1. Explain why binary circuits are preferred over other approaches when building electronic computers. (Hint: You can answer this in one word.)

2.In general, RISC computers can execute instructions faster than complex instruction set computers. What is the trade-off that designers make for the extra speed

3.  Charlemagne was crowned Holy Roman Emperor in the year 800. How many bits does it take to express 800 as an unsigned binary integer

4. A particular (very small) computer for embedded applications is designed to have a maximum main memory of 8,192 cells. Each cell holds 16 bits. How many address bits does the memory address register of this computer need? Why?