PART I: Multiple choice questions.

Q$1.$ Consider the code $\{1,10\},$ which of the following statement is true?

$($A$)$ It is instantaneous.

$($B$)$ It is uniquely decodable.

$($C$)$ It is singular.

$($D$)$ None of the above.

Q$2.$ Which of the following sets of codewords could be the Huffman code for some $4$ symbol source alphabet?

$($A$)0,10,110,11$