Quiz 1 in Data Structure and Algorithm

Who is the father of C language?

Dennis Ritchie

Steve Jobs

James Gosling

Rasmus Lerdorf

Which of the following is not a valid C variable name?

Int number;

float rate;

Int variable_count;

Int $main;

All keywords in C are in ____________

LowerCase letters

UpperCase letters

CamelCase letters

None of the mentioned

Which of the following is true for variable names in C?

They can contain alphanumeric characters as well as special characters

Variable names cannot start with a digit

It is not an error to declare a variable to be one of the keywords(like goto, static)

Variable can be of any length

High level language is a .?

Language which is difficult to understand and not human readable.

Language with big program size.

Language with small program size.

Human readable like language.

Which program outputs "Hello World.." .?

Main() { scan("Hello World.."); }

Main() { print("Hello World.."); }

Main() { printf("Hello World.."); }

Main() { scanf("Hello World.."); }

C language was invented in which laboratories.?

Uniliver Labs

IBM Labs

AT&T Bell Labs

Verizon Labs

C language was invented to develop which Operating System.?

Android

Linux

Ubuntu

Unix

A C program is a combination of.?

Statements

Functions

Variables

All of the above

Which is valid C expression?

Int my_num = 100,000;

Int my_num = 100000;

Int my num = 1000;

Int $my_num = 10000;

Which of the following cannot be a variable name in C?

Volatile

True

friend

Export

What is an example of iteration in C?

For

While

Do-while

All of the mentioned

Correct way of commenting a single line is.?

/*printf("Hello C.."); printf("How are you.");

//printf("Hello C.."); printf("How are you.");

/*printf("Hello C.."); printf("How are you.");*/

/printf("Hello C..");/ printf("How are you.");

What is an Identifier in C Language.?

Name of a Function or Variable

Name of a Macros

Name of Structure or Union

All the above.

Choose correct statements

A constant value does not change. A variable value can change according to needs.

A constant can change its values. A variable can have one constant value only.

There is no restriction on number of values for constants or variables.

Constants and Variables can not be used in a singe main function.

Find a Floating Point constant.

12.3E5

12e34

125.34857

All the above.

Choose a right statement.

Int myage = 10; int my_age = 10;

Int myage = 10; int my,age = 10;

int myage = 10; int my age = 10;

All are right

Each statement in a C program should end with.?

Semicolon ;

Colon :

Period . (dot symbol)

None of the above.

What is the other name for C Language ?: Question Mark Colon Operator.?

Comparison Operator

If-Else Operator

Binary Operator

Ternary Operator

Choose a syntax for C Ternary Operator from the list.

Condition ? expression1 : expression2

condition : expression1 ? expression2

Condition ? expression1 < expression2

Condition < expression1 ? expression2

Choose a correct statement regarding C Comparison Operators.

(x == y) Is x really equal to y. (x != y) Is x not equal to y.

(x < y) Is x less than y (x > y) Is x greater than y

X <= y) Is x less than or equal to y. (x >= y) Is x greater than or equal to y

All the choices

__________ are reserved words that have special meaning in the C language.

Keywords

Variables

Comments

Syntax

In C language _______ are the names given to variables, constants, functions, and user-defined data.

identifiers

Keywords

Variables

Syntax

Quiz 1 in Data Structure and Algorithm

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