Computer Science Forum

Hi What is Logical address? in the context of programs instrusctions?How we convert to physical adress?

Hello, I want to test random generator with one program. But I don't undertsand what my input file should look like. > You must first create the ascii file. To do that, generate your 32-bit integers and write them to a file, in hex format, 80 characters (ten 32-bit integers) …

Ok so I am writing an entry level CV. I have no previous experience in the computing industry although I have listed personal projects I have done for others etc... My question is, for the last five years or so I have worked in a factory, not related to computing, …

ibm bridge current why tring to reset bios

Hello, I am going to build a program using one data structure, I am trying to figure out what are the advantages of using a sorted array over using a hashtable with chaining? Thanks

Hey all; I've been reading SICP and been wanting to write code from the book and the solutions to exercises and execute that code. I find MIT-GNU Scheme, the recommended interpreter, to be very confusing and very slow or impossible to use. I can't even get some of the basic …

I am going to create a list in java, what would be the best thing to use to check whether or not there are duplicates in the list: 1.x.compareTo(y) (Can I use this one?) 2.x.equals(y) 3. x == y Thanks

Hi, Very fast question guys, since tomorrow is my quiz and I have to sleep now. I stompled upon an old question asking to ** remove the root of the AVL Tree** . I never tried that before, after a very fast search, I found this PDF File https://www.student.cs.uwaterloo.ca/~cs240/s10/handouts/tree-examples.pdf ** …

guys, i am working on my final year project,ONLINE RECRUITMENT SITE FOR EDUCATIONAL INSTITUTES, and i am in big trouble , first they accepted my project but now they are saying that WHATS DIFFERENT OR INNOVATIVE IN YOUR WEBSITE ? THERE ARE MANY WEBSITES ON WEB ABOUT ONLINE RECRUITMENT ? …

Hi I'm currently going through some questions, basically studying up one bits for my operating systems unit and my particular weakness is algorithms and 'working out' type questions such as this one below. Consider the following snapshot of the system, with 4 types of resources and 3 processes, P1, P2 …

For any integer n > 1, if Al, A2, A3, ... , An, and B are any sets, then (A1 -B) (A2 -B) ... (An -B) = (Al A2 A3 … An) -B. I was able to prove for all sets A, B, and C, (A -B)(C -B)= (AC) - …

what is an algorithm for a program that reads 4 integers (not in array) and print them without using loop

Im currently a student having degree in Computer Science. I had learn Java, C language, SQL, asp.net, javascript and html. In my course structure, I had learn AI, algorithm analysis, database system, object-oriented programming practices and etc. Im interest in forensic things and I want my final year project is …

I'm a programmer.. I love to code.. But sometimes it gets really hard to think about the solution of some problems. I have basic knowledge of c, c++ and java. I also know web programming languages like html, javascript, php, css etc. But when it comes to experience, I have …

Hi, i am not sure whether this topic would go under this category, thought this would be more suitable what are the famous software architectures? i have to do an research on this an present, I am new to this topic appreciate a reply thanks

The programming language for this is ada. So I have a lab I need to do for my CS class, and I got it basically done. The only problem is, I can enter the cost, and the amount tendered. But after that it doesn't return any of the values. What …

Hi!!!! I'm currently doing BCS. I'm in last year... I dont know what to do after my graduation. I have so much interest in programming.. But I want to practice more programs before i go to find a job. I was thinkin of takin a break for a year. Mybe …

Hi! Sorry if this is the wrong forum to post this on but... I had a Leopard computer with all developer tools installed. Then I upgraded to Snow Leopard (erase and install), and restored from time machine. I tried the gcc command only to get "gcc: command not found". The …

What is the running time for the following recursive function: pubic static int Sum(int [] a, int start, int end) { if ((end – start) = =0) return a[end]; else { int mid = (end + start) / 2; return (Sum(a, start,mid) + Sum(a,mid+1,end)); } } Can someone please explain …

We had been assigned a problem in our Data Structures Laboratory that goes like this: Fill 4 queues with 10 numbers each(Ranging from 1 through 20).Each number need not be unique,i.e a number may be repeated in a queue.Remove an element from each queue.Say 1,3,11,6 are removed from queues 1,2,3 …

Prove that there is a positive integer that can be written as the sum of squares of positive integers in two different ways. For some reason this is not clicking in my head and I can not figure it out. Any help will be greatly appreciated and I would appreciate …

i'm learning about networking on a site and there says there are 3 types of sending data: unicast, multicast and broadcast in the unicast case the IP layer encapsulates the IP destination(let's say "derp"). the interesting fact i've read about the unicast is that all machines within the same network …

I've been using the HxD hex editor by Mael Horz and recently learned about its ability to display the contents of my entire hard drive(about 1 terabyte). My assumption is that all this data retrieved from the hard drive must be kept in RAM first, and then it can be …

Hey, iv been looking around for help with a problem with a program i am working on, but i cant find an appropriate category on any forum really. The program is a flash swf compiler. But at the moment i am having problems understand a certain data structure (the abc …

Hey everybody.I am going into the second year of a Computer Science degree that I am paying for out of pocket, so can only attend part-time. I have taken a Javascript class, basic web development (HTML, CSS, JS), and will take Visual Basic and a hardware class in the fall. …

can u give me some details regarding this paper?can u plz tell me what is a master defect record and feature association?

