- What’s the value of the expression 5[“abxdef”]? …
- What is a built-in function in C? …
- In C, What is the #line used for? …
- How can a string be converted to a number? …
- How can a number be converted to a string? …
- Why doesn’t C support function overloading?
What are the basics of C?
| C Basic commands Explanation | #include <stdio.h> This is a preprocessor command that includes standard input output header file(stdio.h) from the C library before compiling a C program | int main() This is the main function from where execution of any C program begins. |
|---|
What are the basic programming questions asked in interview?
- Q #1) How can you reverse a string?
- Q #2) What is a palindrome string?
- Thus palindrome string is the one which on reversing remains the same, for example, – ‘madam’ is a palindrome string.
- Q #3) How to get the matching characters in a string?
What is getch () for?
getch() method
pauses the Output Console until a key is pressed
. It does not use any buffer to store the input character. The entered character is immediately returned without waiting for the enter key. … The getch() method can be used to accept hidden inputs like password, ATM pin numbers, etc.
What are the C programs asked in interview?
C programs are frequently asked in the interview. These programs can be asked from
basics, array, string, pointer, linked list, file handling etc
. Let’s see the list of c programs.
What is scanf () in C?
In the C programming language, scanf is
a function that reads formatted data from stdin
(i.e, the standard input stream, which is usually the keyboard, unless redirected) and then writes the results into the arguments given.
What are the keywords in C?
| auto else long | case extern return | char float short | const for signed | continue goto sizeof |
|---|
What is C used for today?
C is highly portable and is used for
scripting system applications
which form a major part of Windows, UNIX, and Linux operating system. C is a general-purpose programming language and can efficiently work on enterprise applications, games, graphics, and applications requiring calculations, etc.
Which type of language is C?
C (/ˈsiː/, as in the letter c) is a
general-purpose, procedural computer programming language
supporting structured programming, lexical variable scope, and recursion, with a static type system. By design, C provides constructs that map efficiently to typical machine instructions.
What is a good coding question?
Here are some of the popular array-based coding interview questions for your practice: How do
you find the missing number in a given integer array of 1
to 100? How do you find the duplicate number on a given integer array? How do you find the largest and smallest number in an unsorted integer array?
What are basic coding questions?
- What is the difference between coding and programming? …
- Do I have to be good at math to be a developer? …
- What are HTML and CSS? …
- What’s the difference between a designer and a developer? …
- What computer program do people use to write code?
What is a whiteboard interview?
Whiteboard interviews are
a style of interview question that assesses both the technical and non-technical skills of a potential hire
. They can either be a specific algorithm and data structure problem, or they can be a more abstract systems design and architecture-based question.
What is full form Getch?
The getch() function basically stands for ‘
get character
‘. As one would understand from the title, getch() gets a character from the user. The getch() function is usually used to hold the output screen until the user presses on the keyboard, i.e. the case of pressing any key to continue.
Why Clrscr is used in C?
clrscr()
clears the console screen
. It is predefined function in the conio. h file. It clears the output of previously executed program from the the consol.
What is printf () in C?
1. printf() function in C language: In C programming language, printf() function is
used to print the (“character, string, float, integer, octal and hexadecimal values”)
onto the output screen. We use printf() function with %d format specifier to display the value of an integer variable.
What is printf () and scanf in C?
printf() and scanf() in C
The printf() and scanf() functions are
used for input and output in C language
. Both functions are inbuilt library functions, defined in stdio.h (header file).
