Answer:

Explanation:
Given
Power at point A = 100W
Power at point B = 90W
Required
Determine the attenuation in decibels
Attenuation is calculated using the following formula

Where
t and
t


Substitute these values in the given formula




<em>(Approximated)</em>
D) Web content developer
Explanation:
A content developer writes a well-researched content for websites, publications, and television. They also write sales copy and other marketing material for online and offline marketing. They develop text, graphics, audios, and videos.
Skills that help web content developer:
- Reading news every day
- Write regularly
- Study end audience
- Develop original and unique content
- Research; reading other people's content as well
- Provide solutions through your content
Besides these, a web content writer must possess technical skills like front-end web development. They must know basic HTML formatting and search engine optimization.
Answer:
special purpose application software
Explanation:
it is a type of software created to execute one specific task.for example a camera application on your phone wul only allow you to take and share pictures.
Other example of special purpose application are web browsers,calculators,media playors,calendar programs e.t.c.
Answer:
Check the explanation
Explanation:
#!usr/bin/python
#FileName: sieve_once_again.py
#Python Version: 2.6.2
#Author: Rahul Raj
#Sat May 15 11:41:21 2010 IST
fi=0 #flag index for scaling with big numbers..
n=input('Prime Number(>2) Upto:')
s=range(3,n,2)
def next_non_zero():
"To find the first non zero element of the list s"
global fi,s
while True:
if s[fi]:return s[fi]
fi+=1
def sieve():
primelist=[2]
limit=(s[-1]-3)/2
largest=s[-1]
while True:
m=next_non_zero()
fi=s.index(m)
if m**2>largest:
primelist+=[prime for prime in s if prime] #appending rest of the non zero numbers
break
ind=(m*(m-1)/2)+s.index(m)
primelist.append(m)
while ind<=limit:
s[ind]=0
ind+=m
s[s.index(m)]=0
#print primelist
print 'Number of Primes upto %d: %d'%(n,len(primelist))
if __name__=='__main__':
sieve()