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Ilya [14]
3 years ago
6

. Why should we favor programming to interfaces over implementations?

Computers and Technology
1 answer:
xenn [34]3 years ago
4 0

Answer:

Interfaces are way to use full abstraction.That;s why it is preffered over implementations.

Interfaces are just like class.But the methods declared inside an abstract class are by default abstract and the variables are by default static,final.Which is not the case with classes in classes the variables can be static or non- static ,fincal or non-final and methods can be abstract or non-abstract.

Java classes does not support multiple inheritance but interfaces support multiple inheritance.So whenever we want to implement multiple inheritance in Java we use interfaces.

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Liam noticed someone had accessed his social media account and made several posts without his knowledge. Which of the following
jok3333 [9.3K]

Answer:

Liam could

1) Change the password

Be sure to change the password to a "strong" one (containing lots of characters, numbers, symbols) so that way the password would be difficult to guess.

2) Avoid logging onto social media on public computers or WiFi connections.

Using public WiFi leaves you vulnerable to someone accessing your information through Internet traffic. If you do use public computers, just make sure to log out.

3) Avoid giving out account information to friends and avoid opening suspicious links and emails.

Opening suspicious links or emails could allow malware to infect your computer the moment you open them. Friends can unknowingly share these links that are designed to steal information.

I hope this helped <3 please lmk if there's anything more to add.

4 0
3 years ago
Which type of memory helps in reading as well as writing data?
Anuta_ua [19.1K]

The read-write type of memory helps in reading as well as writing data. This computer memory is used by users to continually update the data (to access (read from) or alter (write to) ) that is held on hardware storage devices. Internal or external hard disk drives, rewritable CDs or small flash drives can be all physical setups of read-write memory.

6 0
3 years ago
each term to the appropriate definition. DBMS data mining hash file index key field locking protocol relation roll back schema S
ikadub [295]

Answer:

1. DBMS

C. <em>A storage system that provides efficient access to randomly chosen items</em>

G. <em>Performs database operations requested by application software</em>

2. data mining

B. <em>The process of extracting hidden information</em>

3. hash file

A. <em>A. means of locating a particular record within a file</em>

4. index key field

F. <em>An item used to identify records uniquely</em>

5. locking protocol

E. <em>A system to guard against database errors due to performing transactions concurrently</em>

6. relation

D. <em>A structural unit (with rows and columns) in a popular database model</em>

7. roll back schema

I. <em>A "road map" of a particular database's design</em>

J. <em>To "unwind" a transaction</em>

8. SQL

H. <em>A popular language that implements relational database operations.</em>

5 0
3 years ago
A keyboard, mouse, and microphone are examples of ________.
kykrilka [37]

Answer:

A keyboard, mouse, and microphone all are examples of <u>peripheral devices.</u>

Explanation:

hope this helps

5 0
3 years ago
Read 2 more answers
How long will it take to transfer 1GB data on USB 2.0, on USB 3.0
cupoosta [38]

Answer:

Have a great day, Here is the answer to your question:

It will take around 18 seconds

Explanation:

So in principle 1GB of data to be uploaded running at peak speed is suggested to take around 18 seconds but in fact, DCD test results show USB 2.0 takes 3 minutes 18 seconds to complete a 1GB switch. Whereas USB 3.0 can accommodate up to 5gbps of data transferred-more than 10 times faster than its predecessor.

8 0
3 years ago
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