Computer Definition and 999 Threads

Okay so I was recently accepted to Cornell University's Computer Science program (engineering). I plan on becoming a software engineer when I graduate, but am unsure of what path I should take. From what I've seen, only a computer science degree is needed, but I would think that more math would...

I am planing on taking physics as a major, and am also considering studying computer science on the side (my school offers a 5 year cs masters when your majoring in physics). The thing is, I know nothing about computers. I barely understand the difference in software and hardware. When I see an...

Homework Statement Prove that a line in 3D space is imaged to a line on the image plane in a pinhole camera model. Homework Equations A 3D point give by (X,Y,Z) will be imaged on the image plane at x = f(\frac{X}{Z}) and y = f(\frac{Y}{Z}) where f is the focal point. The Attempt at...

Hi guys, I am a newcomer to this. Actually I have confusion about Computer Architecture basics. So, I want to know what CPU actually is ? I mean is it a Microprocessor or Micro controller ? What is the difference between CPU and Processor ? If CPU is a Processor, then why we call it as...

Computer Engineering vs Computer Science ?? Hello ! I am a student from India. I have finished high school and now I can't decide what to study Computer Engineering or Computer Science. I'll be applying as a transfer student to some of the universities in USA/Canada next year. Mainly...

I have an issue with my computer architecture problem. Computer has intial I=0, PC=100, AC=ABCD, Address 055. The content of memory location (055) is 7777. I have to find PC, AR, DR, AC, and IR from that information using the STA instruction. The STA instruction is M[AR] <-AC I...

I need some help on solving a few problems... Basic Computer has initial I=0, PC=100, AC=ABCD Address 055 Memory Location, Instruction, PC, AR, DR, AC, IR INITIAL, 100, -, -, ABCD, - 100...

As stated in the title, what are some similarities and differences between computer science and computational science? More specifically, as it pertains to graduate programs. From what I gather, computational science is a little more applied while computer science is more theoretical. Is this...

Why is a quantum computer theoretically faster than a regular computer? Is it because of parallelization?

Hello, I am going to be attending Dalhousie university next September. I have been accepted there, but am now faced with a difficult decision. I don't know if I want to pursue computer science or engineering (electrical or computer engineering). I have loved computer science since a young...

Homework Statement Two computers are connected to a password-protected wireless network. When the password is temporarily removed, a virus can attack the first computer with probability 0.5, the second computer with probability 0.7, and it can attack both computers with probability 0.4. The...

Hey guys, I've just started at grad school, and I'm going to upgrade my laptop for graduate school. I'll be doing a lot of coding in FORTRAN, so I definitely need to be running Linux on it. The question is, is it preferable to get a PC and dual boot it or to get a linux laptop, and not...

Hello Forum, I have a MacPro Apple computer. I just got a new power adapter rated 85 W. Does it mean that the computer is always drawing 85 W of power does is the power delivered depend on how many programs are open, etc...? thanks fisico30

Hello guys Im totally new to this stuff and looking forward to work on it please help if you could... I went to my professor for the same, she said that it can be done using parallel port programming or serial port... But i don't know how to do it... can you please help how can i get started...

I need some topics to write about for my research paper. I'm writing about how computer science and technology both force the other to expand. The 3 examples I'm writing about now are hardware/processor enabled security (ie I'm comparing 16bit x86 which had no security to 32bit which did)...

Homework Statement Server farms such as Google and Yahoo! provide enough compute capacity for the highest request rate of the day. Imagine that most of the time these servers operate at only 60% capacity. Assume further that the power does not scale linearly with the load; that is, when the...

Hello there, I'm not really big on posting around here, mostly just lurk and read. Today however I feel I really need some help with making an important decision in my life. Being that this is the physics forums, and almost all of you are going to have a better knowledge of physics and even...

Homework Statement Create a class called, ThreeObjectAnimation, that creates a graphic animation with three animation object. The ThreeObjectAnimation class should move three objects around the frame, either randomly, or following a fixed pattern. The movements should occur every 250...

when i pressed the power button on my imac g3 desktop computer, there was a bright flash from inside the computer (it has a transparent blue top), and a burning smell such as when a fuse blows i tried using a different power lead a few hours later, the same thing happened again everything...

Hello, i am from Peru and about to finish my degree in Industrial Engineering in March with outstanding grades. In order to start a career in Computer science i have thought of this options: 1. Start a BS in CS from an ivy league school. (will my good grades in my previous degree help?) 2...

i haven't clicked on it. better safe than sorry.:smile: if it is somebody ought to remove it. Have A Nice Day!

hello my fellow physicists. I have a degree in industrial engineering but my true passion is computer science. I want to apply to a MSc conversion program in computer science in the UK. Will this prepare me for a PhD? is this a bad idea? will not having an undergraduate degree in CS be a problem...

What is auxiliary state?

Hi there. I'm currently in grade 11. I'm taking courses like physics, chemistry, math and computer science. I do very well in school when I put in the effort but lately I've just been procrastinating and being sort of apathetic about everything except technology. I am very addicted to the...

