Fundamentals of C Language - Quiz

Before execution compiler converts high-level program into machine language program, the machine language program is called

ASource program
BObject program
Cexe program
DNone of this

C is ________________.

ASystem Programming
BApplication Programming
CBoth A and B
DNeither A nor B

Write a function to swaps the values of two integers.

ANo solution exist.
BSolution need 2 extra variables
CSolution exist without any extra variables
D Solution need 1 extra variable

Which of the following language is predecessor to C Programming Language?

AA
BBTYU
CBCPL
DC++

C was developed in the year ___

A1970
B1972
C1976
D1975

Which of the following symbol is used to denote a pre-processor statement?

What is the output of the following C code?


#include <stdio.h>

int main() {
    int x = 5;
    printf("%d", x++);
    return 0;
}

A5
B6
C4
DThe code will result in a compile error

What is the output of the following C code?


#include <stdio.h>

int main() {
    int i = 0;
    while (i < 5) {
        printf("%d ", i);
        i++;
    }
    return 0;
}

A0 1 2 3 4
B1 2 3 4 5
C5 4 3 2 1
DThe code will result in an infinite loop

What is the output of the following C code?


#include <stdio.h>

int main() {
    int arr[] = {1, 2, 3, 4, 5};
    printf("%d", *(arr + 2));
    return 0;
}

Who is the creator of the C programming language?

A James Gosling
B Dennis Ritchie
C Bjarne Stroustrup
D Ken Thompson

Results:
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Q: Before execution compiler converts high-level program into machine language program, the machine language program is called

A. Source program
B. Object program
C. exe program
D. None of this

Correct Option: B
Remarks:

Explanation:

Answer: Object program

A source program is a text file that contains instructions written in a high level language. It can not be executed (made to run) by a processor without some additional steps. A source program is also called a source file, source code, or sometimes, just source.

A source program is a collection of instructions written using a programming language, while an object program is an output generated after compiling the source program.

An EXE file contains an executable program for Windows. EXE is short for "executable," and it is the standard file extension used by Windows programs. For many Windows users, EXE files are synonymous with Windows programs, making ".exe" one of the most recognizable file extensions.

Q: C is ________________.

A. System Programming
B. Application Programming
C. Both A and B
D. Neither A nor B

Correct Option: C
Remarks:

Explanation:

Both A and B

System programming involves designing and writing computer programs that allow the computer hardware to interface with the programmer and the user, leading to the effective execution of application software on the computer system.

An application program is a comprehensive, self-contained program that performs a particular function directly for the user. Among many others, application programs include:

Email
Web browsers
Games
Word processors
Enterprise software
Accounting software
Graphics software
Media players
Database management

Because every program has a particular application for the end user, the term "application" is used. For instance, a word processor can help the user create an article, whereas a game application can be used for entertainment.

An application program is also known as an application or application software.

Q: Write a function to swaps the values of two integers.

A. No solution exist.
B. Solution need 2 extra variables
C. Solution exist without any extra variables
D. Solution need 1 extra variable

Correct Option: C
Remarks:

Explanation: Solution c Solution exist without any extra variables

void swap(int a, int b)
{
int c;
c=a;
a=b;
b=c;
}

void swap (int a, int b)
{

a=a+b;

b=a-b;

a=a-b;

}

Solution2 is the best solution since no extra variable is required.

Q: Which of the following language is predecessor to C Programming Language?

A. A
B. BTYU
C. BCPL
D. C++

Correct Option: C
Remarks:

Explanation: BCPL

Q: C was developed in the year ___

A. 1970
B. 1972
C. 1976
D. 1975

Correct Option: B
Remarks:

Explanation: 1972

Q: Which of the following symbol is used to denote a pre-processor statement?

A. !
B. #
C. ~
D. ;

Correct Option: B
Remarks:

Explanation: #

Q: What is the output of the following C code?


#include <stdio.h>

int main() {
    int x = 5;
    printf("%d", x++);
    return 0;
}

A. 5
B. 6
C. 4
D. The code will result in a compile error

Correct Option: A
Remarks:

Explanation:

Answer: A

Explanation: The value of x is first printed using printf, and then incremented by the ++ operator. Therefore, the output will be 5.

Q: What is the output of the following C code?


#include <stdio.h>

int main() {
    int i = 0;
    while (i < 5) {
        printf("%d ", i);
        i++;
    }
    return 0;
}

A. 0 1 2 3 4
B. 1 2 3 4 5
C. 5 4 3 2 1
D. The code will result in an infinite loop

Correct Option: A
Remarks:

Explanation:

Answer: A

Explanation: The while loop continues to execute as long as i is less than 5. Inside the loop, the value of i is printed using printf, and then incremented by 1. Therefore, the output will be "0 1 2 3 4".

Q: What is the output of the following C code?


#include <stdio.h>

int main() {
    int arr[] = {1, 2, 3, 4, 5};
    printf("%d", *(arr + 2));
    return 0;
}

A. 1
B. 2
C. 3
D. 4

Correct Option: C
Remarks:

Explanation:

Answer: C

Explanation: The expression *(arr + 2) is equivalent to arr[2], which accesses the third element of the arr array. Therefore, the output will be 3.

Q: Who is the creator of the C programming language?

A. James Gosling
B. Dennis Ritchie
C. Bjarne Stroustrup
D. Ken Thompson

Correct Option: B
Remarks:

Explanation:

Dennis Ritchie created the C programming language while working at Bell Labs in the 1970s.

The C programming language was created by Dennis Ritchie. Dennis Ritchie was an American computer scientist born on September 9, 1941, in Bronxville, New York. Along with Ken Thompson, Ritchie developed the C programming language at Bell Labs (AT&T's Bell Telephone Laboratories) in the early 1970s.

The development of C was closely tied to the creation of the Unix operating system, which also originated at Bell Labs. C was designed to provide a high-level programming language that allowed for efficient system programming, making it well-suited for developing the Unix operating system.

Dennis Ritchie's work on C and Unix had a profound impact on the field of computer science. The C programming language became widely adopted and influenced the development of many subsequent programming languages. Additionally, Unix became a highly influential operating system, with its design principles influencing the development of other operating systems.

Dennis Ritchie passed away on October 12, 2011, but his contributions to computer science and programming continue to be celebrated, and his legacy lives on through the widespread use of the C programming language.

Fundamentals of C Language - Quiz

Before execution compiler converts high-level program into machine language program, the machine language program is called

C is ________________.

Write a function to swaps the values of two integers.

Which of the following language is predecessor to C Programming Language?

C was developed in the year ___

Which of the following symbol is used to denote a pre-processor statement?

What is the output of the following C code? #include <stdio.h> int main() { int x = 5; printf("%d", x++); return 0; }

What is the output of the following C code? #include <stdio.h> int main() { int i = 0; while (i < 5) { printf("%d ", i); i++; } return 0; }

What is the output of the following C code? #include <stdio.h> int main() { int arr[] = {1, 2, 3, 4, 5}; printf("%d", *(arr + 2)); return 0; }

Who is the creator of the C programming language?

What is the output of the following C code?

What is the output of the following C code?

What is the output of the following C code?