Answer:
See explaination
Explanation:
E-R diagram:
Entity Relationship Diagram, also known as ERD, ER Diagram or ER model, is a type of structural diagram for use in database design. An ERD contains different symbols and connectors that visualize two important information: The major entities within the system scope, and the inter-relationships among these entities.
Please kindly check attachment for for the ERD of the question asked.
Answer:
The right answer is option 4: 2
Explanation:
Lists are used in Python to store elements of same or different data types.
Different functions are used in Python on List. One of them is count.
Count is used to count how many times a specific value occurs in a list.
The syntax for count is:
listname.count(value)
In the given code,
The output will be 2
Hence,
The right answer is option 4: 2
Answer:
Open systems
Explanation:
Open systems are very different from Open Source applications or software, it should not be confused.
Open systems work with the blend of open software standards, portability, and interoperability. Computer systems that interoperate among multiple standards and vendors to ensure that computer resources (hardware and software) are not allotted to a particular vendor. Such computer systems are considered as open systems.
For instance, computer systems that run a Microsoft Windows OS can be considered as an Open system. This is because of their capability to run different versions of the Microsoft Windows OS on that particular computer system. More clearly, A computer with Windows 10 OS, can be used to install Windows 8 OS without any issue. That same computer system can run the Windows 7 OS. This makes the computer system and open system.
Answer:
Check the explanation
Explanation:
#include <iostream>
#include <iomanip>
using namespace std;
int getIQ(); // return the score
void printEvaluation(int);
int main()
{
int IQ = 0;
IQ = getIQ();
printEvaluation(IQ);
return 0;
}
int getIQ()
{
int score = 0;
cout << "Please enter your IQ Score to receive your IQ Rating:\n";
cin >> score;
return score;
}
void printEvaluation(int aScore)
{
cout << "IQ Score: " << aScore << " IQ Rating: ";
if (aScore <= 100)
{
cout << "Below Average\n";
}
else if (aScore <= 119)
{
cout <<"Average\n";
}
else if (aScore <= 160)
{
cout << "Superior\n";
}
else if (aScore >= 160 )
{
cout << "Genius\n";
}
}
HISTSIZE is the environment variable affects the number of past commands used in the current shell session.