One of my life goals is to really just learn how a computer works. I want to learn all the mathematics it takes to understand how a computer works, i want to know the history of it, i want to basically go back to first principles of how a computer works and understand how it evolved into it's...

Why quantum computers are faster?

Hi, I'm new to Physics Forums and in dire need of your help. Please bear with me, here it goes: Though I'm sure this goes through every person's head who wants to go through University, I really have no good idea of which courses I want to take. I thought maybe computer science would be the...

My name is maksim and this is the first time i am posting question in forums. I am using windows 7 computer which has 250 gb hard drive in it. hard drive has 4 partitions C, D, E and F. Partition C has operating system installed in it which i don't use as told by my friend. The remaining dives...

So it's my last year in high school and I enjoy programming but I don't know if I should apply to either computer science or software engineering. What really is the difference between the two majors?

The big stumbling block has been electrical interference on memory chips, and a claimed solution has been found, paving the way for flexible computers, and display technology. Not too far in the future this may be possible: watch the youtube video: Rhody...

Hi. I'm wondering if you leave your computer or any electronic devices near you operating when you are doing your homework or are studying. If so, do you find that it distracts you?

What are some example careers? What do you usually do? Hardware? Make computers?

Would you consider a computer scientist (someone with a PhD & doing research) as a traditional scientist? I mean, there's no rigorous method that defines computer science as a "science" in the proper sense that is guided by the scientific method of making hypotheses, gathering evidence...

I got my old tests back today. And I don't understand what i did wrong?? p.s. teacher is not available at the moment( sub//part time teacher). 1. How much memory does it take to hold a 512x512 color image with 256 different levels of color(states)?? Okay, this one I just guessed and...

I have a Dell Inspiron 1525 and it won't charge. When I plug it in the charger, all it says is "Plugged in, not charging." I have replaced the battery but it still won't work, what is going on? Also, there is not enough power in the computer to keep going, so the charger has to be plugged in...

Hi, Would anybody tell me that how can I recognize the viruses so that I may give up clearly? Regards,

i'm looking for computer simulations of expanding space. i made a couple of very very very simple models and my results were no where near our current model of space. hence, I'm looking for work that has already been done on the subject.

Hello!So recently I've been playing with 555 timers. And I am beginning to understand how powerful they can be.With that reset pin switching capabilities are endless. But that led me to thinking.How can I make that switch, which you have at your computer, that power on and off switch. The switch...

I am wondering how I would create a really simple electronic calculator/computer

On my newer computer, the Latex displays pretty decently. (Not as good as on the ipad though.) On my older computer, the Latex displays pretty crappily, rough around the edges and so forth. What determines the clarity of the Latex display? Is it the graphics card in the computer? or are there...

I am using cookies to find out how the people that bought my programs located my site. This is what I found in my log today: xxx.xxx.xxx.xxx.pppoe.eltel.net - - [17/Nov/2011:13:24:24 +0100] "GET /chembuddy/?left=BATE&right=pH-calculator HTTP/1.1" 200 9020...

In the context of Computer Graphics, what is a bilinear patch?

Hi everyone, I am hoping that someone may be able to advise me on an issue i currently have. I am trying to implement a Physics computer simulation (only basic) designed for children learning about forces. One of the sub games that i have created is to fire a character from a cannon and find...

Homework Statement A computer disk drive is turned on starting from rest and has constant angular acceleration. If it took 0.690s for the drive to make its second complete revolution, how long did it take to make the first complete revolution? What is the angular acceleration?Homework Equations...

Hai, I see many programming languages with instructions etc., and computer performing accordingly. Also, I hear computer converts the instructions into binary and it performs operations. Well, what I don't get is, even though it converts the instructions binary, how can it understand that...

Given an arbitrary one dimensional vector v imputed by the user for example v='Helllllloooooo' or v='Helo' I was able to append empty characters onto anyone dimensional vector that the user can enter so that way the total length of the vector is a multiple of 8 characters of long or not add...

Hello, everyone. My name is Sam. I am a freshman in college, and I am-- let us just say-- very worried about how in the world I could ever get a job in the field I want. I have grown up in Louisiana, Shreveport. My entire life I've been prepped to the belief that you go to college and then...

I'm currently in high school and I'm deciding whether or not to take a computer course such as Computer Science. The thing is, it seems like a dull subject (sorry to those who like it, this is just my opinion) involving basic mathematics. My friends have told me it's helpful for university...

I am trying to understand how light works in computer graphics. Especially OpenGL 3+. So I was given a paper that says how to calculate light. It says "normalise the vectors before taking the dot product".How do I normalize vectors and why? I have to compute the normals to a vertex. What is a...

Can someone explain to me how fluids are simulated using particles? What equations to solve? How to update the particle positions? How awfully computer intensive is the algorithm? Can a simulation using a 100 * 100 * 10 grid run okay on the average computer? The more I read the more I realize...