Quiz 2 on Data Structure and Algorithm online

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

C is a which level language.?

Low Level

High Level

Low + High

None

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

Choose a correct C Statement using IF Conditional Statement.

If( condition ) { //statements; }

If( condition ) { //statements; } else { //statements; }

If( condition1 ) { //statements; } else if( condition2) { //statements; } else { //statements; }

All the above.

What is the output of the C Program.?

Yes

Hurray.. (new line) Yes

Hurray..Yes

Compiler error

What is the output of the C Program.?

England

Hurray..

Compiler error for missing else

None of the above

__________ 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

Which of the following is not an example of arithmetic operator symbol in C.

Which of the following symbol represents Logical OR in C?

Which of the following symbol represents left shift in C?

Which of the following assignment operator in C is used to divides left operand with the right operand and assigned the result to the left operand

The if statement may be implemented in different forms depending on the complexity of conditions to be tested which of the following is not included in decision makign?

Nested for

If....else statement

Simple if statement

Using else if statement

In Simple if statement If the expression returns true, then the statement-inside will be executed, otherwise statement-inside is skipped and only the statement-outside is executed.

True

False

In if statement, a single statement cannot be included without enclosing it into curly braces { ... }

True

False

Switch statement is a control statement that allows us to choose only one choice among the many given choices.

True

False

In Switch statement we use those expressions to evaluate switch case, which may return floating point values or strings or characters.

True

False

In Switch case statement in C default case is executed when none of the mentioned case matches the switch expression.

True

False

In any programming language including C, ________ are used to execute a set of statements repeatedly until a particular condition is satisfied.

Loops

Switch

Case

Return

The following are types of loops except for one which is?

For

While

Do while

Switch

The following are parameters in a loop except for one which is?

Return

Initialization

Condition

Incrementation/decrementation

In for loop we have exactly two semicolons, one after initialization and second after the condition.

True

False

When break statement is encountered inside a loop, the loop is immediately exited and the program continues with the statement immediately following the loop

True

False

Which of the following symbol should be used to increment a value by 1

None of the choices

Which of the following symbol should be used to decrement a value by 1

-1

The expression causes the control to go directly to the test-condition and then continue the loop process.

Break

Continue

Default

Loop

Quiz 2 on Data Structure and Algorithm online

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