Answer:
The last one
Explanation:
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The program is an illustration of functions; functions are used to represent collection of named statements
<h3>The program in Python</h3>
The function in Python where comments are used to explain each line is as follows:
#This defines the function
def checkList(nums,num):
#This checks if num exists in nums
if num in nums:
#If yes, this returns the index of num
return nums.index(num)
#If otherwise, this returns -1
return -1
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Answer:
#include <bits/stdc++.h>
using namespace std;
int main() {
double n;
cout<<"Enter a decimal number: ";
cin>>n;
int Round= floor((n- floor(n))*2);
if(Round==0)
{
n= floor(n);
}
else n= ceil(n);
cout<<n;
return 0;
}
Answer:
3
Explanation:
ER model can be used and is based on three basic concepts: Entities, Attributes & Relationships.
An entity can be place, person, object, event or a concept, which stores data in the database.
Relationship is nothing but an association among two or more entities. A weak entity is a type of entity which doesn't have its key attribute.
Answer:
Explanation:Systems Analysis
It is a process of collecting and interpreting facts, identifying the problems, and decomposition of a system into its components.
System analysis is conducted for the purpose of studying a system or its parts in order to identify its objectives. It is a problem solving technique that improves the system and ensures that all the components of the system work efficiently to accomplish their purpose.
Systems Design
It is a process of planning a new business system or replacing an existing system by defining its components or modules to satisfy the specific requirements. Before planning, you need to understand the old system thoroughly and determine how computers can best be used in order to operate efficiently.
System Design focuses on how to accomplish the objective of the system.
System Analysis and Design (SAD) mainly focuses on −
Systems
Processes
Technology