similarities and differences between Structures and Unions?
In structures, we have different data members and all of these have their own memory
space. In union, the memory location is same while the first data member is one name for
that memory location. However, the 2nd data member is another name for the same
location and so on. Consider the above union (i.e. intOrChar) that contains an integer and
a character as data members. What will be the size of this union? The answer is the very
simple. The union will be allocated the memory equal to that of the largest size data
member. If the int occupies four bytes on our system and char occupies one byte, the
union intOrChar will occupy four bytes
What is a Linker?
(3)
Linker Most of the time our program is using different routines and functions
that are located in different files, hence it needs the executable code of those
routines/functions. Linker is a tool which performs this job, it checks our program
and includes all those routines or functions which we are using in our program to
make a standalone executable code and this process is called Linking
