1,518 Answered Questions for the topic computer science
07/10/19
Which cloud certifications are the most valuable for a lucrative career, AWS or Azure?
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Computer Science
07/09/19
Why is logical space in a 32-bit system specified in bytes rather than bits?
It is claimed in my textbook that in a 32-bit system, The instruction LDR r4,[r6] lets you address a logical space of 4GB.I know where the 4GB comes from, It is simply 2^32 / (1024 x 1024 x 1024)....
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Computer Science
07/09/19
Why do servers use ECC memory?
I understand that ECC checks for errors and corrects them automatically without the knowledge of the operating system or user. I don't understand however why servers often use ECC memory?
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07/09/19
Is finding the equivalence of two functions undecidable?
Is it impossible to know if two functions are equivalent? For example, a compiler writer wants to determine if two functions that the developer has written perform the same operation, what methods...
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07/08/19
What is a Y-combinator?
How do combinators work? What are they good for? Are they useful in procedural languages?
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07/08/19
What's a Turing machine?
What is a Turing machine and why do people keep mentioning it? My IBM PC is all I need to do my computation! Why does anyone care about these machines?
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07/08/19
What is the difference between Microsoft Visual Studio vs Azure? Which is recommended for working with databases?
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Computer Science
07/03/19
Difference between time complexity and computational complexity?
For measuring the complexity of an algorithm, is it time complexity, or computational complexity? What is the difference between them?I used to calculate the maximum (worst) count of basic (most...
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07/02/19
How much does CCNA exam cost?
Computer Science
07/01/19
What component of a computer converts binary/machine code to electrical signals and how?
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...
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06/27/19
P implies Q, how to read in english?
how to read P implies Q in classical logic?
example :
Distributivity:
Ka(X->Y) -> (KaX -> KaY)
This is modal logic which uses classical logic rules.
KaX : a knows the that X is...
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06/25/19
What is the cloud? Can it be explained in terms that a non-technical person can understand?
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06/25/19
What are some good computer science resources for a blind programmer?
I'm a totally blind individual who would like to learn more of the theory aspect of computer science. I've had an intro data structures class and the general intro programming but would like to...
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Computer Science
06/22/19
Why is a regular language called 'regular'?
I have just completed the first chapter of the [*Introduction to the Theory of Computation*](http://www-math.mit.edu/~sipser/book.html) by *Michael Sipser* which explains the basics of finite...
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06/22/19
Exactly what is the difference between a "closure" and a "block"?
I've found that lots of people use the words *closure* and *block* interchangeably. Most of these people can't explain what they're talking about. I'm looking for a precise, computer science...
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06/17/19
Getting actual numbers based on numbers per 100 and 100,000
I have been given guns per 100, and the total firearm-related deaths per 100,000. I have to find the actual number of guns per country and the actual number of gun-related deaths. The first country...
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