6.090 IAP '05 - Homework 1 Solutions

Problem 1:

42

0

"yar!"

54

"(+ 2 3)"

;Hardware trap INT_DIVIDE_BY_ZERO

unspec

unspec

1

unspec

unspec

;The object 43 is not applicable

37

unspec

;Value: #[compiled-procedure 9 ("arith" #x44) #xF #xE1F5C3]

unspec

3

129

;The object 3 is not applicable

unspec

;The object #[compiled-procedure 9 ("arith" #x44) #xF #xE1F5C3],
 passed as the first argument to integer-zero?, is not the correct
 type.

4

Problem 2:

See Lecture 1 solutions

Problem 3:

See Lecture 1 solutions