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AVprozaik [17]
2 years ago
6

Explain the functions of a VDU?

Computers and Technology
1 answer:
sladkih [1.3K]2 years ago
7 0

Answer:A VDU (also known as a VDT or DSE) is the accepted term for the monitor screen used with most computer or workstations. Long-term use of a VDU can lead to discomfort such as sore or tired eyes and it is recommended that VDU users take a short rest from the screen during every hour of use.

Explanation:

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Some files appear dimmed in one of the default folders on your computer. What would be the best course of action? A. Leave the f
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If some files appear dimmed in one of the default folders on your computer, the best course of action would be to A. leave the files as they are.
These files are probably either hidden or system files, which are never meant to be deleted or moved.
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3 years ago
Write a program that unpickle's employee dictionary and while reading from the dictionary, it allows users to lookup an employee
melamori03 [73]

Answer:

Check the explanation

Explanation:

from Employee import *

import pickle

import random

def unpickle_employee(filename):

file=open(filename,'rb')

data=pickle.load(file)

file.close()

return data

def pickle_employee(data,filename):

file=open(filename,'wb')

pickle.dump(data,file)

file.close()

if __name__=='__main__':

filename="Employees.dat"

'''

E=Employee("Ajay",1,"R&D","Manager")

data={}

data[1]=E

pickle_employee(data,filename)

'''

data=unpickle_employee(filename)

 

while True:

print("\nData In Employee.dat")

for d in data:

print("Employe data: ",data[d].get_name(),"({},{},{})".

format(data[d].get_id_number(),data[d].get_department(),data[d].get_job_title()))

 

print("\n\n\t\tMenu")

print("To add new Employee, Enter a")

print("To update any Employee, Enter u")

print("To delete any Employee, Enter d")

print("Enter anything to quit")

choice=input("Enter: ")

if choice=='a':

id_number=random.randrange(100,200,1)

while id_number in data:

id_number+=1

if id_number>=200:

id_number=100

name=input("Enter the Name: ")

department=input("Enter the Department: ")

job_title=input("Enter the job title: ")

E=Employee(name,id_number,department,job_title)

data[id_number]=E

elif choice=='u':

id_number=int(input("Enter the Employee id_number to update: "))

for d in data:

print(id_number,d,d==id_number)

if id_number in data:

print("Employe data: ",data[id_number].get_name(),"({},{})".

format(data[id_number].get_department(),data[id_number].get_job_title()))

print("\nPlease Enter the details")

name=input("Enter the Name: ")

department=input("Enter the Department: ")

job_title=input("Enter the job title: ")

E=Employee(name,id_number,department,job_title)

data[id_number]=E    

else:

print("Employee doesn't exist\n")

elif choice=='d':

id_number=int(input("Enter the Employee id_number to delete: "))

if id_number in data:

print("Employe data: ",data[id_number].get_name(),"({},{})".

format(data[id_number].get_department(),data[id_number].get_job_title()))

choice=input("\nPlease Enter y to confirm, anything else to cancel: ")

if choice=='y':

del data[id_number]

else:

print("Employee doesn't exist\n")

else:

break

pickle_employee(data,filename)

7 0
3 years ago
what is the name of the fields in an x.509 digital certificate that are used when the parties negotiate a secure connection?
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Answer:

Image result for what is the name of the fields in an x.509 digital certificate that are used when the parties negotiate a secure connection?

Common applications of X. 509 certificates include SSL/TLS and HTTPS for authenticated and encrypted web browsing, signed and encrypted email via the S/MIME protocol, code signing, document signing, client authentication, and government-issued electronic ID.

Explanation:

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Answer:

The Operating System allocates resources when a program need them. When the program terminates, the resources are de-allocated, and allocated to other programs that need them

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