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190+ Principles of Programming Languages Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Mechanical Engineering , Programming Languages .

1.

Which of the following is not the part of software development phases?

A. software designing
B. software validation
C. software dependent
D. software implementation
Answer» C. software dependent
2.

Which of the following is a functional programming language?

A. c
B. c++
C. ml
D. ada
Answer» C. ml
3.

Which of the following phase of software development is associated with creation of test data ?

A. system analysis
B. design
C. coding
D. system acceptance
Answer» D. system acceptance
4.

_________ is a module based programming language

A. c
B. c++
C. ml
D. ada
Answer» D. ada
5.

Which of the following is an object oriented programming language?

A. c
B. c++
C. ml
D. ada
Answer» B. c++
6.

Which of the following is secondary memory device?

A. keyboard
B. disk
C. alu
D. all of the above
Answer» B. disk
7.

Which of the following is a true statement regarding the SDLC phases.

A. the sdlc is not iterative.
B. the life cycle is always a sequentially ordered sets of phases.
C. it is not possible to completed some activities in one phase in parallel with those of another phase.
D. the life cycle may be thought of as a circular process.
Answer» A. the sdlc is not iterative.
8.

Which step of SDLC performs cost/benefit analysis?

A. feasibility study
B. analysis
C. design
D. none of these
Answer» B. analysis
9.

The detailed study of existing system is referred to as

A. system planning
B. system analysis
C. feasibility study
D. design dfd
Answer» B. system analysis
10.

Prototyping aims at

A. end user understanding and approval
B. program logic
C. planning of dataflow organization
D. none of these
Answer» A. end user understanding and approval
11.

What is a prototype

A. mini-model of existing system
B. mini-model of proposed system
C. working model of existing system
D. none of these
Answer» A. mini-model of existing system
12.

The Logic programming technique is implemented in :

A. declarative programming
B. object oriented programming
C. functional programming
D. generic programming
Answer» A. declarative programming
13.

ALU stands for:

A. array logic unit
B. application logic unit
C. arithmetic logic unit
D. none of these
Answer» C. arithmetic logic unit
14.

The difference between memory and storage is that memory is _________ and storage is _________.

A. temporary,permanent
B. permanent,temporary
C. slow,fast
D. all of above
Answer» A. temporary,permanent
15.

Which programming languages are classified as low level languages?

A. cobol,fortran,pascal
B. prolog 2,expert systems
C. assembly languages
D. knowledge based systems
Answer» C. assembly languages
16.

Which of the following is machine independence program?

A. high level language
B. low level language
C. assembly language
D. machine language
Answer» A. high level language
17.

For specifying the syntax of a language _____________ is used.

A. context free language
B. regular expression
C. finite automata
D. none of these
Answer» A. context free language
18.

Semantic of aprogram means

A. format of a program
B. meaning of a program
C. simply content of a program
D. none of these
Answer» A. format of a program
19.

The graphical representation of syntax is represented by ___________.

A. finite diagram
B. er diagram
C. syntax diagram
D. none of these
Answer» C. syntax diagram
20.

Which one of the following is not the stage of software development?

A. requirement analysis and gathering
B. problem identification
C. software design
D. maintenance
Answer» B. problem identification
21.

The Linker __________________.

A. is similar to interpreter
B. uses source code as its input
C. it is required to create a load module
D. none of these
Answer» C. it is required to create a load module
22.

#include<stdio.h> #define count 10; void main() { printf("%d",count); }

A. 10
B. syntax error
C. 0
D. none of these
Answer» B. syntax error
23.

FORTRAN stands for:

A. free translator
B. formula translator
C. formula translation
D. free translation
Answer» B. formula translator
24.

Which is the longest scope in the following code?
#include <stdio.h>

int x;
int main()
{
int y;
fun();
return 0;
}

void fun()
{
int z;
}

A. x
B. y
C. z
D. both a and b
Answer» A. x
25.

The value of an automatic variable that is declared but not initialized will be

A. 0
B. -1
C. unpredictable
D. none of these
Answer» C. unpredictable
26.

In C, reference is declared using the symbol

A. *
B. &
C. &&
D. !
Answer» B. &
27.

The default parameter passing method used in C++ is ____________.

A. call by reference
B. call by value
C. call by name
D. none of these
Answer» B. call by value
28.

The difference between memory and storage is that memory is __________________ and storage is __________.

