1. Registers in RISC-V will overflow when the content reaches: a. 2^64 b. Between the range: ( - 2^63 ) to ( 2^63 - 1 ) c. 2^32 d. - 2^63 e. 64 32 f. None of the above 2. For a memory that is organized as word, the total number of words that RISC-V access is: a. 2^64 b. 2^62 c. 64 d. 32 e. None of the above 3. The address range of the memory in RISC-V is given by ( in HEX):.