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lana [24]
3 years ago
12

A relational database is different from a simple database because it has more than one _____. record ID number table field

Computers and Technology
1 answer:
Ulleksa [173]3 years ago
6 0

Answer:Table

Explanation:A relational database has structures and thus have more than one table. The tables consist of row (for entry) and column (for data). As a result, data are organized in a simple manner and are normally consistent.

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Sequential and direct access are two methods to locate data in memory. Discuss why major devices now a days use direct access? H
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Answer:

Direct data access reduces the speed of retrieving data from memory or storage. Retrieving data and storing it in a cache memory provides direct access to data in the storage.

Explanation:

Sequential memory access, as the name implies, goes through the memory length location in search of the specified data. Direct memory access, provides a memory location index for direct retrieval of data.

Examples of direct and sequential memory access are RAM and tapes respectively. Data in sequential memory access can be access directly by getting data in advance and storing them in cache memory for direct access by the processor.

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A maximum reading of _______ parts per million (PPM) of NOx under loaded driving conditions generally means that the vehicle wil
dangina [55]
The correct answer is <span>D. 1,000.</span>
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Outlook 2016 is not only an email client, but it can also be used to schedule meetings and
klio [65]

Answer:

Outlook 2016 is not only an email client, but it can also be used to schedule meetings and <u>Manage appointments</u>.

Explanation:

Microsoft Outlook is a tool that is used to send and receive emails. In outlook 2016 version it has many other advantages such as:

  1. Managing Contact Directory
  2. Managing Address Books
  3. Scheduling Meetings
  4. Managing Appointments
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3 years ago
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Write a program that prompts the user to enter a string and displays the maximum consecutive increasingly ordered substring. Ana
Marianna [84]

Answer:

a.

// Program is written in Java Programming Language

// Comments are used for explanatory purpose

// Comments marked x represents simple statements

// Comments marked y represents single loop

// Program starts here

import java.util.*;

public class MaxOrder {

public static void main(String args [] ) {

Scanner accept = new Scanner(System.in);

LinkedList<Character> maxtext = new LinkedList<>();

LinkedList<Character> textlist = new LinkedList<>();

System.out.print("Enter a text: ");

String text = accept.nextLine();

// Find the maximum consecutive increasingly ordered substring

for (int i = 0; i < text.length(); i++) { // y1

if (textlist.size() > 1 && text.charAt(i) <= textlist.getLast() && textlist.contains(text.charAt(i))) {

textlist.clear(); // x

}

textlist.add(text.charAt(i)); // x

if (textlist.size() > maxtext.size()) { // x

maxtext.clear();

maxtext.addAll(list);

}

}

// Display the maximum consecutive

// increasingly ordered substring

for (Character ch: maxtext) { // y2

System.out.print(ch); // x

}

System.out.println();

}

b. Analysing the time complexity

In single loop marked y1, there are 3 simple statements ----- 1

In single loop marked y2, there is 1 simple statement --_--- 2

In (1) above,

1 single loop * 3 simple statements = 3;

*

In (2) above,

1 single loop * 1 simple statement = 1;

So, we have

T(n) = O(n) Linear time

7 0
3 years ago
Write a python function genRandomVect that returns a random 1d numpy array of size (50,) where each element is an integer sample
SSSSS [86.1K]

Answer:

import numpy as np

def genRandomVect():

   arr = np.random.choice(range(100),size=(50,),replace=False)

   return arr

 

print("Random 1D numpy array where each element is an integer sampled from: [0, 100) ")

print( genRandomVect() )

Explanation:

  • Create a function to create a numpy array with random integers in range[0,100) with no duplicates
  • Use the random.choice to select random values from range[0,100)  and size attribute to take the size of the required array .
  • Finally return the numpy array.

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3 years ago
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