Programming In C Solved MCQs

 Programming In C MCQs

This section contains more frequently asked Programming In C MCQs in the various University Level and Competitive Examinations.
 

Practice it now to sharpen your concepts and knowledge

 

1.What is the older high-level(non-assembler) programming language?

• C
• Lisp
• Fortan 
• Basic

C. Fortan 

2.The primary progenitor of COBOL was the programming language known as:

• Pseudocode
• short Code
• speedcode
• flow-matic.

D. flow-matic.

3.The C++ programming language is very popular because it is:

• backward compatible with C.
• widely available.
• object-oriented.
• all of the above.

C. object-oriented.

4.What innovation introduced in ALGOL68 is ofter credited to pascal?

• user-defined data types
• block statement
• select statement
• bit-string

B. block statement

5.The most common programming languages ,dating back to the 1940s are called:

• functional
• rule-based.
• object-oriented
• imperative.

D. imperative.

6.When did the first ANSI programming language stander d come out?

• 1949
• 1975
• 1958 
• 1966

C. 1958 

7.List in chronological order, when these languages become officially recognized as a standard

• ANSI C
• ANSI COMMON LISP
• ANSI Cobol 
• ANSI ADA

C. ANSI Cobol 

8.Who uses languages which are standards? (i)Processors (ii)Technicians (iii) Students (iv)Managers

• i,ii & iii only
• ii & iv only
• iii & iv only
• all of the above

D. all of the above

9. What features make C++ so powerful?

• Easy Implementations
• Reusing the old code
• Easy Memory Management 
• All of the above

C. Easy Memory Management 

 

1.What makes OOP so popular? (i) Data abstraction (ii) Easily reusable (iii) Easily modifiable (iv) None of the above

• i only
• i, ii & iii only
• ii & iii only
•  iv only

D.  iv only

2.Which of the following languages has the potential to become the next programming language standard? (i) Java (ii) Html (iii) Cobol 97 (iv) ADA 95

• i & iv only
• i & iii only
• ii & iii only
• none of the above

B. i & iii only

3.Which of the following languages is the newest?

• C 
• Fortran
• Lisp
• Simula

A. C 

4.Which of the following languages is the oldest?

• Perl 
• PHP
• Python
• Ruby

A. Perl 

5.Which of the following languages introduced the notion of inheritance?

• Simula 
• Smalltalk
• Algol 68
• C++

A. Simula 

6.Which of the following are language processors?

• Assembler
• Compiler
• Interpreter
• All of the above

D. All of the above

7.A program in execution is called

• process 
• function

A. process 

8.An assembly language is a

•  low level programming language
• CPU
• High level programming language
• Memory

A.  low level programming language

 

1.An assembler is

• Programming language dependent.
• Machine dependant.
• Syntax dependant.
• Data dependant
• ans2

2.Translator for low level programming language were termed as

• Assembler
• Compiler
• Linker
• Loader
• ans1

3.What is the name of the category of programming languages whose structure is dictated by the von Neuman computer architecture?

• Imperative
• Functional
• Constraint
• Denotational
• ans1

4.A paradigm that allows specification of what has to be computed rather than just how a computation is to be carried out.

• Imperative
• Functional
• Non-procedural
• Object-oriented
• ans3

5.A paradigm incorporating encapsulation. Inheritance and dynamic type binding

• Imperative
• Functional
•  Denotational
• Object-oriented
• ans4

6.Which language is considered to be the first fully object-oriented language?

• FORTRAN
• LISP
• JAVA
• COBOL
• ans3

7.In what language is UNIX written?

• FORTRAN
• LISP
• JAVA
• C
• ans3

8.What programming language has dominated scientific computing over the past 35 years?

• FORTRAN
• JAVA
• COBOL
• SMALL TALK
• ans1

9.What programming language has dominated artificial intelligence programming over the past 35years?

• FORTRAN
• LISP
• JAVA
• COBOL
• ans2

10.What programming language has dominated business applications over the past 35 years?

• FORTRAN
• JAVA
• COBOL
• SMALL TALK
• ans3

 

1.What language has slogan ‘write once run anywhere’?

• FORTRAN
• LISP
• JAVA
• COBOL
• C

C. JAVA

2.How is Scheme opposite to Common Lisp?

•  Scheme is large and complex; Common Lisp is small.
• Common Lisp is not an ANSI standard; Scheme is.
• Scheme is exclusively statically scoped; Common Lisp supports dynamic scoping.
• Common Lisp is interpreted; Scheme is compiled.

