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3 years ago

Each row in a database is a set of unique information called a(n) (A.)table,(B.)record,(C.)object,(D.)field

Computers and Technology

2 answers:

Sophie [7]3 years ago

8 0

Answer:

the answer is B.) A record

Explanation:

I just took the test and got it right.

sashaice [31]3 years ago

4 0

Answer:

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List down any 5 Advantages and any 5 Disadvantages of Computers

Dahasolnce [82]

Advantages

Increase your productivity. ...

Connects you to the Internet. ...

Can store vast amounts of information and reduce waste. ...

Helps sort, organize, and search through information. ...

Get a better understanding of data. ...

Keeps you connected. ...

Help you learn and keep you informed. ...

Can make you money.

Disadvantages

Too much sitting. ...

Carpal tunnel and eye strain. ...

Short attention span and too much multitasking. ...

Potential of loss of privacy. ...

Can limit learning and create a dependency. ...

Time sink and lots of distractions....

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3 years ago

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En la historia del Computador porque se caracteriza la primera generación? *

Nadusha1986 [10]

D. Por el uso de tubos de vacio.

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3 years ago

compared to other data structures, this dbms structure is more flexible and stores data as well as instructions to manipulate th

Nuetrik [128]

Object-oriented databases is more flexible and stores data as well as instructions to manipulate the data.

A system known as an object database uses object-oriented programming to represent data in the form of objects. Different from relational databases, which are table-oriented, are object-oriented databases.

The concept of object-oriented programming languages, which is currently popular, is the foundation of the object-oriented data model. Overloading, polymorphism, and inheritance Object-oriented programming fundamentals that have found use in data modelling include object-identity, encapsulation, and information hiding with methods to provide an interface to objects. The rich type system, which includes collection and structured types, is supported by the object-oriented data model as well.

In contrast to relational databases, which can only handle one type of data, object databases can handle multiple data types. Unlike conventional databases like hierarchical, network, or relational, object-oriented databases can handle a variety of data types, including text, numbers, images, voice, and video.

Also, Reusable code, realistic modelling, and increased dependability and flexibility are all provided by object-oriented databases.

To learn more about Object-oriented databases click here:

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1 year ago

Write the following program in C++ to print:

Alenkinab [10]

1.
#include <iostream>#include <string>
using namespace std;
int main(){ string chars; // This is where we will put our @ signs and print them for(int x=0;x < 5; x++){
chars = chars + '@'; // This will concatenate an @ sign at the end of the variable cout << chars << "\n"; }}

2.
#include <iostream>#include <string>
using namespace std;
int main(){ string name; // Our variable to store the name cout << "What is your name? \n"; // Asks the user for their name cin >> name; cout << "\nWell, hello " << name << "!";}

3.
#include <iostream>#include <string>
using namespace std;
int main(){ int number; // Our variable cout << "Enter a number\n"; // Asks for a number cin >> number; cout << "You entered " << number << "%!";}

4.
#include <iostream>#include <string>
using namespace std;
int main(){ int number; // Our variable cout << "Enter a number\n"; cin >> number;
int check = number % 2; // The modulo operator (the percent sign) gets the remainder of the quotient if (check == 0) { cout << number << " is even!"; // If the remainder is 0 then it prints out "x is even" } else { cout << number << " is odd!"; // If the remainder is not 0 then it prints out "x is odd" }}

5.
#include <iostream>#include <string>
using namespace std;
int main(){ float r; // Our variable cout << "Enter a radius\n"; cin >> r; if (r < 0){ cout << "Lol. No."; // If the radius is less than zero print out that message } float circumference=2*3.14*r; float area=r*r*3.14; cout << "\n\n Circumference of circle: " << circumference; cout << "\n Area of circle: " << area;}

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4 years ago

Describe two measures you can use to evaluate whether an attachment in a message is reliable to open.

meriva

<span>If a attachment is not reliable to open, terrible effects can happen, peradventure it may have a virus or even malware that can destroy a computers software.

To avoid this and stay on the safe side, try the following:-

- Open it in protected view
- Do not save the attachment on your computer
- Look at the author and read the message carefully to make sure it is not biased.
- Open it on a flash-drive </span>

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3 years ago

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