12th Class Computer Science Chapter 9 Short Questions with Answers Online Preparation

Question # 1

Differentiate between string constant and character constant .

Ans 1: String Constant : String constant are always enclosed in double quotes.'A'or '?' . A Character constant has an equivalent integer value
.
Ans 2: Character Constant : Character Constant are enclosed in apostrophes (single quotation marks). "ABC" or %d\n\n . A single -character string constant does not have an equivalent integer value.

Question # 2

List three names of functions used for charter input.

Ans 1: The data type char is used to represent a letter, number.A char type variable occupies 1 byte in memory and can represent
Individual characters such as 'a' ,'x' '5', and '#' etc. (The character '5' is manipulated quite differently than the integer 5 in the computer, so one should not consider both the same. We shall thoroughly discuss the topic in next chapter).In C,a character is expressed as enclosed in apostrophes such as 'a'.'e','i','o'. And 'u' etc.

Question # 3

Define compound assignment statement.

Ans 1: Compound Assignment Statement: The statement in which we used compound assignment operators is called compound assignment statement

Question # 4

Define Variables.

Ans 1: Variables : Variables are named memory location (Memory cells), which are used to store programs input data and its computational results during program execution. Variables must not be matched with keywords or reserved words.
Example :
- Salary
- X
- Number
- Y

Question # 5

Write C statement to print the value of unsigned long x.

Ans 1: Statement to print the value of unsigned long x:

Unsigned long n;
Printf("%",n);

Question # 6

Differentiate between constant and variable?

Ans 1: Constant: A constant is a quantity whose value cannot be changed during program execution.
Ans 2: Variable : A Variable is a quantity whose value can be changed during program execution.

Question # 7

What is the use of AND logical operator?

Ans 1: AND Operator: Logical operator & (logical AND) when combine two conditions , evaluates to true if both the condition are true ,otherwise it evaluates to false.
Example: Suppose, if the salary of an employee in an organization is less than Rs.10000 and he/she is married than he/she will be given an additional relief allowance. In a C program, let we have two variables; Salary (an int type variable and status) a char type variable representing the marital status of the employee. To evaluate this condition , we can use the && operator:

Question # 8

Identify the errors in the following lines:

Ans 1: Integer A= 2+3 ;
Float B =5;
int C = A+B
Errors in the Lines :
1. Integer A =2+3
2. If we want to store a value in integer variable we should write int instead of integer in this line integer is written which is an error
3. Float B =5;
4. If the data type is float then value must be in point but in this line an integer value is assigned to float variable which is an error
5. Int C = A+B;
6. A is an integer variable and B is a float variable, integer can be added in float but its answer cannot be stored in an integer and in this line the answer of integer and float variable is stored in integer variable which is an error.

Question # 9

What is Character constant .

Ans 1: A character constant is a single alphabet, a single digit or a single symbol enclosed within apostrophes e.g, A' is a valid Character constant e.g 'A', 'I' '5' '=' etc. The maximum length of a character constant is 1 character.

Question # 10

List any four types of operations in C.

Ans 1: There are four following types of Operators in C:
1. Arithmetics Operators
2. Relational Operators
3. Logical Operators
4. Assignment Operators

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ICS Part 2 Computer Science Chapter 9 Short Questions Test With Answer

Online Short Questions For Chapter 9 "ICS Part 2 Computer Science Chapter 9 Short Questions Preparation "

Computer Science - ICS Part 2 Computer Science Chapter 9 Short Questions Preparation

Differentiate between string constant and character constant .

List three names of functions used for charter input.

Define compound assignment statement.

Define Variables.

Write C statement to print the value of unsigned long x.

Differentiate between constant and variable?

What is the use of AND logical operator?

Identify the errors in the following lines:

What is Character constant .

List any four types of operations in C.

Prepare Complete Set Wise Questions For Chapter 9 "ICS Part 2 Computer Science Chapter 9 Short Questions Preparation "

Set 1

Set 2

Set 3

Set 4

ICS Part 2 Computer Science Chapter 9 Short Questions Preparation - Set 1

Differentiate between string constant and character constant .

List three names of functions used for charter input.

Define compound assignment statement.

Define Variables.

Write C statement to print the value of unsigned long x.

Differentiate between constant and variable?

What is the use of AND logical operator?

Identify the errors in the following lines:

What is Character constant .

List any four types of operations in C.

ICS Part 2 Computer Science Chapter 9 Short Questions Preparation - Set 2

Trace the output.Int number = 6;Int x= 0;X =-- number ;Printf ("%d",x);

What is compound assignment operator?

Differentiate between Unary and binary operator.

What is the use of assignment statement ?

What do you mean by Case Sensitive in C-Language ?

Differentiate between constant and variable?

Identify the errors in the following lines:

What is identifier ?

Trace the output:Int n = 6;N++;Printf ("%,n");

What is a Relational Operators?

ICS Part 2 Computer Science Chapter 9 Short Questions Preparation - Set 3

List any four types of integer data in C-Language.

Trace the output in the following code.Int x =10 y =15;X=x++;Y= ++y;Prontf ("%d%d",x,y);

Differentiate between constant and variable?

Define Expression with Example?

What is a Relational Operators?

Differentiate between string constant and character constant .

What is Character constant .

Identify the errors in the following lines:

Define Data Type.

Writes any two rules for naming Variables.

ICS Part 2 Computer Science Chapter 9 Short Questions Preparation - Set 4

What do you Know about C statement ?

What is assignment operator ?

Predict the output of the following code:Int number =6;++ number;Printf ("%d\n", number);

Trace the output.Int number = 6;Int x= 0;X =-- number ;Printf ("%d",x);

List Type of identifier?

Identify the errors in the following lines:

Define Data Type.

Differentiate between constant and variable?

Define Constant .

List three names of functions used for charter input.

12th Computer Science Chapter 9 Preparation

Trace the output.
Int number = 6;
Int x= 0;
X =-- number ;
Printf ("%d",x);

Trace the output:
Int n = 6;
N++;
Printf ("%,n");

Trace the output in the following code.
Int x =10 y =15;
X=x++;
Y= ++y;
Prontf ("%d%d",x,y);

Predict the output of the following code:
Int number =6;
++ number;
Printf ("%d\n", number);

Trace the output.
Int number = 6;
Int x= 0;
X =-- number ;
Printf ("%d",x);