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kipiarov [429]
2 years ago
15

________ is used to undo unwanted database changes.

Computers and Technology
2 answers:
trapecia [35]2 years ago
8 0
Backward Recovery
<span> ________ is used to undo unwanted database changes. </span>
riadik2000 [5.3K]2 years ago
5 0
Backward Recovery would be the answer.

(:
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Assign decoded_tweet with user_tweet, replacing any occurrence of 'TTYL' with 'talk to you later'. Sample output with input: 'Go
nekit [7.7K]

Answer:

I am going to use the Python programming language to answer this. The source code is given below:

print("Enter your tweet here")

user_tweet = input()

decoded_tweet = user_tweet.replace('TTYL', 'talk to you later')

print("This is the decoded tweet: ")

print(decoded_tweet)

Explanation:

In the program the replace() module was used to replace 'TTYL' with 'talk to you later.'

Attached is the screenshot of the output.

8 0
2 years ago
Read 2 more answers
Suppose that you need to maintain a collection of data whose contents are fixed- i.e., you need to search for and retrieve exist
Keith_Richards [23]

Answer:

Option a: a sorted array

Explanation:

Since the expectation on the data structure never need to add or delete items, a sorted array is the most desirable option. An array is known for its difficulty to modify the size (either by adding item or removing item). However, this disadvantage would no longer be a concern for this task. This is also the reason, linked list, binary search tree and queue is not a better option here although they offer much greater efficiency to add and remove item from collection.

On another hand,  any existing items from the sorted array can be easily retrieved using address indexing and therefore the data query process can be very fast and efficient.

4 0
2 years ago
Which of the following code is correct? I: print("Programming is fun") print("Python") print("Computer Science") II: print("Prog
vfiekz [6]

Answer:

None of the options is correct.

Explanation:

One of the simplest statements that you can write in Python is a print statement, which causes a message to be displayed on the screen. For example, the following statement causes the message Python programming is fun! to be displayed:

print 'Python programming is fun!'

Notice that after the word print, the Python programming is fun! was written inside a set of single-quote marks. The quote marks are necessary, but they will not be displayed. They simply mark the beginning and the end of the text that we wish to display.

Here is an example of how you would type this print statement at the interpreter’s

prompt:

>>> print 'Python programming is fun!'

After typing the statement you press the Enter key and the Python interpreter executes the statement, as shown here:

>>> print 'Python programming is fun!'

Python programming is fun!

>>>

Thus, the correct way to write the codes in the question is:

print 'Programming is fun'

print 'Python'

print 'Computer Science'

3 0
2 years ago
John works for Internal Computer Specialists, which focuses on helping small business owners resolve MIS infrastructure issues.
lisov135 [29]

Answer:

Hardware.

Explanation:

All electronics devices like computer servers, DVDs, smartphones and cell phones, wrist watches etc, comes with two main components, they are hardware and software.

The hardware components are the physical part of the device, while the software component is the written instructions configured to the hardware for executing tasks.

Cleaning the motherboard in a computer system, fixing a DVD, servicing other internal components of devices are all hardware maintenance and repair services.

6 0
2 years ago
Five routers are to be connected in a point-to-point subnet. between each pair of routers, the designers may put a high-speed li
Natalija [7]

Let assume are lettered A to E in that order. Thus, there will be 10 potential lines: AB, AC, AD, AE, BC, BD, BE, CD, CE and DE. Each of these potential lines has 4 possibilities. Therefore, the total number of topologies is 4¹⁰=1,048,576. 1,048,576. At 100ms <span>it will take 104,857.6 seconds which is slightly above 29 hours to inspect each and one of them.</span>











6 0
2 years ago
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