ASCII stands for:
American Standard Code for Information Interchange (ASCII) is a character encoding standard that assigns a unique numerical value to every character (letters, numbers, punctuation marks, etc.) used in computers and electronic communication.
The other options are not accurate:
A. American Standard Conduct for Information Interchange: While there might be standards for information exchange, "Conduct" isn't typically used in this context.
B. Armenia Standard Code for Information Interchange: There's no widely known standard named specifically for Armenia.
D. None of these
Dhaka formerly called:
I can't answer this definitively without more information. Dhaka, the capital of Bangladesh, has likely had various names throughout history. You might be able to find this information through historical resources or online searches.