Assignment #2 (Concepts of Programming Languages Chapter 2 Review Questions)

Review Questions :

a=Answer

16. In what way are Scheme and Common LISP opposites of each other? 

a. In its sizes, complexity, adn scoping(scheme: static scoping, Common LISP: both dynamic and static scoping).

17. What dialect of LISP is used for introductory programming courses at some universities?

a. Scheme

18. What two professional organizations together designed ALGOL 60?

a. The two professional organizations are Association for Computing Machinery (ACM) and GAMM

19. In what version of ALGOL did block structure appear?

a. ALGOL 60

20. What missing language element of ALGOL 60 damaged its chances for widespread use?

a. The lack of input and output statements with formatting

21. What language was designed to describe the syntax of ALGOL 60?

a. The language was  Backus Naur Form (BNF), which was Backus’s new notation for describing syntax of programming languages.

22. On what language was COBOL based?

a. FLOW-MATIC

23. In what year did the COBOL design process begin?

a. The beginning of COBOL similar to ALGOL 60 that was designed by a committee of people meeting for relatively short periods of time and in 1959, the design process of COBOL began and sponsored by the Department of Defense.

24. What data structure that appeared in COBOL originated with Plankalkül? 

a. Hierarchical data structure