1. Decimal 43 in hexadecimal and BCD number system is respectively ?

B2, 0100 0011

2B, 0100 0011

2B, 0011 0100

B2, 0100 0100

Answer: 2B, 0100 0011

Explanation:


2. (1111)2 in gray code represents ?

9

15

16

10

Answer: 10

Explanation:


3. (24)8 is expressed in Gray code as which one of the following ?

11000

10100

11110

11111

Answer: 10100

Explanation:


4. If (292)10 = (1204)B where B is ?

2

4

6

8

Answer: 6

Explanation:


5. What is the value of b in the conversion 1610 = 100 ?

2

8

6

4

Answer: 4

Explanation:


6. The minimum decimal equivalent of the number 11C.0 is ?

183

194

268

269

Answer: 194

Explanation:


7. The range of signed decimal numbers that can be represented by 6-bit I's complement number is ?

-31 to +31

-63 to +64

-64 to +63

32 to +31

Answer: -31 to +31

Explanation:


8. If 73x (in base x number system) is equal to 54y (in base y number system), the possible values of x and y are ?

8 and 16

10 and 12

9 and 13

8 and 11

Answer: 8 and 11

Explanation:


9. The excess-3 code is also known as ?

weighted code

cyclic redundancy code

self-complementing code

algebraic code

Answer: self-complementing code

Explanation:


10. The standard binary code for alphanumeric character is ?

ASCII

BCD

GRAY

Excess-3

Answer: ASCII

Explanation: