QI: Answer all of the following: 1- If the following lines of code have errors, correct them; otherwise, write "no errors." int a-10: int b_"5: cont<

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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QI: Answer all of the following:
1- If the following lines of code have errors, correct them; otherwise, write "no errors."
int _a=10:
int b_=5:
cout<<_a--b_):
2- Return by value is better than return by reference. (True, False or It depends on the case)
3- Write lines of code to define a global variable in C++,
4- Modify the following lines of code to display 1 five times only.
while itrue) (
cont<<"1";
C++
5- Why do we use user-defined functions in C++?
Transcribed Image Text:QI: Answer all of the following: 1- If the following lines of code have errors, correct them; otherwise, write "no errors." int _a=10: int b_=5: cout<<_a--b_): 2- Return by value is better than return by reference. (True, False or It depends on the case) 3- Write lines of code to define a global variable in C++, 4- Modify the following lines of code to display 1 five times only. while itrue) ( cont<<"1"; C++ 5- Why do we use user-defined functions in C++?
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