1. 0110 in binary form can be written as ... . in decimal form ?

4

6

5

7

Answer: 6

Explanation:


2. The octal representation of 195.25 is ?

(323.20)8

(303.20)8

(313.120)8

(303.02)8

Answer: (303.20)8

Explanation:


3. (100101)2, is equal to decimal number ?

47

21

37

17

Answer: 37

Explanation:


4. Number of bits needed to code 256 operations is ?

4

8

6

16

Answer: 8

Explanation:


5. The binary representation number 45.25 is ?

(101101.01)2

(101010.01)2

(101101.10)2

(1010101.10)2

Answer: (101101.01)2

Explanation:


6. The 2's complement of the binary number (11001100), is ?

(00110100)2

(00110000)2

(00110011)2

(11110100)2

Answer: (00110100)2

Explanation:


7. Hexadecimal equivalent of binary number 1010 is ?

A

C

1011

1100

Answer: A

Explanation:


8. In Binary Coded Decimal (BCD) systems, the decimal number 81 is represented as ?

10000001

01010001

10100010

00011000

Answer: 10000001

Explanation:


9. The value of the binary 11111 is ?

2-1

2^5

2^4

2^(5)-1

Answer: 2^(5)-1

Explanation:


10. (407) in Hexadecimal ?

(107)16

(017)16

(701)16

(710)16

Answer: (107)16

Explanation: