CSE240 FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED

CSE240 FINAL EXAM QUESTIONS AND ANSWERS WITH

COMPLETE SOLUTIONS VERIFIED


In scheme, the form(symbol-length? 'James) will return:



a. an error message

b. 5

c. 0

d. 7

e. 6

a

Functional programming languages do NOT allow us to define

a. procedures

b. multiple parameters in one procedure

c. variables whose value can be modified

d. named values

c

convert the following expression into prefix-p notation

-5 * (2 + 1/2) + 40



a. (+(*(-5)(+ 2(/ 1 2)))40)

b.(-5 *(2+1/2)+40)

,c. (* (+(-5)(/2 (+1 2)))40)

d.+*-5+2/1 2 40

a

convert following exp into pre-fix p

10 + (5-3) +



a. + 10 - 5 4

b. (/ (+ 10(- 5 3)2)4)

c. (+10 (-5 3)(/2 4))

d. 10 + (5-3) + 2/4

c

which of the following is a valid scheme expression?



a. 9 *(4 -2)/7

b. *9(/(- 4 2)7)

c. (* 9(/ (- 4 2)7))

d. *9 / -4 2 7

c

one of the major difference between imperative and functional programming

languages is that the functional programming languages do NOT



a. support call-by-calue parameter passing

b. allow nested function calls

, c. allow a procedure to return a value

d. have side-effects

d

the statement "a function is a first-class object" means that a function



a. must have a return value

b. must be instantiated from a class

c. can be placed in a place where a value is expected

d. may not have side effects

c

given this procedure, what is the return result?

(define (guess value)

(cond ((number? value)"I'm a number")

((char?value)"I'm a characted")

((interger?value)"I'm a integer")))



(guess 10)



a. "i'm a character"

b.error

c."I'm a integer"

c."I'm a number"

d