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46
votes
16answers
4k views

Why do computers count from zero?

Computers traditionally tally numerical values starting from zero. For example, arrays in C-based programming languages start from index zero. What historical reasons exist for this, and what ...
3
votes
1answer
65 views

how does a computer know the extension of a file

Just a curious question, how does a computer work out what file tyue a certain file is. E.G. How does a computer work out that this pages is a type of html? of each file, s there header information ...
2
votes
5answers
173 views

Finding Academic Papers in Computer Science [closed]

I'm not sure whether this is the right place to be asking such a question, but here goes... I'm a final-year Computer Science student looking towards researching a project idea. However, when it ...
2
votes
1answer
119 views

Minimum Cost Network Optimization Software [closed]

I'm trying to solve a Minimum Cost Network Flow problem (for assigning students to their preferred classes). I've tried GIDEN but the software isn't great. Does anyone know of other options?
1
vote
1answer
274 views

What is the difference between computer science and computer engineering? [closed]

I know that a computer scientist do programming, and I'm going to study computer science (or game development....or server administration...or...LOL) - but I don't know what a computer engineer does! ...
1
vote
1answer
23 views

Science computation approach & errors

After reading one interesting science paper last week, I'd like to hear opinion of someone experienced or who is "in the theme": Modern processors have some finite level of precision, so what ...
0
votes
0answers
16 views

Is the PCH part of the PCIe Root Complex?

I always thought that the CPU and the PCH together make up the Root Complex, because both contain Root Ports and therefore are connecting PCIe devices to CPU and memory, but yesterday I read this ...
0
votes
1answer
28 views

If the permissions on a file were set so that everyone could read from or write to the file, how would that be represented symbolically

If the permissions on a file were set so that everyone could read from or write to the file, how would that be represented symbolically (within the output of an 'ls -l' command)?
0
votes
2answers
55 views

What exactly is a Data Object

I'm confused on what meaning of Data Object is. Is it the place in memory? Is it the variable or the value of the variable? I've looked on line and found nothing (to me) comprehensible. EDIT ...
-1
votes
1answer
42 views

Computer Course Subjects [closed]

I'm starting a computer course for novice to slightly intermediate users to teach them more about the computer. I am an experienced user. What I'm looking for is topics to discuss. So far, this is ...
-4
votes
1answer
156 views

How do I buy a standalone LCD Inverter? (For Science) [closed]

I was searching Ebay for an LCD inverter to connect a naked laptop LCD to a VGA port... for science. Some things I know, some things I don't. But for the sake of simplicity and ADHD... ill spare you ...