1,518 Answered Questions for the topic computer science

06/28/17

what is the problem with this code
def new password=str(input("Please enter your new password ")) password2=str(input("Please re-enter your password")) if password==password2: print ("Password completed") if password2:... more
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06/26/17

Need help writing a code in Java.
I am asked the following.   Write a program that determines change to be dispensed from a vending machine using the least number of coins. An item in the machine can cost between 25 cents to a... more
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06/26/17

Trouble with a code segment in Java
  What's wrong with the following code segment?final double TAX_RATE = 0.08;TAX_RATE = 0.0875;   This question is confusing. When I copy this into my Java IDE, it can't compile and i'm left with... more
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Computer Science Java

06/26/17

I don't understand this question. Anyone care to help?
I am asked   What are the difference among 1, 1.0, '1', and "1"?   And I don't understand the question at all. Can anyone explain to me or help me with this question? This question pertains to... more
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Computer Science

06/13/17

How is security threatened at a University if the computer infrastructure is not kept up to date?
Explain. Would University be in a better or worse situation than a bank, library or a technical company like Microsoft? Explain in comparison to each of the three businesses mentioned.
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Computer Science

05/25/17

calculating average access time of a magnetic disk
A magnetic disk has 2000 cylinders, 8 tracks per cylinder, 64 sectors per track, and 2KB per sectors. The rotation time is 25msec, maximum seek time is 600 msec, and switching between adjacent... more
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Computer Science Math Technology Google Sheets

05/24/17

Logical IF Function & Google Sheets Confusion
I have to use the logical if function for the following situation.If a student's exam grade is better than their calculated final grade, use the exam grade as their final mark. I have to use the... more
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Computer Science C++ Computer Programming

05/19/17

Please help with this C++ programming question
Using pseudo code algorithms! c++ only 1- Detect if three angles can make a triangle. (1) • Hint: In a triangle, the sum of all angles is 180. 2- Switch the value of two numbers (1) • If a=2... more
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Computer Science

05/17/17

Comparable comp=new Comparable
Why is this method incorrect?
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Computer Science

04/22/17

Operating systems
Race conditions are possible in many computer systems. Consider a banking system with two methods: deposit (amount) and withdraw (amount). These two methods are passed the amount that is to be... more
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04/03/17

I need some help with variables.
So, I m in an online coding class and I have been stumped by this challenge. Here are my starting variables:     var x = 5; var y = 11; var z = 4;   I need my output to be: x = 2 y = 6 z... more
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03/26/17

Why is it important to document the lines of a batch program and how might you do that and why should you?
A batch file question dealing with command lines
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Computer Science

03/21/17

Explain the importance of being able to master the command line in Linux rather than relying on the GUI.
computer tech
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Computer Science I.t

02/23/17

I need help with ym computer science I.T Homework Discription Below
The following is the relation notation of a table for a veterinary office. VETERINARY_OFFICE (PetID, PetName, PetType, PetBreed, OwnerID, OwnerLastName, OwnerFirstName, ServiceDescription,... more
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Computer Science

02/21/17

Are Group accounts beneficial to other users besides the System Administrator? Explain your reasoning.
Are Group accounts beneficial to other users besides the System Administrator? Explain your reasoning.
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Computer Science

02/21/17

what are the applications of calculus in software engineering
i don't know what is description so please give me the answer of my question?  
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Computer Science Computer Programming

02/16/17

Please show me the code for this
TasksWrite a program that printsProject 1 written by YOURNAMEand calls two methods:1.The first method should print a sequence of text boxes. The drawBox methodon p. 32 prints one text box, but your... more
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Computer Science

02/14/17

Provide a list of alternative backup storage besides a traditional hard disk, then briefly explain the benefits and/or disadvantages with these components.
Help me answer this question..........
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Computer Science

01/22/17

What is the final value of the string output given the following Visual Basic code fragment?
Dim counter As Integer = -4 Dim num As Integer = 1 Dim output As String = " "   While counter < 0       num = num + 2       output = output & Convert.ToString(num)       counter =... more
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Computer Science

01/22/17

What is the final value of the string output given the following Visual Basic code fragment?
Dim counter As Integer = -4 Dim num As Integer = 1 Dim output As String = "ABC"   While Counter < 0       num = num + 2       output = output & Convert.ToString(num)       counter =... more
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Computer Science

01/22/17

What is the final value of the string output given the following visual Basic code fragment?
Dim counter As Integer = 5 Dim num As Integer = 1 Dim output As String = " " While counter < 10 num = num + 2 output = output & Convert.ToString(num) counter = counter + 1 End While
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Computer Science

01/01/17

State and prove redundant law of boolean algebra.
Statement and proof
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Computer Science

01/01/17

What is the postfix notation of a*b/c+d.
Without any brackets.
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12/22/16

If Statements (CS) Visual Basic
1.  intX = 129 intY = 200 intCount = 1   If (intX > 120 And intY < 30) Then intCount = intCount + 1 Else intCount = -1 End If   intCount = ?????   Can someone please explain this... more
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Computer Science

12/14/16

What are the first errors in a program that you should try to fix during the debugging process? (They are the most common)
Im just filling this in so I can ask my question.
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