297 Answered Questions for the topic Computer

10/22/20

'else' statement error in Java
I'm trying to write this code and I keep getting the error: Syntax error on token "else", delete this token. Yes, I've tried using {brackets} and pretty much everywhere I search online, it says... more
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10/20/20

How to do this? (Java)
CompositionThere are two ways to reuse existing classes, namely, composition and inheritance.With composition (aka aggregation), you define a new class, which is composed of existingclasses. With... more
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10/20/20

network cabling and management
While you were gathering information to recommend transmission media for the medical instrument manufacturer, you noticed that some of the telco rooms were in disarray. For one thing you notice... more
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10/20/20

Introduction to Computer Networks and Security
ScenarioAs a User Consultant in the School of Computing, Information & Mathematical Sciences, your job requires you to prepare technical reports. The Head of School requires you to prepare... more
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10/15/20

Lab for CS112 Data Structures and Algorithms
Answer this and please explain so that it is easy to understand the following questions and the explanation given.Implement a base class Person. Derive classes Student and Instructor from Person.... more
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10/15/20

Lab for CS112 Data Structures and Algorithms
Answer this and please explain so that it is easy to understand the following questions and the explanation given.Suppose the class Sub is derived from the class Sandwich. Which of the following... more
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10/13/20

Is Snapchat considered a social informatic tool?
My teacher wants us to pick any social informatic tool (software or hardware) and write a report on it. I want to make sure I am on the right track!
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10/12/20

Create a program similar to this while the output stays the same.

Using a text editor, create a file that contains a list of at least 10 six-digit account numbers. Read in each account number and display whether it is valid. An account number is valid only if the... more
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10/12/20

heres a cs question
Consider the following code segment, which is intended to find the average of two positive integers, x and y.int x;int y;int sum = x + y;double average = (double) (sum / 2);Which of the following... more
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10/12/20

I have a cs question
The following code segment is intended to round val to the nearest integer and print the result.double val = -0.7;int roundedVal = (int) (val + 0.5);System.out.println(roundedVal);Which of the... more
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10/09/20

How to make these 4 classes with these information?(java)
Class1 (Person)-name: String-address:StringMethods:+Person(name: String, address : String)+getName():Stringg+getAddress():String+setAddress (address: String) : void+toString():String ---->"name... more
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09/24/20

database assignment

You are working in a Library and the Supervisor has asked you to create a database to store the data in the tables below. use MS access any versionUsers... more
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Computer General Computer

09/17/20

How can I sell my products on Amazon.com?
What is the process involved in selling physical items on Amazon.com?
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09/13/20

Probability of correct message sent over network
We wish to transmit an n-bit message to a receiving agent, which is the case for the low-level messaging on most computer networks. Unfortunately, no network technology is perfect, and it is... more
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09/10/20

Coffee Shop programm
need C++ code for the following programmingThe assignment is based on the following scenario: The USP Coffee Shop offers a range of beverages to its customers. The coffee shop is upgrading their... more
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09/09/20

-Need the pseudo code and the flowchart. -answer part 3 for the question which is two essays!
here is the code for the program.-Need the pseudo code and the flowchart.-answer part 3 for the question which is two essays!C++ code:#include <iostream>using namespace std;#include... more
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09/05/20

Need C++ coding or this assignment
NEED A C++ CODING USING DEV-C++ AND THE PSEUDOCODE AND FLOWCHART OF THE PROGRAM CREATED.ESSAY WRITING IN 150-250 WORDS.
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09/05/20

Managing Customer Records in a Bank
Problem: Managing Customer Records in a BankA bank in your town updates its customers’ account at the end of each month. The bank offers two types of accounts: Savings and Checking. Every customer... more
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08/23/20

I want to ask about an sql injection vulnerability. I did't find a way to exploit it.

I wanna know if vulnerability really exists if it exists if it is exploitable. Zap tool give me some info like this.... ' | case randomblob(10000000) when not null then'''' else '''' end But i can'... more
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07/24/20

knowledge in “code of ethics’”
Refer to the guide “ACM Code of Ethics and Professional Conduct” (https://www.acm.org/code-of-ethics)Based on your understanding from this guide, relate and then suggest any 5 FIVE guidelines of... more
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07/21/20

Screen stays black when pc is running
Hey I have been using my pc for a couple weeks now and it has ran perfectly and smoothly. I decided to buy more ram and this morning I inserted them and now my screen will not turn on and my fans... more
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07/17/20

computer sciiii
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07/14/20

How did old computers run without operating systems?
The first operating systems were discovered in the 1950s. So how did older vacuum tube computers like Z3, Mark 1, ENIAC , EDVAC, etc work in the 1940s and earlier? There were said to be programmers... more
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06/16/20

File Compression and multi-dimensional arrays
"Need a new c++ code done in Dev-C++ 5.11""Compiler set to configure TDM-GCC 4..9.2 64-bit Release"Scenario (need c++ coding)A simple matrix could be used to store data about images by using 1’s... more
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06/05/20

Matlab question

a) Write a MATLAB script that fits a straight line and to the data set given below and plots the given data as points(o) and fitted data as a line.d |15.5 33.07 53.39 140.24 301.03... more
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