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AfilCa [17]
3 years ago
14

Write a program that reads in an integer, and breaks it into a sequence of individual digits. Display each digit on a separate l

ine. For example, the input 16384 is displayed as 1 6 3 8 4 You may assume that the input has no more than five digits and is not negative.
Computers and Technology
1 answer:
Montano1993 [528]3 years ago
4 0

Answer:

The program in Python is as follows:

num = int(input())

for i in str(num):

   print(int(i))

Explanation:

This gets input for the number

num = int(input())

This converts the number to string and iterates through each element of the string

for i in str(num):

This prints individual digits

   print(int(i))

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Question 24 Multiple Choice Worth 5 points)
Veseljchak [2.6K]

Answer:

ZIP

Explanation:

ZIP is a type of compression file as Jpg is a picture file, Gif is a picture file, and ODOC stands for Oklahoma Department of Corrections

TBH:

it may be O ZIP but i've never heard of it.

8 0
3 years ago
Read 2 more answers
[1] Please find all the candidate keys and the primary key (or composite primary key) Candidate Key: _______________________ Pri
AVprozaik [17]

Answer:

Check the explanation

Explanation:

1. The atomic attributes can't be a primary key because the values in the respective attributes should be unique.

So, the size of the primary key should be more than one.

In order to find the candidate key, let the functional dependencies be obtained.

The functional dependencies are :

Emp_ID -> Name, DeptID, Marketing, Salary

Name -> Emp_ID

DeptID -> Emp_ID

Marketing ->  Emp_ID

Course_ID -> Course Name

Course_Name ->  Course_ID

Date_Completed -> Course_Name

Closure of attribute { Emp_ID, Date_Completed } is { Emp_ID, Date_Completed , Name, DeptID, Marketing, Salary, Course_Name, Course_ID}

Closure of attribute { Name , Date_Completed } is { Name, Date_Completed , Emp_ID , DeptID, Marketing, Salary, Course_Name, Course_ID}

Closure of attribute { DeptID, Date_Completed } is { DeptID, Date_Completed , Emp_ID,, Name, , Marketing, Salary, Course_Name, Course_ID}

Closure of attribute { Marketing, Date_Completed } is { Marketing, Date_Completed , Emp_ID,, Name, DeptID , Salary, Course_Name, Course_ID}.

So, the candidate keys are :

{ Emp_ID, Date_Completed }

{ Name , Date_Completed }

{ DeptID, Date_Completed }

{ Marketing, Date_Completed }

Only one candidate key can be a primary key.

So, the primary key chosen be { Emp_ID, Date_Completed }..

2.

The functional dependencies are :

Emp_ID -> Name, DeptID, Marketing, Salary

Name -> Emp_ID

DeptID -> Emp_ID

Marketing ->  Emp_ID

Course_ID -> Course Name

Course_Name ->  Course_ID

Date_Completed -> Course_Name

3.

For a relation to be in 2NF, there should be no partial dependencies in the set of functional dependencies.

The first F.D. is

Emp_ID -> Name, DeptID, Marketing, Salary

Here, Emp_ID -> Salary ( decomposition rule ). So, a prime key determining a non-prime key is a partial dependency.

So, a separate table should be made for Emp_ID -> Salary.

The tables are R1(Emp_ID, Name, DeptID, Marketing, Course_ID, Course_Name, Date_Completed)

and R2( Emp_ID , Salary)

The following dependencies violate partial dependency as a prime attribute -> prime attribute :

Name -> Emp_ID

DeptID -> Emp_ID

Marketing ->  Emp_ID

The following dependencies violate partial dependency as a non-prime attribute -> non-prime attribute :

Course_ID -> Course Name

Course_Name ->  Course_ID

So, no separate tables should be made.

The functional dependency Date_Completed -> Course_Name has a partial dependency as a prime attribute determines a non-prime attribute.

So, a separate table is made.

The final relational schemas that follows 2NF are :

R1(Emp_ID, Name, DeptID, Marketing, Course_ID, Course_Name, Date_Completed)

R2( Emp_ID , Salary)

R3 (Date_Completed, Course_Name, Course_ID)

For a relation to be in 3NF, the functional dependencies should not have any transitive dependencies.

The functional dependencies in R1(Emp_ID, Name, DeptID, Marketing, Date_Completed) is :

Emp_ID -> Name, DeptID, Marketing

This violates the transitive property. So, no table is created.

The functional dependencies in R2 (  Emp_ID , Salary) is :

Emp_ID -> Salary

The functional dependencies in R3 (Date_Completed, Course_Name, Course_ID) are :

Date_Completed -> Course_Name

Course_Name   ->  Course_ID

Here there is a transitive dependency as a non- prime attribute ( Course_Name ) is determining a non-attribute ( Course_ID ).

So, a separate table is made with the concerned attributes.

The relational schemas which support 3NF re :

R1(Emp_ID, Name, DeptID, Course_ID, Marketing, Date_Completed) with candidate key as Emp_ID.

R2 (  Emp_ID , Salary) with candidate key Emp_ID.

R3 (Date_Completed, Course_Name ) with candidate key Date_Completed.

R4 ( Course_Name, Course_ID ).  with candidate keys Course_Name and Course_ID.

6 0
4 years ago
Computer privacy typically occurs when which of the following is violated?
Helen [10]
B. open source software...
3 0
3 years ago
Concatenating arrays Strings have build-in functions to perform concatenation. Write a function called append () that performs c
olganol [36]

Answer:

Check the explanation

Explanation:

#include<iostream.h>

#include<stdlib.h>

void append(char* first,int n,char* second, int n1,char* result)

{

  int i,j=0;

  for(i=0;i<n;i++)

      result[i]=first[i];

  for(i=n;i<n1+n;i++)

  {

      result[i]=second[j];

      j++;

  }

}

void main()

{

  char first[]={'I', ' ','a', 'm', ' '};

  char second[]={'i', 'r', 'o', 'n', 'm', 'a', 'n','\0'};

  char result[200];

  append(first,5,second, 8, result);

  cout<<result;

  cout<<endl;

  system("pause");

}

4 0
3 years ago
(Reverse number) Write a program that prompts the user to enter a four-digit inte- ger and displays the number in reverse order.
prohojiy [21]

Answer:

The program in Python is as follows:

num = int(input("4 digit number: "))

numstr = str(num)

if(len(numstr)!=4):

    print("Number must be 4 digits")

else:

    numstr = numstr[::-1]

    num = int(numstr)

    print(num)

Explanation:

This prompts user for input

num = int(input("4 digit number: "))

This converts the input number to string

numstr = str(num)

This checks if number of digits is or not 4

if(len(numstr)!=4):

If not, the following message is printed

    print("Number must be 4 digits")

else:

If digits is 4,

This reverses the string

    numstr = numstr[::-1]

This converts the reversed string to integer

    num = int(numstr)

This prints the reversed number

    print(num)

6 0
3 years ago
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