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Computer Science 164 - Spring 1993 - Rowe - Midterm 1

Computer Science 164 - Spring 1993 - Rowe - Midterm 1 -...

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CS164 Spring 1993, MT1 CS 164, Spring 1993 Midterm #1 Professor Rowe Problem #1 (10 points; 1 point each) Circle T or F to indicate the true or false statements. T F The following grammar is ambiguous. S-->SaS S-->SbS S-->c T F It is possible to build a deterministic finite state automation for the language { a* b* } with only two states. T F We use a scanner to convert characters to tokens rather than having the parser do the conversion because it simplifies the parser and leads to smaller, more time efficient compilers. T F A sentential form is a string of terminals and non-terminals that can be derived from the distinguished start symbol. T F In OO93, two routines can have the same name or identifier. T F In constructing a compiler, it is a good idea to use a program, like flex or lex , because it simplifies the coding of a scanner. T F A shared library contains code that can be shared by several processes running different programs. T F Dynamically allocated space is placed in the heap.
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