# Computer Fundamentals Questions and Answers – Data Types

This set of Computer Fundamentals Multiple Choice Questions & Answers (MCQs) focuses on “Data Types”.

1. Which of the following is not a data type?
a) Symbolic Data
b) Alphanumeric Data
c) Numeric Data
d) Alphabetic Data

Explanation: Data types are of three basic types: Numeric, Alphabetic and Alphanumeric. Numeric Data consists of only numbers.
Alphabetic Data consists of only letters and a blank character and alphanumeric data consists of symbols.

2. *@Ac# is a type of ________________ data.
a) Symbolic
b) Alphanumeric
c) Alphabetic
d) Numeric

Explanation: Alphanumeric data consists of symbols. Alphanumeric data may be a letter, either in uppercase or lowercase or some special symbols like #,^,*,(, etc.

3. Which of the following is not a valid representation in bits?
a) 8-bit
b) 24-bit
c) 32-bit
d) 64-bit

4. What are the entities whose values can be changed called?
a) Constants
b) Variables
c) Modules
d) Tokens

Explanation: Variables are the data entities whose values can be changed. Constants have a fixed value. Tokens are the words which are easily identified by the compiler.

5. Which of the following is not a basic data type in C language?
a) float
b) int
c) real
d) char

Explanation: There are 5 basic data types in C language: int, char, float, double, void.
Int is for the representation of integers, char is for strings and characters, float and double are for floating point numbers whereas void is a valueless special data type.

6. BOOLEAN is a type of data type which basically gives a tautology or fallacy.
a) True
b) False

Explanation: A Boolean representation is for giving logical values. It returns either true or false. If a result gives a truth value, it is called tautology whereas if it returns a false term, it is referred to as fallacy.

7. What does FORTRAN stands for?
a) Formula Transfer
b) Formula Transformation
c) Formula Translation
d) Format Transformation

Explanation: FORTRAN is a type of computer language. It was developed for solving mathematical and scientific problems. It is very commonly used among the scientific community.

8. The program written by the programmer in high level language is called _____________
a) Object Program
b) Source Program
c) Assembled Program
d) Compiled Program

Explanation: The program written by the programmer is called a source program. The program generated by the compiler after compilation is called an object program. The object program is in machine language.

9. A standardized language used for commercial applications.
a) C
b) Java
c) COBOL
d) FORTRAN