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Phantasy [73]
2 years ago
15

Explain why regular system cleanup is vital to ensuring the operating system runs efficiently. ?

Computers and Technology
1 answer:
ivann1987 [24]2 years ago
4 0

Answer:

System cleanup removes any junk that could make the system run badly.

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Explanation:

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Burka [1]

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yes there is

Explanation:

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The term generally used to describe storage systems that function at high speeds is:
Alinara [238K]
The term to describe storage systems that function at high speeds is primary memory.
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Carlos has noticed that he has a duplicate slide in his presentation. He would like to delete it. He should _____.
vagabundo [1.1K]

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click on the slide in normal view and press delete

Explanation:

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8 0
2 years ago
A small grocery store has one checkout.You have been asked to write a program to simulate the grocery store as it checks out cus
Masteriza [31]

Answer:

Check the explanation

Explanation:

PYTHON CODE :

#import random function

from random import randint

#class Queue declaration

class Queue:

#declare methods in the Queue

def __init__(self):

self. items = []

def isEmpty(self):

return self. items == []

def enqueue(self, item):

self.items. insert(0, item)

def dequeue(self):

return self. items. pop()

def size(self):

return len(self. items)

def getInnerList(self):

return self.items

#This is customer Queue

class Customer:

#declare methods

def __init__(self,n):

self.numberOfItems=n

def __str__(self):

return str(self. numberOfItems)

def getNumberOfItems(self):

return self. numberOfItems

#This is expresscheker customer queue

class Expresschecker:

def __init__(self,n):

self.numberOfItems=n

def __str__(self):

return str(self. numberOfItems)

def getNumberOfItems(self):

return self. numberOfItems

#Returns random checkout time, based on number of items

def checkOut(Expresschecker):

items = Expresschecker. getNumberOfItems()

if items <= 10:

return randint(2, 5)

if items <= 20:

return randint(6, 9)

return randint(10, 14)

#Initiate queue for the Expresschecker

Expresschecker = Queue()

#declare total customers

totalcheckoutCustomers = 10

#express Customers shopping..

for i in range(totalcheckoutCustomers):

#Each putting Between 1 to 25 items

randomItemsQty = randint(1, 25)

customer = Customer(randomItemsQty)

#Getting into queue for checkout

Expresschecker. enqueue(customer)

#====Now all express Customers having

#random qty of items are in Queue======

#intial time

totalTime=0

#define the size of the queue

totalcheckoutCustomers = Expresschecker. size()

#using for-loop until queue is empty check out

#the items in the express cheker queue

while not(Expresschecker. isEmpty()):

totalTime+=randint(1,5)

#Picking a customer

expresscustomer = Expresschecker. dequeue()

#Processing the customer

timeTaken = checkOut(expresscustomer)

#add the time for each custimer

totalTime+=timeTaken

#compute average waiting time

averageWaitingTime = totalTime/totalcheckoutCustomers

#display the average waiting time

print("Average waiting time for the express customer queue is "

+str(averageWaitingTime)+" minutes ")

print("Remaining Custimers in the express customer Queue is: ",

Expresschecker. size())

#Returns random checkout time, based on number of items

def checkOut(customer):

items = customer. getNumberOfItems()

if items <= 10:

return randint(1, 5)

if items <= 20:

return randint(6, 10)

return randint(11, 15)

#in

customersQueue = Queue()

totalCustomers = 20 #Change number of customers here

#Customers shopping..

for i in range(totalCustomers):

#Each putting Between 1 to 25 items

randomItemsQty = randint(1, 25)

customer = Customer(randomItemsQty)

#Getting into queue for checkout

customersQueue. enqueue(customer)

#====Now all Customers having random qty

#of items are in Queue======

totalTime=0

totalCustomers = customersQueue. size()

while not(customersQueue. isEmpty()):

totalTime+=randint(1,5)

#Picking a customer

customer = customersQueue. dequeue()

#Processing the customer

timeTaken = checkOut(customer)

totalTime+=timeTaken

#Result=============================

averageWaitTime = totalTime/totalCustomers

print("Average wait time for the customer queue is

"+str(averageWaitTime)+" minutes ")

print("Remaining Customers in the customer Queue is:

",customersQueue. size())

5 0
3 years ago
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