Answer: Option [C]

23D -> 0010 0011 1101 and 9AA -> 1001 1010 1010

So the sum of two hexadecimal numbers is 1011 1110 0111 i.e. BE7

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

Questions

6
The sum of two hexadecimal numbers 23D and 9AA gives the hexadecimal number

Answer: Option [C]

23D -> 0010 0011 1101 and 9AA -> 1001 1010 1010

So the sum of two hexadecimal numbers is 1011 1110 0111 i.e. BE7

7
When the value 37H is divide by 17H, the remainder is

Answer: Option [D]

37 H means 00110111

17 H means 00010111

On division of 37 H by 17 H the remainder is 09 H

8
The numbers in the range -23 to +31 is represented by the minimum number of bits :

Answer: Option [A]

31 can be represented by 5 bits and the 1 bit needed for sign bit.

9
The largest integer that can be represented in signed-2's complement representation using n bits is

Answer: Option [D]

2^{n}-1 is the largest integer in 2's complement representation using n bits.

10
The least negative value that the product of two 8-bit two's complement numbers can take is

Answer: Option [B]

-2^{15} is the least negative value for the two 8-bit 2's complement numbers.