twos-complement

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Negative numbers are stored as 2's complement in memory, how does the CPU know if it's negative or positive?

-1 can be represented in 4 bit binary as (2\'s complement) 1111 15 is also represented as 1111.开发者_StackOverflow社区[详细]

2023-04-11 13:22 分类：问答
Converting hex to binary and one and two's complement in 16 bits

I am trying to convert FFAD (hex) to a decimal value and then do one and two\'s complement on it. FFAD is represented as a 16 bit integer.[详细]

2023-04-10 11:15 分类：问答
How to add and subtract 16 bit floating point half precision numbers?

How do I add and sub开发者_如何学Pythontract 16 bit floating point half precision numbers? Say I need to add or subtract:[详细]

2023-04-09 17:01 分类：问答
Subtraction of 2 negative integer (two's complement) never overflowing

I 开发者_JAVA技巧came across this in a computer architecture textbook: Subtracting a strictly negative integer from another strictly negative integer (in two\'s complement) will never overflow.[详细]

2023-04-08 02:09 分类：问答
Converting 32 bit hexadecimals to decimal in java

for an assignment I have to write a program that will take in an 8 character string(hexadecimal) and then convert it to base 10. I am not allowed to use any outside classes to do this. I\'m pretty sur[详细]

2023-04-07 22:46 分类：问答
Why Two's Complement?

I\'m writing a tutorial to teach kids (ages 9 to 13) about programming. I started with computers themselves, they don\'t have that much to do with computer science, it\'s more about the process involv[详细]

2023-03-23 05:38 分类：问答
2's complement hex number to decimal in java

I have a hex string that represents a 2\'s comple开发者_运维问答ment number. Is there an easy way (libraries/functions) to translate the hex into a decimal without working directly with its bits??[详细]

2023-03-20 05:13 分类：问答
subtracting two values of unknown bitsize

I\'m trying to subtract two values from each other using twos compliment. I have a problem with the overflowing bit. Since my container hold an unlimited bit sized integer, I don\'t know if the top bi[详细]

2023-03-15 15:37 分类：问答
Why are the bits inverted in one's complement? [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]

2023-03-11 19:55 分类：问答
sra(shift right arithmetic) vs srl (shift right logical)

Pleasetake a look at these two pieces of pseudo-assembly code: 1) li $t0,53 sll $t1,$t0,2 srl $t2,$t0,2 sra $t3,$t0,2[详细]

2023-03-10 21:25 分类：问答