Computer Definition and 998 Threads

I'm thinking about building a rotating platform (horizontal rotation, like merry-go-round) which will be controlled by computer instructions. the platform will rotate with accuracy to 1 decimal point degree. a load will be mounted on this rotating platform, could weigh up to 200kg. what's the...

Hi all, Over the summer I have been working hard to net some extra cash to acquire a desktop computer for education based purposes. Physics research, modelling, and coding is what to be expected. I am hoping to have this computer be my main setup for the end of undergraduate (2 years) and...

Hi guys. I'm a junior in high school and am debating on which field to pursue. I know it's a bit early for me but I've always wanted to go into a career with computers and just wanted some help. I'm sure similar questions have been asked before but if you would be so kind as of to answer some of...

Homework Statement When I try and play it, it says that the Index out of range system was unhandled. I am pretty sure it is the j loop. Please help. In the game Connect 4, you can win diagonally, the grid is 6 squares down and 7 across. (5 positions down, 6 positions across including 0.)...

I want to become computer expert in all aspects I know programming I study Electrical Engineering in university and I love computers I want to know computers in basic level If I want to learn basic about computers what work should I do? between data structures , operating system , computer...

this question always arises in my mind after working on my iPad, that what will be the future of computer industry, 10 years from now... Is it going to help us or will it be the main cause of destruction. We humans are no magician, who can tell the future but I want suggestion on-- How you all...

Hi guys I'm going to study CS in college this fall, but don't know if I need to upgrade my computer or not. I understand you need a lot of computing power for some heavy caculation but just wondering is that going to happen at the college level courses. My current set up is a pc with i3 3220...

I think I understand quantum superposition and entanglement, and a qubit. I just finished reading Scott Aaronson's brilliant blog post "Shor I'll Do It" that allowed me to understand Shor's Algorithm and how it relates to QM. But now I'm missing the next step. How does one "wire up" a number...

Hello. I've just recently been accepted to an electrical and computer engineering course. I've only been out of school for 2 weeks but I can already tell that my memory is slipping and I can't remember anything I did. My course starts in late august, and I want to prepare for it so that I have...

I am interested in physics, so hello every one here!

I'm interested in expanding my computer knowledge. Specifically, computer science knowledge. I've taken a few numerical methods courses, but they were all in MATLAB. My strategy this summer was to study physics problems like PDEs and solve them in some language I don't know like C++. Also, I...

Hello, Is there any number goes with our computer to internet ?

I have a situation. One of the computers I work with (desktop, early 2000's gateway) doesn't turn on anymore. The last time it was working was 3 hours prior to when I began working with it. The power button was flashing, showing hibernation. The screen was off. I moved the mouse and nothing...

I am currently still a high school student but i will be going to university next year. I've long decided to take a double major of physics and computer science. I can get a scholarship for undergrad. But my question is about after I get my Bachelors Degrees in both computer science and physics...

Hi everyone. I am a rising high school senior. This summer, I plan to study for fun Electricity and Magnetism from a college textbook that a friend gave me, do some calculus, and do some C++ programming [C++ How to Program is the book I am using]. I am a mathematically, logically constructed...

My GF forgot the password of her old acer laptop, which she didn't use much. Now she asked to me to help her recover the password. I only know reinstall the os but this will erase the data on the computer. What is the method i can use to reset the password without losing any data?

Computer science major here. I recently completed calculus I, II, III. Now I know that I'll probably be required to take linear algebra. So far, I expect to do some Gaussian elimination (assuming I know what a row echelon is). What else should I expect from linear algebra?

Would somebody like to adivse me simple introductory books on computer security. I know I could make a Google search but I hope advises are better and there is no previous thread about introductory books on related topic. Thank you.

Homework Statement Create this website: In this game, there are four different coloured blocks (red, green, blue, and yellow). The computer hides three different coloured blocks from the user. The user then tries to guess the colours and the order of the blocks. After guessing the colour of...

You can now register with IBM to use their quantum computer on line. see “IBM Quantum Experience” website. Of course you have to convince them that you are worthy of that experience.

How significant is this development of a 5 qubit computer by IBM? See, "IBM invites users to test its quantum computer" at http://phys.org/news/2016-05-ibm-users-quantum.html "How IBM’s new five-qubit universal quantum computer works" at...

I'm sorry if this is a bit of a mundane question but we all do impulsive things when we're anxious. I may get a B+ in General Physics II and Calculus II this semester (2nd semester freshman). I know I am capable of much better, and to be honest, I was very bogged down emotionally/psychologically...

Hi, some of my html and txt files have added the extension .crypt, i.e, they have become .txt.crypt and .htm.crypt. Now I deletes .crypt extension from .htm files but now they do not open correctly. How can I open correctly with internet explorer? Thank you.

Hi, I'm applying at a swiss univerity (EPFL) and I already have to pick my major. Here's the thing : I currently love programming. I enjoy finding beautiful ways to solve math programming challenges on the net. (I code in Python). I love automating stuff with programming. I love projects : I...

Which is better: the traditional glossy screen or that newer matte screen?

