Computers and Technology, 14.02.2020 00:09 TaraDean
Write an attribute grammar whose BNF basis is that of Example 3.6 in Section 3.4.5 but whose language rules are as follows: Data types cannot be mixed in expressions, but assignment statements need not have the same types on both sides of the assignment operator.
1) Syntax rule: → =
2) Syntax rule: → [2] + [3]
Predicate: [2].actual_type == [3].actual_type
3) Syntax rule: →
4) Syntax rule: → A | B | C
Semantic rule: .actual_type ← lookup(.string)
Answers: 2
Computers and Technology, 22.06.2019 03:10, brylove603
Write a program that begins by reading in a series of positive integers on a single line of input and then computes and prints the product of those integers. integers are accepted and multiplied until the user enters an integer less than 1. this final number is not part of the product. then, the program prints the product. if the first entered number is negative or 0, the program must print “bad input.” and terminate immediately. next, the program determines and prints the prime factorization of the product, listing the factors in increasing order. if a prime number is not a factor of the product, then it must not appear in the factorization. sample runs are given below. note that if the power of a prime is 1, then that 1 must appear in t
Answers: 3
Computers and Technology, 24.06.2019 13:00, angelynb1497
Your mom wants to purchase a laptop computer. she said she wants her new computer to be able to play her dvds so she can listen to music and wants to know what type of optical drives will play her disk. which type of drive should she look for?
Answers: 1
Computers and Technology, 24.06.2019 18:30, trevorhenyan51
Dereck works for long hours on his computer. he frequently experiences physical strain by the end of the day because he does not follow an important rule of ergonomics with respect to the use of keyboards. which of the following actions of dereck could lead to physical strain? a. placing the keyboard exactly in front of him while typingb. keeping hands and wrists straight while typingc. using wrist pads throughout the dayd. pounding at the keys on the keyboard while typinge. resting his hands on the keyboard when he is not typing
Answers: 1
Write an attribute grammar whose BNF basis is that of Example 3.6 in Section 3.4.5 but whose languag...
Social Studies, 10.10.2019 21:00
English, 10.10.2019 21:00
Mathematics, 10.10.2019 21:00
French, 10.10.2019 21:00
English, 10.10.2019 21:00
Business, 10.10.2019 21:00