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koban [17]
3 years ago
12

What software maintain and increase the efficiency of a computer system?

Computers and Technology
1 answer:
emmasim [6.3K]3 years ago
6 0

Answer:

Computer maintenance software

Explanation:

Computer maintenance software perform optimization tasks such as the removal of files that are not used in the operation of the system or by the applications in the system such as memory dumps, temporary files, and old log files

Computer maintenance software can also perform cleaning of the registry of the computer such that clutter in the computer registry is removed

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Which of the following does not make a good analysis class? (Points : 6) its name reflects its intent
satela [25.4K]

Answer:it has high coupling

Explanation: Coupling is the property in the field of computer program that is defined as the functions ,data and  codes of the program are dependent on each other and cannot be changed independently if requires. Thus,high amount of coupling is not considered as good factor due to high interdependence. Loose coupling can be still permitted.

Other options are correct because name of the class should reflect the purpose and well defined responsibilities should be present, modeling of certain component and high cohesion means keeping similar functions togather is also required. So, the only bad factor is high coupling

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3 years ago
Which of the following statements about security in the network is true?
Ilya [14]
I believe that answer A is true
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When a router fails to send messages in a timely fashion, this is a problem of the _____.
natima [27]
<span>network layer  

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2 years ago
Write a program that will input a list of test scores in from the keyboard. When the user enters -1, print the average.
aivan3 [116]

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Explanation:

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3 0
3 years ago
Read 2 more answers
Write a program to assist a cashier with determining correct change. The program should have one input, the number of cents to r
SCORPION-xisa [38]
```
#!/usr/local/bin/python3

import sys

coins = { "quarters" : 25, "dimes" : 10, "nickels" : 5, "pennies" : 1 }

def mkChange( balance, coin ):
    qty = balance // coins[ coin ]
    if( qty ):
        print( str( qty ) + ' ' + coin )
    return( balance % coins[ coin ] )

if( __name__ == "__main__" ):
    if( len( sys.argv ) == 2 ):
        balance = int( sys.argv[ 1 ] )
        balance = mkChange( balance, "quarters" )
        balance = mkChange( balance, "dimes" )
        balance = mkChange( balance, "nickels" )
        balance = mkChange( balance, "pennies" )
    else:
        sys.stderr.write( "\nusage: " + sys.argv[ 0 ] + " <change owed>\n" )
```


5 0
3 years ago
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