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blsea [12.9K]
4 years ago
14

System uses a 6-bit 2’s complement signed integer representation. What is the range of decimal values it can represent?

Computers and Technology
1 answer:
kap26 [50]4 years ago
6 0

Answer:

-32 to +31

Explanation:

6 bit 2s complement representation will be of the form b1b2b3b4b5b6 where each bit is either 0 or 1.

The largest positive number that can be represented using this scheme is 011111

Translating this to decimal this is 1*2^4 + 1^2^3 + 1^2^2 + 1^2^1 + 1^2^0

=16 + 8 + 4 + 2 + 1 =31

The smallest negative number that can be represented using this scheme is 100000

Translating this to decimal = -1 * 2^5 = -32

So the range of decimal values that can be represented is -32 to +31.

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Suppose that we want to enhance the processor used for Web serving. The new processor is 10 times faster on computation in the W
elena55 [62]

Answer:

The overall speedup gained by incorporating the enhancement is 1.563

Explanation:

Using Amdahl's Law;

The overall speedup  (N) =\dfrac{1}{(1-P) + ( \dfrac{P}{n})}

where;

P = Fraction Enhanced for Old Processor

n = speedup enhancement as a result of the new processor

P = 40% = 0.40  and n = 10

∴

The overall speedup (N) is:

=\dfrac{1}{(1-0.4) + ( \dfrac{0.4}{10})}

=\dfrac{1}{(0.6) + ( 0.04)}

=\dfrac{1}{0.64}

= 1.563

Thus, the overall speedup gained by incorporating the enhancement is 1.563

3 0
3 years ago
When proofreading, you should ____.
victus00 [196]
Take the time to carefully look over your work
4 0
4 years ago
Read 2 more answers
Write a for loop to populate array userGuesses with NUM_GUESSES integers. Read integers using cin. Ex: If NUM_GUESSES is 3 and u
vlabodo [156]

Answer:

Follows are the code to this question:

#include <iostream>//defining header file

using namespace std;

int main() //defining main method

{

const int NUM_GUESSES = 3;//defining an integer constant variable NUM_GUESSES

int userGuesses[NUM_GUESSES];//defining an array userGuesses

int i = 0;//defining integer variable i

for(i=0;i<NUM_GUESSES;i++)//defining for loop for input value

{

cin>>userGuesses[i];//input array from the user end  

}

for (i = 0; i < NUM_GUESSES; ++i)//defining for loop fore print value  

{

cout <<userGuesses[i] << " ";//print array value with a space

}

return 0;

}

Output:

9

5

2

9 5 2  

Explanation:

In the above-given program, an integer constant variable NUM_GUESSES is defined that holds an integer value, in the next step, an integer array "userGuesses" is defined, which holds NUM_GUESSES value.

In the next step, two for loop is defined, in the first loop, it is used for an input value, and in the second loop, it prints the array value.    

6 0
3 years ago
_____________ data is what is translated to digital format so it can be stored in a computer.
ladessa [460]

Answer:

"Analog" seems to be the appropriate choice.

Explanation:

  • Data estimation or representation by purposes of one sometimes more physical characteristics which can convey any information on a continuum of severity.
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4 0
3 years ago
What is elif? How does it work in python?
pav-90 [236]
It is the condition used after the if condition. say you use the if condition and you need to add another outcome, instead of using the if condition again, you’d use elif and end it with the else command.

example:

if num == 10:
print (“correct”)

elif num > 10:
print (“too high”)

else:
print (”too low”)

hope this helps :]
5 0
3 years ago
Read 2 more answers
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