CS201 | MID Term |mcq
by moaaz and asad with reference
CS201 MID TERM A
DIRECTION TO PASS INTRODUCTION TO
PROGRAMMING
|
CS201
MIDTERM MCQS MEGA FILE |
Question
In order to get 256 from the number 2568 we divide this number by
10 and take,
► Its remainder
► The number
► Its quotient
► Its divisor
Question
The correct syntax of do-while loop is,
► (condition ) while; do { statements; };
► { statements; } do-while ();
► while(condition); do { statements; };
► do { statements; } while (condition);
Question
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 (Pg 191)
Question
If the break statement is missed in switch statement then,
► The compiler will give error
► This may cause a logical error (Pg 76)
► No effect on program
► Program stops its execution
Question
The data type before a function name represents its,
► Return Type ( Pg 499)
► Function data
► Function arguments
► Function name
Question
Member function tellg() returns the current location of the
_____________ pointer.
► tellptr()
► write()
► seekg()
► get() (Pg 215)
Question
What does 5 | 6 , evaluate to in decimal where ‘|’ is bitwise OR
operator?
3 ►
4 ►
5 ►
7 ►
5 | 6 =
0 1 0 1
0 1 1 0
--------
0 1 1 1 = 7
Question
C is widely known as development language of _______
operating system.
► Linux
► Windows
► Unix (Pg 12)
► Mac OS
Question
What will be the result of arithmetic expression
6+27/3*3?
► 33
► 45
► 9
Question
How many bytes are occupied by declaring following
array of characters?
char str[] = “programming”;
► 10
► 11
► 12
► 13
Question
What will be
the correct syntax for initialization of pointer ptr with
string "programming"?
► char ptr = ’programming’ ;
► char *ptr = “programming” ;
► char *ptr = ‘programming’ ;
► *ptr = “programming” ;
pg 166
array element in each array initialized with a single character
enclosed in single quote.
pg 21
While assigning a character value to a char type variable single
quotes are used around the character
as ‘a’.
Question
What will be the result of expression x%= 2, if x = 7?
x = 1 ►
x = 3 ►
x = 7 ►
x = 2 ►
Question
UNIX has been developed in ________ language.
JAVA ►
B ►
C (pg 12) ►
FORTRAN ►
Question
Declaring structures does not mean that memory is allocated.
True (Pg 229) ►
False ►
Question
What will be the value of i and j in the following code segment?
int i, j ;
int x[5] = {2, 3, 4, 8, 9} ;
int *ptr =&x[2];
i = (*ptr)++ ;
j = *ptr++ ;
i = 5, j = 5 ►
i = 5, j = 8 ►
i = 4, j = 8 ►
i = 5, j = 9 ►
Question
When an array element is passed to a function, it is passed by
----------------.
reference
(Pg 266) ►
data type ►
value ►
data ►
When we pass ordinary variables to functions, they are passed by
value because of the default
behavior. But when an array is passed to a function, the default
behavior changes and array is passed
by reference
Question
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
Question
What does !(7) evaluate to in decimal where ! is a NOT operator?
(a) 7
(b) 8
(c) 9
(d) 10
Question
The condition in while loop may contain logical expression but not
relational expression.
(a) True
(b) False
Question
Searching is easier when an array is already sorted
(a) True
(b) False
Question
If an array has 100 elements, what is allowable range of
subscripts?
(a) 0 - 99
(b) 1 - 99
(c) 0 - 100
(d) 1 – 100
Question
What will be the value of ‘a’ and ‘b’ after executing the
following statements?
a = 3;
b = a++;
(a) 3, 4
(b) 4, 4
(c) 3, 3
(d) 4, 3
Question
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} ;
Question
Which of the following functionreturns the size of a string
variable?
(a) strlength()
(b) stringlen()
(c) strlen()
(d) strLength()
When applied
to a character array, the strlen function returns the length of the string
stored there
Question
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
Question
Computer can understand only machine language code.
(c) True
(d) False
Question
What does 5 ^ 6 , evaluate to in decimal where ‘^’ is Exclusive OR
operator?
(a) True
(b) False
Detail:-
It mean
5 = 0101
6 = 0110
5 ^ 6 = 0011
If both input is same then the output is 0 and if different then
output is 1
Question
If the file is not properly closed in the program, the program
____________.
(a) Terminate normally
(b) Indicate Runtime error
(c) Indicate Compile time error
(d) Crashes
Eventually run out of file handles and/or memory space and crash.)
Question
Which of the following header file include string conversion
functions?
(a) string.h
(b) stdlib.h (Pg 190)
(c) ctype.h
(d) sconvert.h
Question
A precise sequence of steps to solve a problem is called
Ø Statement
Ø Program
Ø Utility
Ø Routine
Question
The Compiler of C language is written in
Ø Java Language
Ø UNIX
Ø FORTRON Language
Ø C Language
Question
Initialization of variable at the time of definition is,
Ø Must
Ø Necessary
Ø Good Programming
Ø None of the given options
Question
In if structure the block of statements is executed only,
Ø When the condition is false
Ø When it contain arithmetic operators
Ø When it contain logical operators
Ø When the condition is true
Question
Dealing with structures and functions passing by reference is the
most economical method
Ø True
Ø False
Question
Pointer is a variable which store,
Ø Data
Ø Memory Address
Ø Data Type
Ø Values
Question
Preprocessor program perform its function before ______ phase
takes place.
Ø Editing
Ø Linking
Ø Compiling
Ø Loading
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