ICSE Class 11 Computer Applications by Pavan | Practice Test to Test Your Knowledge
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ICSE Class 11 Computer Applications

ICSE Class 11 Computer Applications

Comprehensive mock test on Programming Fundamentals, Database concepts, and Web Technologies. Features coding exercises and theoretical questions.

2025-07-19
Pavan Pavan
ICSE Class 11 Grade 11 Computer Application

Duration

30 min

Questions

30

Marking

Negative

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Questions Preview

Which of the following is the base of the binary number system?

A
2
B
8
C
10
D
16

What is the decimal equivalent of the binary number 1011?

A
11
B
10
C
12
D
9

Which of the following is the base of the hexadecimal number system?

A
8
B
16
C
10
D
2

What is the hexadecimal equivalent of the decimal number 255?

A
FF
B
F0
C
FF0
D
BB

What is the binary equivalent of the octal number 17?

A
1111
B
1101
C
1011
D
1001

What is the process of converting a binary number to a decimal number?

A
Multiply each digit by its corresponding power of 2 and sum them
B
Add the binary digits together
C
Subtract each digit from the next
D
Divide the binary number by 2 repeatedly

How do you convert a hexadecimal number 2A into binary?

A
101010
B
110110
C
100010
D
101100

Which of the following is the correct addition of two binary numbers: 1011 + 1101?

A
11000
B
11100
C
10000
D
10001

What is the result of the binary subtraction: 1010 - 0111?

A
0011
B
0101
C
1111
D
0001

What is the decimal equivalent of the hexadecimal number A3?

A
163
B
101
C
143
D
193

What is the binary equivalent of the decimal number 14?

A
1110
B
1011
C
1101
D
1001

How do you perform binary addition with a carry?

A
If both digits are 1, write 0 and carry 1 to the next digit
B
Simply add the digits without carrying
C
Carry is used only when the result is 0
D
There is no carry in binary addition

What is the result of binary addition: 1101 + 0110?

A
10111
B
10011
C
11100
D
10000

What is the result of the binary subtraction: 11010 - 1011?

A
01001
B
01111
C
10011
D
11100

What is the result of the hexadecimal addition: 1F + 23?

A
42
B
5C
C
3E
D
4A

Which of the following operations does NOT require conversion between bases?

A
Addition of two numbers in the same base
B
Subtraction of two numbers in the same base
C
Multiplication of two numbers in different bases
D
Conversion of a number from binary to decimal

Which algorithm is used to convert a binary number to hexadecimal?

A
Group the binary digits into groups of four from right to left and convert each group to its hexadecimal equivalent
B
Divide the binary number by 16 and take the remainder
C
Convert the binary to decimal and then to hexadecimal
D
Add the binary digits and then convert to hexadecimal

Which of the following is the result of the binary addition: 1111 + 1101?

A
11000
B
10110
C
10100
D
11111

What is the difference between the binary numbers 10101 and 1100?

A
10101 - 1100 = 111
B
10101 - 1100 = 10001
C
10101 - 1100 = 1010
D
10101 - 1100 = 1110

Which of the following is the result of the binary subtraction: 1101 - 1001?

A
100
B
110
C
111
D
101

What is the result of adding 10101 (binary) and 1001 (binary)?

A
11110
B
11000
C
100000
D
11011

How do you convert an octal number to binary?

A
Convert each octal digit to its binary equivalent
B
Divide the octal number by 2 repeatedly
C
Multiply each octal digit by its position value
D
Convert the octal number to decimal and then to binary

What is the decimal equivalent of the binary number 101010?

A
42
B
45
C
40
D
50

Which of the following is true when performing binary addition?

A
Carry is added when the sum of two digits is 2 or greater
B
Carry is added when the sum of two digits is 3 or greater
C
Carry is added only in decimal addition
D
Carry is never added in binary addition

What is the result of adding the binary numbers 1100 and 1011?

A
10111
B
11101
C
10110
D
11001

Which of the following algorithms is used to convert a decimal number to binary?

A
Divide the decimal number by 2 and record the remainders
B
Multiply the decimal number by 2 and record the results
C
Divide the decimal number by 10
D
Add each digit to its corresponding power of 2

What does the concept of 'carry' in binary addition mean?

A
When the sum of two digits exceeds the base (2 for binary), a carry is passed to the next digit
B
Carry only applies in decimal addition
C
Carry is the sum of digits without carrying over
D
Carry applies only in hexadecimal addition

What is the result of the binary addition: 1110 + 1011?

A
11001
B
11101
C
10111
D
10001

What is the result of subtracting 1100 from 10101 in binary?

A
10001
B
10010
C
11110
D
11000

Which of the following is the result of the binary addition: 1101 + 1001?

A
10100
B
10010
C
11110
D
11011