Directions: The item consists of two statements, one labelled as the ‘Assertion (A)’ and the other as ‘Reason (R)’.You are to examine these two statements carefully and select the answers to the item using the codes given below:Assertion (A): The TTL NAND gate in tristate output configuration can be used for a bus arrangement with more than one gate output connected to a common line.Reason (R): The tristate configuration has a control input, which can detach a logic level (0/1) from coming onto the bus line.

• A. Both A and R individually true and R is the correct explanation of A
• B. Both A and R are individually true but R is not the correct explanation of A
• C. A is true but R is false
• D. A is false but R is true