Hi I have been admitted to University of Toronto[ Trinity college] and McGill University as an international student for physics major. I am planning to do double major in computer science and physics. I want to know which university is better for these subject at an undergrad level. I have to...

Homework Statement Find the probability that a randomly generated bit string of length 10 begins with a 1 or ends with a 00 if a)a 0 bit and a 1 bit are equally likely. b)The probability that a bit is a 1 is .7 c)The probability that the ith bit is a 1 is 1/2i for i=1,2,3,...,10 Homework...

My situation is this: I graduated with a B.S. in Computer Science in 2011 and have been working ever since. Now I'm thinking of returning to school for physics, with the ultimate goal of going to graduate school for physics. I think it's safe to assume I am not well prepared for graduate...

If a job listing asks for a degree in computer science, can someone with a computer engineering degree apply for that job? assuming the computer engineer meets all other qualifications

Can you get into a graduate program for biomedical engineering with a computer engineering degree? would you be at a big disadvantage to someone with an electrical engineering degree?

Homework Statement I was recently assigned an assignment where my instructor told us to come up with an idea for a numeric classical mechanics problem that is solved by computer methods. Some ideas the instructor gave was to simulate motion of a sun-earth-moon system or simulate the tides of a...

So I had this question in my mind and I made a thread previously saying if it is possible to make more CPU simulator out of an existing computer. Turns out it is a no because it takes more instructions cycle to change the 0 and 1. Now we are doing it in terms of computer graphics, we are...

I am not an expert in the field, but intuitively I think that a resume with both math and computer science has a lot of impact. I also think that math can help me understand computer science better. Next quarter, I am planning to take classical geometry, so I am just wondering if this class...

Hi, anyone into analog computing? I was wondering if there is an example of a simple virtual analog computer somewhere (open source), I can't seem to find one. I'm interested in basic principles of advancing the state of the network, as you must do on a digital computer. I found some complex...

Hello! My hobbies are tinkering on my computer and mathematics. Physics is not bad but I do not love it like I do mathematics. I like the logic and analytical skills that it requires. I like solving problems. I recently dropped out of Aeronautical Engineering because I simply did not like over...

This is an article I just found out about. It deals with computer science on about half of it, but the most interesting discussions concern educational values. Here is the article: https://www.cs.utexas.edu/users/EWD/transcriptions/EWD10xx/EWD1036.html I would like to know others' thoughts on...

what are the different kinds of input can be given to make a pose graph?

Got a phone call this morning from someone speaking very very broken English claiming that my computer had issues. I told him I used a Commodore 64 computer so I didn't see how that was possible. There was a long silence. Then he said something about that I was using genuine Microsoft windows...

Mark44 submitted a new PF Insights post Why Can't My Computer Do Simple Arithmetic? Continue reading the Original PF Insights Post.

Hi everybody, I'm looking for some advice in what to do for choosing a career in a few weeks i'll be able to change my career path, I've recently applied for a career change in my school and next february 11 they'll tell me if my change of career is approved. it's very likely that i´ll obtain...

Homework Statement Router architecture. Consider a router with a T1 serial interface and two 100 Mbps Ethernet interfaces. The router has a 1 GB buffer for storing packet traffic. Calculate, in the worst case, how long the router can sustain loss-less operations. Define carefully what traffic...

If I simulate a virtual computer inside a real computer graphically, would it take more resources or would it work like before? It is different from cloud computing, I'm simulating a computer graphically.

I checked the stock price for a few electrical companies and the stock price seems to be going down, what is the cause of that? Since I live oversea I'd like to know

Right now I am a sophomore studying to be a computer science major. As of now I am wanting to go to grad school to get a masters. I was curious though if computer science was the only thing I could get a masters in though. Such as would it be possible to get a masters in computer engineering...

Dear Group, I would like to ask a question regarding to the batch file, I am trying to create a batch file which could help to to shutdown to computer quickly, but when i run batch file, the command window showed up and keep running too many line but did not shut down the computer. But when...

Well I'm in grade 11 and for an investigation I decided I'd observe the behavior of protons once the neutrons and electrons are removed from the atom. Specifically I want to observe how the acceleration at which the protons move apart from each other varies with the mass of the atom (i.e. #...

Hello Everyone, I am a high school physics teacher seeking to give advice to students of mine that are interested in pursuing a physics major. I would imagine that if they want to do any undergraduate research then they better have some programming experience, because I can not imagine how they...

For a person who like to go forward in the Computer Field, what is the best to choose in higher education? Computer Science or Engineering(Software/Hardware/Network .etc)? {And also what are the differences regarding the economical benefits related to Computer Science and Computer Engineering?}

Hello All. I am a an adult who bombed mathematics at school. The past 20 years I have been increasingly interested in reading around physics and math topics; but I am constantly stymied by my lack of mathematical training. So, to remedy this, I have been trying to teach myself math for the...

Dear Group, I have 1 tablet and 1 desktop, I am trying to use tablet with putty.exe to remote a desktop without internet connection, My goal is creating bat file on the tablet, edit file such as: "start putty.exe -v -ssh %finderunit% -l FINDER -pw finder -m calibrate_commands.txt" . Means...