Digital Electronics Objective Questions – Set 11

The binary number 110011.11 is equivalent to decimal number

What is the 2’s complement of 10110000?

(FE35)₁₆ XOR (CB15)₁₆ is equal to

Which of the following is 2’s complement of +12?

In signed magnitude representation, the binary equivalent of 22.5625 is (the bit before comma represents the sign)

Which is typically the longest: bit,byte,nibble,word?

A new Binary Coded Pantry (BCP) number system is proposed in which every digit of a base-5 number is represented by its corresponding 3-bit binary code. For example, the base-5 number 24 will be represented by its BCP code 010100. In this numbering system,the BCP code 100010011001 corresponds to the following number in base-5 system

Statement(A): 2’s complement arithmetic is preferred in digital computers. Statement(R):The Hardware required to obtain the 2’s complement of a number is simple.

The 1’s complement of 11010111 is

To get an excess-3 code from BCD code

Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

The decimal number 0.246 in binary is

The binary equivalent of hexadecimal number 4F2D is

A group of four bits is known as

If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

The hex address of the 256th memory location is

AND operation of (79)₁₀ & (-56)₁₀ is

Consider the following multiplication: (10w1z) × (15)₁₀ = (y01011001)₂ Which one of the following gives appropriate values of w,y and z?

Which of the following is 1’s complement representation of +57

F’s complement of (2BFD)_Hex is

The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

The minimum decimal equivalent of the number 11C is

What is the gray code for the binary 101011?

A number system with radix 2 is known as

The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

Which of the following is 1’s complement representation of -34?

Which of the following notations have two representations of zero? (I) 1’s complement with radix of number being 2 (II) 7’s complement with radix of number being 8 (III) 9’s complement with radix of number being 10 (IV) 10’s complement with radix of number being 10 Select the correct answer using the codes given below:

The decimal equivalent of hexadecimal number of 2A0F is

What are the values of R1 and R2 respectively in the expression (235)_R1 = (565)₁₀ = (1065)_R2

To add two m-bit numbers, the required number of half adder is