A. temporary, permanent
B. permanent,temporary
C. slow,fast
D. all of above
Answer» A. temporary, permanent
29.

What is relationship between reliability and failure?

A. direct relation
B. inverse relation
C. no relation
D. varying relationdepending upon the situation
Answer» B. inverse relation
30.

Language efficiency can be achieved by ___________.

A. maximum speed
B. less memory consumption
C. reusability
D. all of these
Answer» D. all of these
31.

Programming language FOTRAN stands for:

A. free translator
B. formula translator
C. formula translation
D. free translation
Answer» B. formula translator
32.

The full form of BNF is_____________.

A. beginning normal form
B. backus naur form
C. best normal form
D. none of these
Answer» B. backus naur form
33.

Semantic of a program means-

A. format of a program
B. meaning of a program
C. simply content of a program
D. none of these
Answer» B. meaning of a program
34.

What is the output of the following code?
Int main(void)
{
char name = 'P';
'P' = 10;
return 0;
}

A. name will contain value 10
B. p will contain 10
C. syntax error
D. none of these
Answer» C. syntax error
35.

Which of the following represents correct syntax for function declaration?

A. int sum(int,int);
B. int sum(int,int){}
C. int sum;
D. both a and c
Answer» A. int sum(int,int);
36.

During execution of a program the compiler demands for block of memory to operating system.This block is called as _____________.

A. code memory
B. data memory
C. runtime storage
D. none of these
Answer» C. runtime storage
37.

What is relationship between reliability and failure?

A. direct relationship
B. inverse relationship
C. no relation
D. varying relation depending upon the situation
Answer» D. varying relation depending upon the situation
38.

#include <stdio.h>
#define count 10;
void main()
{
printf("%d", count);
}

A. 10
B. syntax error
C. infinity
D. none of these
Answer» B. syntax error
39.

When variable used in the program is a whole number,then variable is stored as ___________.

A. string data type
B. integer data type
C. negative whole number
D. positive whole number
Answer» B. integer data type
40.

Class is _______.

A. template which associates code and data
B. data abstraction
C. implementation of abstract data type
D. object oriented
Answer» D. object oriented
41.

What will be the output of following code? #include <iostream> using namespace std;

int main()
{
enum color
{
blue, orange, green
};

enum fruit
{
apple, guava, orange
};

int i = 0;
for (i = blue; i <= green; i++)
printf("%d", i);
return 0;
}

A. 0 1 2
B. 1 2 3
C. syntax error
D. none of these
Answer» C. syntax error
42.

What is the output of following code?
#include <iostream>
using namespace std;
int main()
{
int I;
enum test
{
a = 1, b, c, d, e, f, g, h
};

for (i = c; i <= g; i++) cout << " " << I;
return 0;
}

A. syntax error
B. 3 4 5 6 7
C. 1 2 3 4 5
D. none of these
Answer» B. 3 4 5 6 7
43.

Which size should be used when double precision is required?

A. float
B. double
C. long double
D. none of these
Answer» B. double
44.

#include <iostream>
using namespace std;
int main()
{
float a = 22.22;
double b = 22.22;
if (a == b) cout << "Matching";
else cout << "Not Matching";
return 0;
}

A. matching
B. non matching
C. syntax error
D. none of these
Answer» B. non matching
45.

Explicit type conversion is known as_____.

A. conversion
B. casting
C. separation
D. none of these
Answer» B. casting
46.

What is the role of compiler by templates?

A. probability
B. type-safe
C. code elimination
D. allof these
Answer» B. type-safe
47.

A mathematical model with a collection of operations defined on that model is called__________.

A. data structure
B. abstract data type
C. built in data type
D. none of these
Answer» B. abstract data type
48.

What is strong type system?

A. the type system in which only built-in data types are allowed.
B. the type system in which only user defined data types are allowed.
C. a type system that guarantees not to generate type errors.
D. none of these
Answer» C. a type system that guarantees not to generate type errors.
49.

Identify the built-in data type__________________.

A. struct
B. class
C. int
D. enum
Answer» C. int
50.

What will happen if null pointer is converted to boolean___________.

A. the boolean value is evaluated to true
B. the boolean value is evaluated to false
C. errror is raised
D. none of these
Answer» B. the boolean value is evaluated to false

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