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1) What is the job of a compiler, and what is a compilation error? How does it differ from a run-time error? Provide an example for each kind of error.

1) What is the job of a compiler, and what is a compilation error? How does it differ from a run-time error? Provide an example for each kind of error.

Database System Concepts
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
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I- Short Questions In a text or word file, answer briefly the following questions: 1) What is the job of a compiler, and what is a compilation error? How does it differ from a run-time error? Provide an example for each kind of error. 2) We want to define C++ variables to represent the following information in parts (a)-(d). For each one, specify the most appropriate data type to use and write an example C++ statement that defines the variable (choose any valid variable name) and assigns a valid value to it (i.e. choose a value that is consistent with the data type and description of the variable). Note: If more than one type can be used, you should choose the most appropriate one (a) The number of students in a class (b) The x-coordinate of a point (c) The result of the logical expression (x<y) (d) An English sentence 3) For a given numeric grade, the letter grade is obtained according to Table 1. The code below is supposed to print the letter grade corresponding to the numeric grade grade (assume grade is a predefined integer variable having a value between 0 and 100) if (grade>-90) cout<<'A'<<endl; if(grade>-80) Table 1 A grade 2 90 80 s grade << 90 cout<<'B'<<endl; B 70 s grade < 80 60 s grade < 70 if (grade>=70) cout<<'C'<<endl; if (grade>-60) D cout<<'D'<<endl; if (grade<60) cout<<'F'<<endl; F grade < 60 (a) What is the problem with the code above? Give an example where we will get an incorrect output. (b) Propose two different ways to correct the code: write the complete corrected code for each proposed solution (you can write the code as text; no cpp file required) 4) How many "Hi!"s will the following program print? Justify your answer. for (int i=0; i<100; i++)( for (int i-0; i<100; i++){ cout<<"Hi!"<<endl: for (int i-0; i<10; 1++) { for (int i-0; i<100; i++) { cout<<"Hi!"<<endl; for (int i-1; i<-10; i++) ( cout<<"Hi!"<<endl; 5) Explain what the following C++ statement does (note: it does multiple things): bool C = 5==8:
Transcribed Image Text:I- Short Questions In a text or word file, answer briefly the following questions: 1) What is the job of a compiler, and what is a compilation error? How does it differ from a run-time error? Provide an example for each kind of error. 2) We want to define C++ variables to represent the following information in parts (a)-(d). For each one, specify the most appropriate data type to use and write an example C++ statement that defines the variable (choose any valid variable name) and assigns a valid value to it (i.e. choose a value that is consistent with the data type and description of the variable). Note: If more than one type can be used, you should choose the most appropriate one (a) The number of students in a class (b) The x-coordinate of a point (c) The result of the logical expression (x<y) (d) An English sentence 3) For a given numeric grade, the letter grade is obtained according to Table 1. The code below is supposed to print the letter grade corresponding to the numeric grade grade (assume grade is a predefined integer variable having a value between 0 and 100) if (grade>-90) cout<<'A'<<endl; if(grade>-80) Table 1 A grade 2 90 80 s grade << 90 cout<<'B'<<endl; B 70 s grade < 80 60 s grade < 70 if (grade>=70) cout<<'C'<<endl; if (grade>-60) D cout<<'D'<<endl; if (grade<60) cout<<'F'<<endl; F grade < 60 (a) What is the problem with the code above? Give an example where we will get an incorrect output. (b) Propose two different ways to correct the code: write the complete corrected code for each proposed solution (you can write the code as text; no cpp file required) 4) How many "Hi!"s will the following program print? Justify your answer. for (int i=0; i<100; i++)( for (int i-0; i<100; i++){ cout<<"Hi!"<<endl: for (int i-0; i<10; 1++) { for (int i-0; i<100; i++) { cout<<"Hi!"<<endl; for (int i-1; i<-10; i++) ( cout<<"Hi!"<<endl; 5) Explain what the following C++ statement does (note: it does multiple things): bool C = 5==8:
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