True/False Questions. Write your asnwers as: Q1-1: correct answer, Q1-2: correct answer, etc. 1. T/F-Disjoint union assuming that variants are chosen from type S or type T = (#S)^ (#T) 2. T/F-Cardinality of mapping S→T is: (#S)x(#T) →(#T)#5 3. T/F- Smalltalk and Lisp are dynamically typed PLs whereas Prolog and Perl are statically typed. 4. T/F- If you can print a piece of code, or assign it to a variable, it's an expression. If you can't, it's a statement! 5. T/F-memcpy() copies specific number of bytes from source to destination in RAM, where as strcpy() copies a constant / string into another string. 6. T/F-The semantics of a PL describe the sequence of symbols that make up valid programs 7. T/F-Enumeration variables are typically implemented using a subrange of the integers. 8. T/F-Ambiguity is a desirable syntactic attribute. 9. T/F-The execution of programs developed in a compiled language is typically more efficient than the interpreted ones. 10. T/F- One common approach to storage for a variant record type is to allocate adequate storage for the larger variant for all records of that type.
True/False Questions. Write your asnwers as: Q1-1: correct answer, Q1-2: correct answer, etc. 1. T/F-Disjoint union assuming that variants are chosen from type S or type T = (#S)^ (#T) 2. T/F-Cardinality of mapping S→T is: (#S)x(#T) →(#T)#5 3. T/F- Smalltalk and Lisp are dynamically typed PLs whereas Prolog and Perl are statically typed. 4. T/F- If you can print a piece of code, or assign it to a variable, it's an expression. If you can't, it's a statement! 5. T/F-memcpy() copies specific number of bytes from source to destination in RAM, where as strcpy() copies a constant / string into another string. 6. T/F-The semantics of a PL describe the sequence of symbols that make up valid programs 7. T/F-Enumeration variables are typically implemented using a subrange of the integers. 8. T/F-Ambiguity is a desirable syntactic attribute. 9. T/F-The execution of programs developed in a compiled language is typically more efficient than the interpreted ones. 10. T/F- One common approach to storage for a variant record type is to allocate adequate storage for the larger variant for all records of that type.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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