Computer Application Specimen Paper 2023 Sec-A Solved ICSE Class 10

Computer Application Specimen Paper 2023 Sec-A Solved ICSE Class 10.  Step by step solutions as council latest prescribe guideline of Model / Sample Question Paper.  During solutions of Computer Application Specimen Paper 2023 Sec-A we explain with labelled Figure , Graph, Table, Chart whenever necessary so that student can achieve their goal in next upcoming exam of council. Visit official website CISCE for detail information about ICSE Board Class-10.

Computer Application Specimen Paper 2023 Sec-A Solved ICSE Class 10

Board	ICSE
Class	10th (x)
Subject	Computer Application
Topic	Specimen Paper Solved
Syllabus	Revised Syllabus
Session	2022-23
Sec-B	Descriptive Type

.Warning :- Before viewing solution view Question Paper. Also visit that How CISCE Change Same Question in Different Pattern which feel a new one question while it was previous year question . Therefore a Question arise into the mind of student if CISCE Ask Repeated Question in Board Exam..?.

COMPUTER APPLICATION SPECIMEN QUESTION PAPER 

SEC-A ICSE 2023 EXAMINATION

• Time allowed: Two hours
• Answers to this Paper must be written on the paper provided separately.
• You will not be allowed to write during first 15 minutes.
• This time is to be spent in reading the question paper.
• The time given at the head of this Paper is the time allowed for writing the answers.

• Section A is compulsory. Attempt any four questions from Section B.
• The intended marks for questions or parts of questions are given in brackets [ ].

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SECTION A
(Attempt all questions from this section)

Solution of ICSE Class-10 Computer Application Specimen Paper 2023 Sec-A

Question 1:

Choose the correct answer and write the correct option.

(i) Wrapping up of data and methods together as one unit is termed as:

(a) Inheritance
(b) Polymorphism
(c) Encapsulation
(d) Abstraction

Answer: (c) Encapsulation

(ii) The data type which is specified that the method does not return a value is:

(a) Void
(b) void
(c) VOID
(d) boolean

Answer: (b) void

(iii) The logical operator which is a unary operator:

(a) &&
(b) ||
(c) !
(d) >>

Answer: (c) !

(iv) The Scanner class is a ________ class.

(a) Primitive
(b) Derived
(c) Wrapper
(d) Super class

Answer: (c) Wrapper

(v) Math.pow(625, 1 / 2) + Math.sqrt(144)

(a) 17.0
(b) 13.0
(c) 37.0
(e) 13

Answer: (b) 13.0

(vi) The correct if statement for the following ternary operation statement is:
System.out.println(n % 2 == 0? “true” : “false”);

(a) if(n % 2 == 0)
return true;
else
return false;
(b) if(n % 2 == 0)
return “true”;
else
return “false”;
(c) if(n % 2 == 0)
System.out.println(“true”);
else
System.out.println(“false”);
(d) if(n % 2 == 0)
return false;
else
return false;

Answer: (c) if(n % 2 == 0)
System.out.println(“true”);
else
System.out.println(“false”);

(vii) Multiple branching statement of Java is:

(a) For
(b) while
(c) do while
(d) switch

Answer: (d) switch

(viii) The number of bytes occupied by the constant 45 are:

(a) Four bytes
(b) Two bytes
(c) Eight bytes
(d) One byte

Answer: (a) Four bytes

(ix) do while loop is an:

(a) Entry-controlled loop
(b) Infinite loop
(c) Exit-controlled loop
(d) Finite loop

Answer: (c) Exit-controlled loop

(x) for(k = 1; k <= 2; k++){
for(m = 1; m <= 4; m++){
System.out.println(m * 2);
}
}
How many times the inner loop is executed?

(a) 4 times
(b) 8 times
(c) 2 times
(d) 16 times

Answer: (b) 8 times

(xi) A method with the same name as of the class and with arguments and no return data type is termed as:

(a) parameterized constructor
(b) default constructor
(c) non-parameterized constructor
(d) wrapper class method

Answer: (a) parameterized constructor

(xii) int res = ‘A’; What is the value of res?