A.  Scheme is large and complex; Common Lisp is small.

3.Why must local variables in Lisp generally be allocated in the heap, rather than on the Stack

• Because we don’t know their sizes at compile time.
• Because local variables in Lisp have unlimited extent.
• Because Lisp subroutines don’t follow strict LIFO calling conventions.
• Because the Lisp garbage collector is unable to manipulate addresses in the stack.

B. Because local variables in Lisp have unlimited extent.

4.through Q 38 refer to the following program in Scheme: (define add-n (lambda (n) (lambda (m) (+ m n)))) (let ((n 4) (f (add-n 3))) (+ n (f 2))) What does this program print?

• 8
•  9 
• 10
• none of the above

B.  9 

5.What would the program print if Scheme used dynamic scope and shallow binding?

• 8
•  9 
• 10
• none of the above

B.  9 

6.What would be the program print if scheme used dynamic scope and deep binding?

• 8
•  9 
• 10
• none of the above

B.  9 

7.The fact that the program contains two variables named n is an example of

• Overloading
• Aliasing
• Both
• neither

D. neither

8.What would happen (in real scheme) if we reversed the order of the two definitions in the let block?

• Nothing: the program would behave the same
• The output would change,because f would capture a different n
• The interpreter would complain that n is being used before it is declared
• The interpreter would complain that the meaning of n is ambiguous

A. Nothing: the program would behave the same

9.Which of the following is not an example of a high-level programming language?

• Machine language
• Assembly language
• High level language
• Natural language

D. Natural language

10.Which of the following is not an example of a high-level programming language?

• C++
• PASCAL
• Babbage 
• BASIC

C. Babbage 

 

1.First high level language to be implemented on personal computers

• FORTRAN 
• BASIC
• PASCAL

A. FORTRAN 

2.Hungarian Notation is used to

• Design system manual
• Design user manual
• Define name of the variable depending on its use and data type
• All

A. Design system manual

3.Java is a

• Machine level language
• Middle level language
• High level language 
• None

C. High level language 

4.SNOBOL is mainly used for

• List operations
• Numerical operations
• Text Operation
• None

D. None

5.Which of the following is not case sensitive language?

• C
• Java 
• C++
• None

B. Java 

6.FORTRAN is a

• General purpose and procedural language
• Imperative programming language
• Both A and B
• None

C. Both A and B

7.An assembly language consists of following which type of instructions.

• Mnemonics
• Opcodes
• Operands
• Fields

A. Mnemonics

8.‘C’ is a

• Assembly language
• Middle level language
• High level language
• None

C. High level language

9.Structured programming languages are also known as

•  Modular 
• Case sensitive
• Pseudocode
• Object oriented language

A.  Modular 

10.Which of the following is a case sensitive language?

• C++
• Pascal
• BASIC
• All

D. All

 

1.Which of the following factors should be considered while selecting a programming language for application development?

• Nature of the application
• Ease of learning the language
• Familiarity with the language
• All

D. All

2.Which of the following is best suited for system-level programming

• BASIC
• C 
• FORTRAN
• none

B. C 

3.Java compiler produces

• Byte code 
• Object code
• Executable code
• None

A. Byte code 

4.Which of the following languages are difficult to modify

• Machine level language
• Assembly level language
• High level language
• None

A. Machine level language

5.Variables created in MATLAB can be seen in ___________ _

• Command Window
• Command History
• Workspace
• Current Directory

C. Workspace

6.ll variables created can be saved using command

• Save
• Load
• log
• None

A. Save

7.What is right way to create a 3×3 matrix A?

• Matrix(A,3,3)
• A(3,3)
• A[123,123,123]
• A[123; 123; 123]

D. A[123; 123; 123]

8.Transpose of matrix A can be calculated by:

• A’ 
• inv(A)
• A”

A. A’ 

9.A trigonometric operation ‘sin(A)’ on matrix A will affect

• First row elements of A
• First column elements of A
• All elements of A.
• First and Last element of A

B. First column elements of A

10.“log2′ function is used for

• Calculating logarithm of two numbers
• Calculate log to the base 2
• Calculate log of 2 with given no as base
• None

C. Calculate log of 2 with given no as base

 

1.Comment on the output of following code:1. #include 2. main() 3. { 4. char *p = 0; 5. *p = ‘a’; 6. printf(“value in pointer p is %c\n”, *p); 7. }

• It will print a
• It will print 0
• Compile time error
• Run time error

C. Compile time error

2.Which of the following is a keyword used for a storage class?

