Question 1

function tolower(c) defined in library  works for ___________

Accepted Answer

A)  Ascii character set
B)  Unicode character set
C)  Ascii and utf-8 but not EBCDIC character set
D)  Any character set D

Question 2

Which of the following is a User-defined data type?

Accepted Answer

A)  typedef int Boolean;
B)  typedef enum {Mon, Tue, Wed, Thu, Fri} Workdays;
C)  struct {char name[10], int age};
D)  all of the mentioned D

Question 3

Which type of conversion is NOT accepted?

Accepted Answer

A)  From char to int
B)  From float to char pointer
C)  From negative int to char
D)  From double to char B

Question 4

Which of the following type-casting have chances for wrap around?

Accepted Answer

A)  From int to float
B)  From int to char
C)  From char to short
D)  From char to int

Question 5

Operation "a = a * b + a" can also be written as ___________

Accepted Answer

A)  a *= b + 1;
B)  (c = a * b) !=(a = c + a) ;
C)  a = (b + 1) * a;
D)  All of the mentioned

Question 6

Relational operators cannot be used on ____________

Accepted Answer

A)  structure
B)  long
C)  strings
D)  float

Question 7

The format identifier '%i' is also used for _____ data type.

Accepted Answer

A)  char
B)  int
C)  float
D)  double

Question 8

What will be the final value of c in the following C statement? (Initial value: c = 2) c <<= 1;

Accepted Answer

A)  c = 1;
B)  c = 2;
C)  c = 3;
D)  c = 4;

Question 9

Which of the following statement is false?

Accepted Answer

A)  Constant variables need not be defined as they are declared and can be defined later
B)  Global constant variables are initialized to zero
C)  const keyword is used to define constant values
D)  You cannot reassign a value to a constant variable

Question 10

What is the scope of a function?

Accepted Answer

A)  Whole source file in which it is defined
B)  From the point of declaration to the end of the file in which it is defined
C)  Any source file in a program
D)  From the point of declaration to the end of the file being compiled

Question 11

In expression i = g() + f(), first function called depends on __________

Accepted Answer

A)  Compiler
B)  Associativiy of ()  operator
C)  Precedence of ()  and + operator
D)  Left to write of the expression

Question 12

What is short int in C programming?

Accepted Answer

A)  The basic data type of C
B)  Qualifier
C)  Short is the qualifier and int is the basic data type
D)  All of the mentioned

Question 13

What is the precedence of arithmetic operators (from highest to lowest)?

Accepted Answer

A)  %, *, /, +, -
B)  %, +, /, *, -
C)  +, -, %, *, /
D)  %, +, -, *, /

Question 14

Which among the following are the fundamental arithmetic operators, i.e, performing the desired operation can be done using that operator only?

Accepted Answer

A)  +, -
B)  +, -, %
C)  +, -, *, /
D)  +, -, *, /, %

Question 15

What is the scope of an external variable?

Accepted Answer

A)  Whole source file in which it is defined
B)  From the point of declaration to the end of the file in which it is defined
C)  Any source file in a program
D)  From the point of declaration to the end of the file being compiled

Question 16

What is the result of logical or relational expression in C?

Accepted Answer

A)  True or False
B)  0 or 1
C)  0 if an expression is false and any positive number if an expression is true
D)  None of the mentioned

Question 17

Which of the following statement is false?

Accepted Answer

A)  A variable defined once can be defined again with different scope
B)  A single variable cannot be defined with two different types in the same scope
C)  A variable must be declared and defined at the same time
D)  A variable refers to a location in memory

Question 18

What is the size of an int data type?

Accepted Answer

A)  4 Bytes
B)  8 Bytes
C)  Depends on the system/compiler
D)  Cannot be determined

Question 19

Do logical operators in the C language are evaluated with the short circuit?

Accepted Answer

A)  True
B)  False
C)  Depends on the compiler
D)  Depends on the standard

Question 20

All keywords in C are in ____________

Accepted Answer

A)  LowerCase letters
B)  UpperCase letters
C)  CamelCase letters
D)  None of the mentioned

Exam 1: Introduction to C Language

function tolower(c) defined in library works for ___________

Which of the following is a User-defined data type?

Which type of conversion is NOT accepted?

Which of the following type-casting have chances for wrap around?

Operation "a = a * b + a" can also be written as ___________

Relational operators cannot be used on ____________

The format identifier '%i' is also used for _____ data type.

What will be the final value of c in the following C statement? (Initial value: c = 2) c <<= 1;

Which of the following statement is false?

What is the scope of a function?

In expression i = g() + f() , first function called depends on __________

What is short int in C programming?

What is the precedence of arithmetic operators (from highest to lowest) ?

Which among the following are the fundamental arithmetic operators, i.e, performing the desired operation can be done using that operator only?

What is the scope of an external variable?

What is the result of logical or relational expression in C?

Which of the following statement is false?

What is the size of an int data type?

Do logical operators in the C language are evaluated with the short circuit?

All keywords in C are in ____________