1. How many bytes have exactly five ones?
2. In how many of the bytes with exactly five ones are no two zeroes next to each other?
A computer byte is a string of eight digits, where each digit is either a zero or a one. Two examples are 01001001 and 11001101.
3. Refer to the map in Fig. 2. How many shortest routes are there from A to B?

4. Refer to the map in Fig. 3. How many shortest routes are there from A to B?

Transcribed Image Text:

A,