• Printf
• externa
• auto
• scanf

C. auto

3.The prototype of the function in the header file isA]Stdio.h

• stdlib.h
• conio.h
•  io.h
• Stdio.h

D. Stdio.h

4.Preprocessor Directives are used for –

• Macro Expansion
• File Inclusion
• Conditional Compilation
• All of these

B. File Inclusion

5.Which function is used to read character as you type ?

• getchar()
• getch()
• getche()
• Both (B) and (C

A. getchar()

6.Which format specifier is used to print the values of double type variable

• %If
• %Id
• %Iu
• %f

A. %If

7.What will be the output of the following program? Void main( ) { Int x []= {10,20,30,40,50}; Print f (“ \n %d %d %d %d “, x [4] ,3[x] ,x[2] ,1[x] ,x[0] ); }

• Error
• 10 20 30 40 50
• 50 40 30 20 10
• None of these

A. %If

8.Which of the following is not s keyword of ‘C’ ?

• auto
• register
• int
• function

A. %If

9. What will be the output ? #define SQUARE(X) X * X void main ( ) { printf (“\n Square = %d” , SQUARE(10+2) ); }

• Square = 144
• Square =32
• Square =122
• Square =12

A. %If

10.By default a function returns a value of type

• int
• char
• void
• None of these

A. %If

 1.What will be the value of x after executing the program ?void main ( ) { int x; x = printf(“I See, Sea in C”); printf(“\n x= % d” , x); }

• x= 15
• x=2
• Garbage value
• Error

D. Error

2.Which is not keyword in ‘C’ ?

• typedef
• const 
• near 
• complex

C. near 

3.Which is valid string function ?

• strpbrk
• strlen 
• strxfrm
• strcut

B. strlen 

4.A static variable by default gets initialized to

• 0
• blank space
• 1
• garbage value

D. garbage value

5.What will be the size of following union declaration?int **x;

• x is a pointer to pointer 
• x is not pointer
• x is long
• None of these

A. x is a pointer to pointer 

6.What will be the size of following union declaration?Union Test { Int x; Char c[10 Char y; Float z; } ;

• 10 bytes 
• 4bytes
• 1byte
• 4 bytes

A. 10 bytes 

7.Which of the following are tokens in C?

• Keywords
• Variables
• Constants
• All of the above

D. All of the above

8.The size of a String variable is

• 1 byte 
• 8 bytes
• 16 bytes
• None

A. 1 byte 

9.Operators have hierarchy. It is used to know which operator

• is most important 
• is used first 
• is faster
• operates on large numbers

B. is used first 

 

1.Header files in C contain

• Compiler commands
• Library functions
• Header information of C programs
• Operators for files

B. Library functions

2.Identify the wrong statement

• putchar(65) 
• putchar(‘x’) 
• putchar(“x”)
• putchar(‘\n’)

B. putchar(‘x’) 

3.Which header file is essential for using strcmp() function?

• string.h 
• strings.h
• text.h
• strcmp.h

A. string.h 

4.Which of the following is a key word is used for a storage class

• printf
• external 
• auto 
• scanf

C. auto 

5.An Ampersand before the name of a variable denotes

• Actual Value
• Variable Name
• Address 
• Data Type

C. Address 

 1.Who invented the C – Programming?

• James Gosling
• Dennis Ritche
• Bjarne Stroustrup’s
• Tim Berners-Lee

B. Dennis Ritche

2.Where does C language get invented?

• Ritche’s Lab
• AT & T Bell Labs
• Under Oak Tree
• Fringe Labs

B. AT & T Bell Labs

3.Which symbol terminates a C statement?

• .
• ,
• ;
• }

C. ;

4.How to comment in C language?

• //Comment
• /* Comment */
• <—Comment—->
• A & B

B. /* Comment */

5.Which of the following operator takes only integer operands?

• +
• *
• /
• %

D. %

6.Pick the operator that not associates from the left?

• +
• –
• =
• <

D. <

7.In a for loop, if the condition is missing, then?

• it is assumed to be present and taken to be false
• it is assumed to be present and taken to be true
• it result in the syntax error
•  execution will be terminated abruptly

D.  execution will be terminated abruptly

8.The maximun value that an integer constant can have is ?

• -32767
• 32767
• 1.7014E+38
• -1.7014E+38

B. 32767

9.A C variable cannot start with ?

• An alphabet
• A number
•  A special symbol other than underscore
• Both (2) and (3)

D. Both (2) and (3)

10.C programs are convrted into the machine language with the help of ?

• An editor
• Compiler
• An operating system
• None of the above

B. Compiler