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katovenus [111]
3 years ago
9

Select the correct answer. Which is the bottom-most layer in the OSI model?

Computers and Technology
1 answer:
tatiyna3 years ago
3 0

Answer:

B.Physical layer

Explanation:

I am sure.Hope it helps

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How is the “conflict set” defined in Production systems?How conflict is resolved ?
Triss [41]

Answer:

The rules which could trigger at any period in time are referred to as the conflict set. A programming bug/conflict can occur when two programs compete for the same resource such as memory or register etc.

A Conflict Resolution Strategy is is a protocol which highlights which decision will be triggered first.

The best way to resolve conflict is to first determine the kind of conflict it is. Hardware conflicts can be resolved by first troubleshooting the hardware and in some instances unplugging the hardware causing the conflict.

When hardware creates conflicts it may be due to a driver issue. reverting to an old driver or updating the existing one may solve the problem.

Software conflicts can be resolved by installing updates or complete uninstallation.

Cheers!

5 0
3 years ago
Answer the following Python Interview questions • How is Python an interpreted language? • What is the difference between Python
8_murik_8 [283]

Answer:

1. Python is called as interpreted language. However as a programming language it is not fully compiled nor interpreted language. Python program runs from direct source code which makes it byte code interpreted.

An Interpreter is the one which takes the code and performs the actions specified in the code. It turns the code into intermediate language which is again translated to machine language understood by the processor. Interpreted or compiled are the property of the implementation and not of the language.

2. Array : It is a collection of same data type elements stored at contagious memory location. It is handled in python with module array. All the elements of array must be of same data type. In order to manipulate same data types arrays are used.

Ex: array1 = a.array ('i', [10, 20, 30]) this is a array of integer type.

Lists : Python lists are ordered data structure and are like non homogeneous dynamic sized arrays. It may contain integers, strings, boolean, or objects.

Ex: List1 = [70, 89, 98] , List2 = ["Rose", "Lilly", "Jasmine"]

List3 = [1, 10, 100, 'Test', 'Test1']

Tuple : It is a collection of objects separated by commas and they are immutable. It is static which makes them faster.

Ex: tupule1 = ('element1', 'element2')

List and Tuple in Python are the class of data structure. The list is dynamic, whereas tuple has static characteristics.

Lists are mutable but tuples are not.

tuples are mainly used to access the elements where as lists are used in operations like insertion and deletion.

Iterations are time consuming in list where as it is faster in tuples.

tuples don't have inbuilt methods but list has many builtin methods.

tuples takes slightly less memory that lists in Python

Records: Records data structure will have fixed number of fields and each field may have a name and different type. Immutable records are implemented using named tuple.

3. Syntax of slice in python is list[<start>:<stop>:<step>] and it can be used on tuples and lists.

so X [::-1] means that it will start from the end towards the first element by taking each of the elements.

for ex: X = '9876'

X [::-1] will result in '6789'.

Means it will reverse all the elements in the array.

4. Items of list can be shuffled with the random.shuffle() function of a random module.

Syntax is : random.shuffle(x, random)

x- It is a sequence to shuffle and can be list or tuple.

random- it is a optional argument which returns random float number between 0.1 to 1.0.

5. range() – Range function returns a range object which is a type of iterable object.

xrange() – xrange function returns the generator object that can be used to display numbers only by looping. Only particular range is displayed on demand and hence called “lazy evaluation“.

• Return type of range () is range object whereas that of xrange() is xrange object.

• Variable to store the range using range () takes more memory but xrange takes comparative less memory.

• Range returns the list but xrange returns the xrange object. Hence operations on list can be applied for range but not on xrange.

• Xrange is faster to implement than range as xrange evaluates only generator objects.

• Xrange is depreciated in Python 3 and above.

For ex :

x = range (10, 100)

y= xrange (10, 100)

#To know the return type we can print it

print ( return type of range () is : “)

print (type (x))

print ( return type of xrange () is : “)

print (type (y))

Output will be list and xrange respectively.

6. NumPy's arrays are more compact than Python lists

reading and writing items is also faster with NumPy.

Memory taken by python lists are way higher than NumPy arrays.

Python lists don’t support vectorized operation.

Since lists can contain objects of different types its type information must be stored and executed every time operation is performed on it.

Memory taken by python lists are a lot higher than that of NumPy Arrays.

Reading and writing of elements in NumPy arrays are faster than lists.

NumPy arrays are compact and accumulate lesser storage.

Numpy is convenient and efficient.

For ex :

Metrics operations are easy in NumPy.

Checkerboard pattern can be done using NumPy.

7. Attached as Image

8. split() method returns a list of strings after breaking the given string by the specified separator. It is splitting of string into list with each word is a list item.

Syntax : str.split ( separator, maxsplit)

Separator : its is delimiter used and by default whitespace is used as separator.

Maxsplit : Maximum number of times to split the string. By default it has no limit.

For ex:

text = 'apples and oranges are different '

print(text.split())

output will be : ['apples', 'and', 'oranges', 'are', 'different' ]

Explanation:

7 0
3 years ago
The​ ________ is a​ c-shaped structure that curves around the pancreas and stomach
Sever21 [200]
The duodenum is the c-shaped structure that curves around the pancreas and stomach , it is actually the smallest part of the small intestine and joins the stomach to the jejunum <span />
6 0
3 years ago
In which situations would a text-to-speech tool be useful? Check all that apply. O A reader needs to hear a word pronounced. A s
spin [16.1K]

Answer:

The answer to this question is given below in the explanation section

Explanation:

The correct answer is :

A reader needs to hear a word pronounced

A student needs to take notes about a text

Because, text to speech tools mostly used to hear the text written in some files such as reading text from pdf file etc, or word pronunciation. However other options are not right because, reading a difficult material does not make sense with reading it links to understanding.

However, speech to text can be used by the student to take notes while listening the text, but would be easy instead of taking notes and listening, it is easy to copy the text.

7 0
3 years ago
Read 2 more answers
A program executes 15 billion instructions. You are running this program in two systems: System A: has a processor with 3 GHz an
katrin2010 [14]

Answer:

CPU clock cycles = Instruction count x CPI.

CPU execution time =

= CPU clock cycles x Clock cycle.

= Instruction count x CPI x Clock cycle.

T =

I.

x CPI x C

Explanation:

i'm guessing

7 0
3 years ago
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