Question

c programming

What is a C language variable?

Select an answer:

• a number or single character

• the result of an assignment expression

• a constant value that can change

• a container for a type of data

2)

Where is a good spot to insert the newline escape sequence?

Select an answer:

• After the backslash character.

• At the end of the printf() statement, because printf() doesn't automatically append a newline.

• Anywhere in a string you want a new line of text to appear.

• After the semicolon at the end of a statement.

3)

Beyond documenting your code, how else can comments be used?

Select an answer:

• You can comment out part of the code.

• They can be used for pretty decorations.

• They can help link other source code files without compiling them directly.

• You can offer instructions to the precompiler.

4)

C language statements end with a _____.

Select an answer:

• period

• semicolon

• Enter key press (newline)

• set of curly brackets or braces

5)

What is the advantage of an IDE?

Select an answer:

• The IDE offers a fancy editor with highlighting and other useful features.

• It provides a central location for all programming activities.

• The IDE helps compile and link your code.

• The IDE is best used for larger projects or when you need to debug your code.

Answer 1

1) a container for type of data

Explanation:

Variable in C is a container for type of data.

Each variable in C has a specific data type, which determines the size and layout of the variable's memory; the range of values that can be stored within that memory; and the set of operations that can be applied to the variable.

s.no	Type & Description
1	char Typically a single octet(one byte). This is an char type.
2	int The most natural size of integer for the machine.this is an integer type
3	float A single-precision floating point value.
4	double A double-precision floating point value.
5	void Represents the absence of type.

2) at the end of printf() statement ,because printf() statement doesn't automatically adds a new line

Explanation:

"\n" is used to add or append a new line at the end of printf() statement.

3) you can comment out part of the code

Explanation:

two types of comments are available in c

single line comment starts with // .

multi line comments starts and ends with /*..............*/

4) semicolon

Explanation:

C language statements end with a ; as a terminator for each statement.

5) idea helps to compile and link your code

Explanation:

IDE has built-in compiler and linker, which can be invoked with clicks from IDE

// Code to copy

// demo c program

#include<stdio.h>
int main(){
   // single line commnet
   int n;
   n=10;
   char ch;
   ch='A';
   /* printing
   integer type
   char type variables using new line character*/
   printf("%d\n",n);
   printf("%c",ch);
   return 0;
}