- Aint ;a5;
- Bint _a4;
- Cint #a6;
- Dint @a2;
Variable in C Language - Quiz
- Aint a;
- Bint a_5;
- Cint _g;
- Dint 6_d;
- AUpperCase letters
- BLowerCase letters
- CCamelCase letters
- DNone
- Ano bit is reserved for sign
- Brightmost bit is reserved for sign
- Cleftmost bit is reserved for sign
- DNone
- AOS
- BEditor
- CCompiler
- DNone
- Aint
- Bfloat
- Cchar
- Dreal
- AVariable names cannot start with a digit
- BThey can contain alphanumeric characters as well as special characters
- CVariable can be of any length
- DIt is not an error to declare a variable to be one of the keywords(like goto, static)
- A8 characters
- B16 characters
- C32 characters
- DThere is no limit
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Variable in C Language - Quiz
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- A. int ;a5;
- B. int _a4;
- C. int #a6;
- D. int @a2;
Remarks:
Explanation:
Variable name can start with only two special characters, which are _(underscore) and $(doller).
- A. int a;
- B. int a_5;
- C. int _g;
- D. int 6_d;
Remarks:
Explanation:
Variable name cannot start with a digit.
- A. UpperCase letters
- B. LowerCase letters
- C. CamelCase letters
- D. None
Remarks:
Explanation: <p>As C is a case-sensitive language, all keywords must be written in lowercase.</p>
<p>Keywords are predefined, reserved words in C language and each of which is associated with specific features. These words help us to use the functionality of C language. They have special meaning to the compilers.</p>
<p>There are total 32 keywords in C.</p>
<table class="table table-bordered">
<tbody>
<tr>
<td>auto</td>
<td>double</td>
<td>int</td>
<td>struct</td>
</tr>
<tr>
<td>break</td>
<td>else</td>
<td>long</td>
<td>switch</td>
</tr>
<tr>
<td>case</td>
<td>enum</td>
<td>register</td>
<td>typedef</td>
</tr>
<tr>
<td>char</td>
<td>extern</td>
<td>return</td>
<td>union</td>
</tr>
<tr>
<td>continue</td>
<td>for</td>
<td>signed</td>
<td>void</td>
</tr>
<tr>
<td>do</td>
<td>if</td>
<td>static</td>
<td>while</td>
</tr>
<tr>
<td>default</td>
<td>goto</td>
<td>sizeof</td>
<td>volatile</td>
</tr>
<tr>
<td>const</td>
<td>float</td>
<td>short</td>
<td>unsigned</td>
</tr>
</tbody>
</table>
- A. no bit is reserved for sign
- B. rightmost bit is reserved for sign
- C. leftmost bit is reserved for sign
- D. None
Remarks:
Explanation:
In case of ordinary int variables leftmost bit is reserved for sign.
- A. OS
- B. Editor
- C. Compiler
- D. None
Remarks:
Explanation:
C programs are converted from high level to machine level language with the help of Compiler.
Compiler: A compiler is a software program that transforms high-level source code that is written by a developer in a high-level programming language into a low-level object code (binary code) in machine language, which can be understood by the processor. The process of converting high-level programming into machine language is known as compilation.
- A. int
- B. float
- C. char
- D. real
Remarks:
Explanation:
real is not a variable type.
- A. Variable names cannot start with a digit
- B. They can contain alphanumeric characters as well as special characters
- C. Variable can be of any length
- D. It is not an error to declare a variable to be one of the keywords(like goto, static)
Remarks:
Explanation:
Variable names cannot start with a digit.
- A. 10
- C. Compile time error
- D. Linker Error
Remarks:
Explanation: Linker Error
Undefined symbol
Undefined symbol
'i'- A. 8 characters
- B. 16 characters
- C. 32 characters
- D. There is no limit
Remarks:
Explanation:
Answer: d) There is no limit
Explanation: There is no specific limit on the length of a variable name in C language. However, it is recommended to keep the variable names short and meaningful.
- A. ===
- B. ==
- C. =>
- D. =
Remarks:
Explanation:
Answer: d) =
Explanation: The symbol "=" is used for the assignment of a value to a variable in C language. For example, "x = 10;" assigns the value 10 to the variable x.