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3
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3answers
58 views

How does word size affect the amount of virtual address space available?

So, I should really know this stuff already, but I am starting to learn more about the lower levels of software development. I am currently reading Computer Systems: A Programmer's Perspective. by ...
0
votes
3answers
400 views

How are negative signed values stored? [duplicate]

I was watching this video on the maximum and minimum values of signed integers. Take an example of a positive signed value - 0000 0001 The first bit denotes that the number is positive and the last ...
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1answer
141 views

Understanding bitmap logic

I was going though this blog and it says You can represent a list of distinct integers no larger than N using exactly N bits: if the integer i appears in your list, you set the i th bit to true. ...
2
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1answer
333 views

Clearing the lowest set bit of a number

I can see in this tutorial on bit manipulation, under the heading "Extracting every last bit", that - Suppose we wish to find the lowest set bit of x (which is known to be non-zero). If we ...
3
votes
3answers
701 views

8 bit and 1 byte, is this a valid question to be asked?

I saw these question in our school's past paper, and I'm wondering if this is a valid question. How big is bool in C and C++? A) 1 bit B) 4 bit C) 8 bit D) 1 byte What is ...
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3answers
307 views

How do I tell a user that bps means bits per second or bytes per second?

I'm writing an application that deals with the network and the hard drive. For the network portion, the application measures in bits per second, while the disk portion measures in bytes per second. ...