Hello, iv been working on generating a swf tag generator for a project. However i am having trouble understanding how certain values are generated. The shape i have defined in flash is 200 pixels wide and 200 pixels in height and placed at X, 20 and Y 20. The problem …

I'm just curious, allot of news and comments I read online, people say hackers have to learn programming in order to hack or computer science Is It true? or am I mistaken.

hello friends, i want to learn cryptography,steganography ane algorithms , i have tried some books but failed. is there any way to learn from beginning and easily? thanks.

So this is mainly a Design/Clean Coding sort of question, I know I've read something about this previously but I can't find it, I believe it's in one of my reference books on C/C++ so it wouldn't likely be useful to my predicament. This question includes a lot of Java …

I am a programming student and I've realized lately that while I understand many of the concepts I'm being taught, I still, after several programming classes, tend to have trouble with multi dimensional arrays. Does anyone know of a good tutorial devoted to this? I realize I can do a …

i need a topic for thesis proposal. please suggest some ideas. i'm thinking of natural language and AI but .. I'm not sure of it. I want something that can be very helpful and significant. Actually I want something to help the government, but I don't know what they need, …

Hi this is a questing from some cs home work. Our task was to take a ada spec file and write the code for the functions and the main program, I have already done this in c++ but am having problems doing it in ada. here is my code: package …

Hello, I'm pretty new to SQL and I have only worked with one-two table(s) at time. I got an assignment now against multiple tables, and the queries it wants me to solve is really hard. I was just wondering if you could help me to solve and understand these questions? …

Hi everyone, I am working with MARIE and need help with the following: Write the equivalent C++ code in MARIE: / cin >> Max; / Count = 0; / Sum = 0; / While (Count < Max){ / Count++; / cin >> Number; / cout << Number; / if (Number …

Hello, I'm currently studying and sometime soon will have to do a final year project (which runs through the year).. Now I've been looking at stuff om image recognition and although it interests me I want to do some kind of signals or signalling. My idea is to capture the …

I am a Computer Science student. This semester I am taking an Artificial Intelligence course in which a large number of our labs will be programming with Lisp. Here on DaniWeb under Software Development I did not see a category for Lisp. I was wondering if anybody out there knew …

Hello, I am currently working on an algorithm and i am quite confused. The algoritm is: Put q = 19 1. For i=1 to 3 If the ith element of the list is a letter then If the letter’s position in the alphabet is an odd number then q = …

Hi, Can i ask something?is it possible to make a batch file or something like a script that when i clicked on it, it will open the the command prompt and directly goes to the path that i desire.with out anymore using the command CD D:/my folder Thank you in …

What is the difference between Standard and Non-standard Wiener process?

Im planning on creating a program that stores & retrieves data (names and addr. 4 now)which lang will do this (gui too) and will give room to make d program more complex (as i get better)i already know a little java and python your suggestions,advise will be appreciated(ive got roughly …

I need to find the exact operation count and i got confused over the below 2 Is a=b+c+d considered as one instruction or 2 instructions? Similarly is a+=b one instruction or 2?

I have a test tomorrow about some few things I just can't quite understand/grasp to well. I forgot to ask these questions in class which is something unintelligent to do. If the computer uses 8 bits to represent a real number, assume the radix point is always between the 3rd …

My teacher has just teach me about complexity of algorithm and he has gave me some homework. I have solve almost all except for this ex: Consider a robot arm that is fixed at one end. The arm contains two elbows at each of which it is possible to rotate …

Any file's primary header contains some things which are common to all operating system like entry point function, time stamp etc and then other things. What is the purpose of keeping this time stamp in the header. Thanks

Hi there, My question is about 2^(2n) = O(2^n) ; is it true or false? and we know that: [B]f(n) = O(g(n))[/B] if positive integers [B]c[/B] and [B]n0[/B] exist such that for every [B]n >= n0[/B] : [B]f(n) <= c*g(n)[/B] Based on the definition, I'm thinking the above statement is …

Hello, what the title says, I'm really confused with recursion. I understand the basics like what we actually call a recursive method (a method that calls itself within its body) but I can't seem to understand how it is used (especially the factorial example). OK, the following example is the …

Pick a "c" and "n" for the problem below. f(n) = 2nlgn, g(n) = n^2-n My answer is below, but I am not sure if I am correct. I've been trying to figure out this same problem for a while. [B]The real solution is at the bottom, but I don't …

Hello forum, Vaironl here. I have a question, which has been bothering me quite a bit for a while now. I would like to say, I love programming. Making UI's, making desktop and mobile applications. I started to program recently about 1 year now. I'm going to college with a …

How do I represent a use case that has no actor? I'm doing the preliminary work for an IT system. I'm trying to list up all the actors so that I can create all the use cases that I need; however, there are things like background processes that must run …