Codes

Which among the following are universal gates

• NAND Gate

• EXOR Gate

• EXNOR Gate

• NOT Gate

A code is said to be a unit distance code if:

• The hamming distance between successive codes is 1

• The hanning distance between successive codes is 1

• The distance between successive codes is 1

• Is determined by the bit position

Which among the following are non-weighted codes (Choose all that apply)

• Gray Codes

• Binary Codes

• Excess-3 Codes

• BCD Codes

The codeword obtained by adding 0011 to the existing binary codeword is:

• Gray Code

• BCD Code

• Excess-3 Code

• 8421 Code

NAND and NOR Gates are called universal Gates because

• They are used globally

• They are mostly implemented in all practical applications

• All logic functions can be implemented using these gates

• They are universally available

Which among the following gates is called an inequality detector

• EXOR Gate

• EXNOR Gate

• NAND Gate

• NOR Gate

NAND Gate is the logical compliment of:

• NOR Gate

• AND Gate

• OR Gate

• NOT Gate

The 1's compliment of 101100 is

• 101100

• 010011

• 011100

• 0110001

Which among the following is the BCD of 57

• 0101 0111

• 0100 0111

• 0101 0110

• 0101 0011

A full adder can be obtained by cascading two half adders

• True

• False