1.How many bits do we need to represent numbers 0-10,000? What unsigned number does 10011110 represent?

2.Give binary and decimal values of most positive and most negative number you can represent in 8 bits; answer the same question for N bits.

3.

What does the following PBASIC program do?

DIRH = %00000000

X = INH

DIRL = %11110000

OUTB = INA

4.

A servo motor is driven by pin 14 of a Basic Stamp 2. What does the following PBASIC program do?

counter VAR Word

FOR counter = 1 to 150

PULSOUT 14, 600

PAUSE 20

NEXT