Answer:
"A set is an unordered collection. A dictionary is an unordered collection of data that stores data in key-value pairs."
Explanation:
Set =>
Collection of non-repetitive elements.
Unordered
Unindexed
No way to change items.
Dictionary =>
Collection of key-value pairs.
Unordered
Indexed
Mutable
Answer:
The Logitech ones.
Explanation:
Surprisingly I've used all 3 of them and the Logitech ones are the one with not only the best sound quality. And the mic isn't horrible either.
Answer:
The system that will be more prone to attack or vulnerability is the bank that has ten branches spread throughout California with the data being stored on a mainframe in San Francisco.
Explanation:
Solution
If the databases are not shared by all the branches throughout the network, they could not be hacked or accessed easily. but when the systems are in a network and share databases or resources,then these could be more vulnerable to unauthorized persons or individuals.
The data been stored on a mainframe in San Francisco that is a centralized access by 10 branches of another bank. what this implies is that networking is involved or used to share data.
With this example, the chances of vulnerability or attacks increases from the following :
- Accounts payable could be disturbed by changing cash in payment false.
- Entering incorrect data into the system. such transactions can be altered, deleted by unauthorized persons.
- Transaction fraud like hacking, masquerading are very common in a networked system.
Answer:
Decrease file size
Explanation:
This goes for almost every file you compress. If you compress it, you try to decrease the storage space it takes up as a way to make it more portable. After a compressed file is extracted, it does not have many effects on the state of the extracted file.
The decade in which the personal computers became commonplace in offices, schools, and some homes were the 1980s.
