Digital Electronics Quiz

What is the value of K in the given number system expression? (347)16 =(3515)x

• 6

• 7

• 5

• 4

Which of the following codes is also known as unit distance code?

• Gray code

• One bit change code

• Reflected binary code

• Binary code

The 2's complement of the number 1101101 is:

• 11010

• 1101110

• 1111 1000

• 0110010

Which of the following binary numbers could be referred to as a nibble?

• 1001

• 10

• 1111

• 1100

Convert the hexadecimal number (A72E.BF85)16 into the octal number system.

• (123456.577024)%

• (234156.577024)%

• (123456.577024)%

• (112346.572024)%

The octal equivalent of (245)o is:

• (360)

• (365)

• (563)

• (245)

Convert 128 decimal number to binary.

• 100000

• 10000000

• 10010100

• 1000001

Find the excess -3 code for decimal 12:

• 01010100

• 0010010

• 0001 1010

• 01000101

Two's complement of a certain binary number 11100101.

• 0001 1011

• Indeterminate from given data

• 1

• 8

What is the radix of binary number?

• 5

• 4

• 4