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0
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0answers
22 views

What software can write to Cache memory?

I was working through a Higher Computing past paper and the following question came up Describe a situation where the cache memory would not improve the processor’s performance (1 mark) The ...
0
votes
1answer
94 views

Who uses RISC and who uses CISC today? [closed]

Which OS still uses RISC (Reduced Instruction Set Computing) and which uses CISC(Complex Instruction Set Computing) Architecture? Can any one tell me which OS uses which instruction set?
-8
votes
1answer
73 views

Basically Everything [closed]

Okay, I just started looking at tutorials online and doing Codecademy, CodeSchool, Linux Academy, Cybrary.it, etc, etc. but I still don't understand most of the solutions/questions people discuss on ...
-5
votes
1answer
21 views

Multi-Threading, Multi-Tasking and Multi-Processing [closed]

What are differences between Multi-Threading Multi-Tasking Multi-Processing , And which one has most relation to parallel computing?
-2
votes
1answer
26 views

Is teletyping a function of modern computers?

The internet tends to give a good description of teletyping when referring to "ancient" computer systems (basically, computers before PCs, lol) but im not sure of how they relate to computers we use ...
-1
votes
2answers
377 views

What converts binary code/machine code to electrical signals and how? [closed]

I went through lots of blogs and posts but could not exactly figure out how the machine code is converted to electrical signals? Any software program is compiled to machine code which is nothing but ...
0
votes
1answer
88 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
62 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 Here'...
-5
votes
1answer
445 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 ...
-1
votes
1answer
49 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 ...
1
vote
1answer
26 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 ...
51
votes
16answers
6k 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
83 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 ...
1
vote
1answer
287 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! ...
2
votes
1answer
122 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?
2
votes
5answers
176 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 ...