1. : What is the binary representation of the decimal number 10?
(A) 1000
(B) 1010
(C) 1100
(D) 1110
2. : What is the decimal equivalent of the binary number 1101?
(A) 11
(B) 12
(C) 13
(D) 14
3. : Which binary number corresponds to the hexadecimal number F?
(A) 1010
(B) 1101
(C) 1110
(D) 1111
4. : What is the result of adding binary numbers 1011 and 1101?
(A) 11000
(B) 10100
(C) 10010
(D) 10000
5. : What is the binary representation of the decimal number 255?
(A) 11110000
(B) 11111111
(C) 11111110
(D) 11101111
6. : Which of the following is NOT a valid binary number?
(A) 101010
(B) 110011
(C) 100210
(D) 111000
7. : What is the two’s complement of the binary number 0101?
(A) 1010
(B) 1011
(C) 1101
(D) 1110
8. : How many bits are in a byte?
(A) 4
(B) 8
(C) 16
(D) 32
9. : What is the binary equivalent of the decimal number 7?
(A) 100
(B) 101
(C) 110
(D) 111
10. : What is the result of the binary subtraction 1010 – 0101?
(A) 0011
(B) 0101
(C) 1001
(D) 0110
11. : Which binary operation is performed to check parity?
(A) AND
(B) OR
(C) XOR
(D) NOT
12. : What is the binary representation of the decimal number 20?
(A) 10100
(B) 11000
(C) 10010
(D) 11100
13. : Which of the following binary numbers represents the highest value?
(A) 101011
(B) 110010
(C) 111001
(D) 100111
14. : What is the decimal equivalent of the binary number 100101?
(A) 35
(B) 37
(C) 39
(D) 41
15. : Which binary operation is used for multiplication of binary numbers?
(A) AND
(B) OR
(C) XOR
(D) NOT
16. : What is the binary representation of the hexadecimal number A?
(A) 1000
(B) 1010
(C) 1100
(D) 1110
17. : What is the result of the binary addition 1110 + 0111?
(A) 10001
(B) 10101
(C) 11001
(D) 11101
18. : What is the most significant bit (MSB) in the binary number 10001?
(A) 0
(B) 1
(C) 8
(D) 16
19. : Which binary number represents the decimal value 3?
(A) 10
(B) 11
(C) 100
(D) 101
20. : What is the result of multiplying binary numbers 101 and 10?
(A) 1010
(B) 1100
(C) 1000
(D) 1110