(a) A
(b) 66
(c) 65
(d) 97

Answer: (c) 65

(xiii) The style of expressing single line comment is:

(a) /* comment */
(b) * comment
(c) //comment
(d) /* comment

Answer: (c) //comment

(xiv) The method to check if a character is an alphabet or not is:

(a) isLetter(char)
(b) isAlpha(char)
(c) isUpperCase(char)
(d) isLowerCase(char)

Answer: (a) isLetter(char)

(xv) The output of Double.parseDouble(“71.25”) + 0.75 is:

(a) 72
(b) 72.0
(c) 71.0
(d) 71.75

Answer: (a) 72

(xvi) The method to convert a string to uppercase is:

(a) toUpperCase(char)
(b) toUPPERCASE(String)
(c) toUpperCase(String)
(d) touppercase(String)

Answer: (c) toUpperCase(String)

(xvii) The output of the method “DETERMINATION”.substring(2, 6) is:

(a) “TERM”
(b) term
(c) “Term”
(d) “TERMI”

Answer: (a) “TERM”

(xviii) The array int x[10] occupies:

(a) 10 bytes
(b) 40 bytes
(c) 20 bytes
(d) 80 bytes

Answer: (b) 40 bytes

(xix) The element in x[4] of the array {3, 5, 7, 12, 16, 18, 20, 35, 42, 89} is:

(a) 16
(b) 12
(c) 7
(d) 18

Answer: (a) 16

(xx) Name the type of error that occurs for the following statement:

System.out.println(Math.sqrt(24 – 25));

(a) Syntax error
(b) Run-time error
(c) Logical error
(d) No error

Answer: (c) Logical error

Question 2:

(i) Evaluate the expression:

z += a++ + –b + ++a + –b;
where a = 10, b = 5, z = 10

Ans:

z = z + (a++ + –b + ++a + –b)
z = 10 + (10 + 4 + 12 + 3)
z = 10 + 29
z = 39

(ii) Write Java expression for: |x² + xy |

Ans:

Math.abs(x * x + x * y)

(iii) Rewrite the following using ternary operator:

if(x > y)
c = ‘A’;
else
c = ‘a’;

Ans:

c = (x > y)? ‘A’ : ‘a’;

(iv) Rewrite the following while loop using for loop:

int x = 5;
while(x <= 5){
x++;
}
System.out.println(x);

Ans:

int x;
for(x = 5; x <= 5; x++);
System.out.println(x);

(v) How many times the following loop will get executed? What is the output of the same?

int counter = 1;
do{
System.out.println(counter);
}while(counter++ < 5);

Ans:

The loop is executed 5 times.
Output:
1
2
3
4
5

(vi) “MISSISSIPPI”.replace(‘S’, ‘t’).toLowerCase()

Ans:

mittittippi

(vii) “REDUCE”.compareTo(“REVOLT”) + “ANTARTICA”.lastIndexOf(‘A’)

Ans:

-18 + 8 = 10

(viii) Define boxing with an example.

Ans:

Boxing is the process of convertion from primitive data type to its corresponding object wrapper class.
For example:
int a = 5;
Integer b = a;

(ix) Consider the following program and answer the following questions given below:

class Sample{
int a, b;
Sample(int x, int y){
a = x;
b = y;
}
void calculate(){
int z;
z = a + b;
System.out.println(z);
}
}
(a) Name the global variables.

Ans:

a and b are global variables.

(b) What are the method variables?

Ans:

x, y and z are method variables.

(x) Consider the following array and answer the questions given below:

int x[] = {23, 45, 67, 12, 45, 89, 24, 12, 9, 7};

(a) What is the size of the array?

Ans:

Length-wise, the size is 10.
Memory-wise, the size is 40 bytes.

(b) What is the position of 89?

Ans: 5

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