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1 year ago

Create a timeline of the evolution of computers and their impact on society

1 answer:

3 0

While the conceptual idea after a computer was developed in the 19th century, the first electronic computer was created in the 1940s.

<h3>How does the evolution of computers impacts the society?</h3>

Computers have transformed the way people relate to one another and their living environment, as well as how humans manage their work, their communities, and their time. Society, in turn, has affected the development of computers via the needs people have for processing data.

<h3>What are the evolution of computers?</h3>

The first modern computer was built in the 1930s and was called the Z1, which was followed by large machinery that took up whole rooms. In the '60s, computers evolved from professional use to private use, as the first personal computer was presented to the public.

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Assume the following representation for a floating point number 1 sign bit, 4 bits exponent, 3 bits for the significand, and a b

Andrew [12]

Answer:

Detailed answers given in the solution

Explanation:

max exponent= 1111=15

in biased form =15-7=8

max significant=1111=(.9375)10

max value= 1.9375*28

b) min exp= 0000=0-7=-7(biased)

min value=1.0000*2(-7)

c) Addition : Suppose we want to add two floating point numbers, X and Y.

steps to add floating point numbers:

Make exponents of the two numbers to be the same (if not). We do this by rewriting .

Add the two mantissas of X and the Y together.

If the sum in the previous step does not have a single bit of value 1, left of the radix point, then adjust the radix point and exponent until it does.

Convert back to the one byte floating point representation.

d) Multiplication :

Suppose you want to multiply two floating point numbers, X and Y.

steps to multiply floating point numbers.

sum of the two exponents..

Multiply the mantissa of X to the mantissa of Y. Call this result m.

If m is does not have a single 1 left of the radix point, then adjust the radix point so it does, and adjust the exponent z to compensate.

Add the sign bits, mod 2, to get the sign of the resulting multiplication.

Convert back to the one byte floating point representation, truncating bits if needed.

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2 years ago

A _______ attack uses software to try thousands of common words sequentially in an attempt to gain unauthorized access to a user

sergeinik [125]

<h2>A <u>Rogue attack</u> utilizes software just to attempt hundreds of frequent phrases in a row.</h2>

Rogue access equipment would be any WLAN radio channel that isn't even authorized to communicate or join the corporate connection.
Whenever they have been misconfigured as well as set up without authentication, it creates a new security vulnerability potentially gaining simple access to a private network.

Thus the response above is correct.

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Which one of the following items would you be most likely to keep in a database ?

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2 years ago

Write a program that calculates and displays the amount ofmoney available in a bank account that initially has $8000 deposited i

Leviafan [203]

Answer:

Written in Python

import math

principal = 8000

rate = 0.025

for i in range(1, 11):

amount = principal + principal * rate

principal = amount

print("Year "+str(i)+": "+str(round(amount,2)))

Explanation:

This line imports math library

import math

This line initializes principal amount to 8000

principal = 8000

This line initializes rate to 0.025

rate = 0.025

The following is an iteration from year 1 to 10

for i in range(1, 11):

This calculates the amount at the end of the year

amount = principal + principal * rate

This calculates the amount at the beginning of the next year

principal = amount

This prints the calculated amount

print("Year "+str(i)+": "+str(round(amount,2)))

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What is the meaning of HML

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Answer:

Explanation:

Hit my line

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