Exercise $1$

Convert these binary numbers to decimal:

$1$

$10$

$11$

$100$

$101$

$1000$

$1011$

$1100$

$10101$

$11111$

Exercise $2$

Convert these decimal numbers to binary:

$1$

$2$

$3$

$8$

$9$

$10$

$15$

$16$

$17$

$18$

Exercise $3$

Use of scalar variables

$a=4$

$b=5$

$c=12$