4 Please

. How many addresses are there in 16 bits. 2. What is the largest signed integer that can fit in 8 bits 3. Explain the difference between a combinational and a sequential circuit. 4 Explain how memory size is measured. 5. What is a word of memory? 6. Explain the difference between serial and parallel transfer of data. 7. Explain what a virtual address is and how it differs from a physical address and how one is calculated from the other