All categories

2 years ago

Produce definition in computer

Computers and Technology

2 answers:

spayn [35]2 years ago

5 0

Explanation:

In computers, the word 'Produce' means 'To Generate'. So when we say that computer produces something, it means that a computer system generates something. And in Computers, 'to generate' means Output. When computer generates something, it means 'the Output'. For example, if a computer produces calculations on some date, we say that the software of the computer generated these results, which means the output of the data is this. Similarly if a computer produces a hard copy of a document, we say that the computer generated a copy of this document, which means, the Output of the computer is the printed document.

Vaselesa [24]2 years ago

4 0

An electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.

You might be interested in

What is client server relationship is the basic form of what

stepan [7]

computer network is the answer

8 0

2 years ago

Assuming arrayName is the name of an array and identifier is a name of a variable that has the same data type as the array eleme

creativ13 [48]

Answer:

The answer is "Option a"

Explanation:

Range-based for loop performs a sequence for a loop. It's more accessible as the conventional loop, for example, all components in the array, running more than a range of possibilities. In the given question "option a" is correct because it follows the correct syntax and other choices were wrong, which can be described as follows:

In option b, It's not correct, because in this code the range declaration is wrong.
In option c, It is wrong, because in this code the datatype is missing.
In option d, It is illegal syntax, that's why it is wrong.

5 0

2 years ago

[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 }..

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

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

2 years ago

The digital revolution has affected a. almost all areas of movie-making, except makeup and hairstyling. b. only a small number o

Georgia [21]

Answer:

Option D is correct.

Explanation:

The Digital Revolution applies to technological improvements from optical automated and mechanical machines to that of the digital technology that is currently accessible. The era began well into the year of 1980s, and continues. That Digital Revolution still marked as the start of the Era of Info.

It's the evolution of electrical and analog to digital technologies.
Its the advent of digital technologies has also altered the manner of people communication.
The following things are only done through computers, cellphones, as well as the web.

5 0

2 years ago

Write a python program to accept a number and check whether it is divisible by 4 or not

Alenkasestr [34]

Answer:

number = int(input("Enter number: "))

if (number % 4):

print("{} is not divisible by 4".format(number))

else:

print("{} is divisible by 4".format(number))

Explanation:

If the %4 operation returns a non-zero number, there is a remainder and thus the number is not divisable by 4.

5 0

2 years ago