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2 years ago

Dеclarе and allocatе mеmory (on thе hеap) for a onе-dimеnsional array of 256 doublеs namеd pricеs

Computers and Technology

1 answer:

Zigmanuir [339]2 years ago

4 0

Answer:

double *prices=new double [256];

Explanation:

To allocate memory on heap we use new keyword.In the above statement an array name prices is declared and the memory allocated to it is on the heap memory.

First look at double * prices.It is a pointer this pointer is created on the stack memory which holds starting address of the array present on the heap memory of size 256..

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My home PC has IP address 192.168.1.22 and connects to the Internet through a NAT router. Assume I am downloading a web page fro

alekssr [168]

Answer and Explanation:

There are three sections to the inquiry.

1. what occurs inside the PC or host when a bundle is produced by an application.

2.how it goes from one host that is a source to another host that is a goal with numerous switches sitting in the middle.

3.what goes inside goal have when it gets a parcel on the system.

how about we examine individually

Handling bundle at source machine:

The application creates a bundle to be sent on the system and sends it to the layer beneath.

The following layer is known as a vehicle layer which oversees start to finish correspondence between two machines. The convention utilized can be TCP or UDP. What is the contrast between these two conventions is another subject by and large.

When the parcel is framed at the vehicle layer, it is sent to the system layer which includes source and goal IP in the bundle. A most significant field which is included at IP or system layer is Time To Live (TTL) which is utilized by middle switches/changes to choose if a parcel should be sent or not. (How goal IP is found?)

After the system layer, the parcel arrives at the information connection or MAC layer, where the source and goal MAC address of machines are included. We will perceive how these fields change between each two neighbors. (How goal MAC is found?)

The information interface layer pushes this bundle to the physical layer where it is sent as a flood of "0" and "1" on the physical medium accessible.

Preparing a bundle at switch:

Steering

There are three cases which may happen when the switch investigates the directing table for goal IP

1. On the off chance that there is a section relating to goal IP, we get the interface name the parcel ought to be sent to.

2. On the off chance that there is no immediate passage, at that point IP is changed over into organize IP utilizing the veil and afterward checked once more. It ought to be noticed that the longest prefix match to locate the best sending interface.

3. In the case of nothing matches, at that point the switch just advances it to the default goal designed.

Sending

Epitome

Preparing parcel at the goal have

The parcel is gotten at arrange card, physical layer, which produces a hinder to CPU and CPU peruses bundle in,

At the information connect layer, goal MAC address is verified whether the parcel is bound to this machine, If indeed, the bundle is sent up to the system layer.

At the IP layer, parcel approval like checksum confirmation, and so on is done and afterward gave to the applicable vehicle layer.

Transport later at that point gives it to the fitting port with the goal that it arrives at the right application.

5 0

2 years ago

Use of the internet to access programs and data on computers that’s are owned and managed by the other using large data centers.

Nimfa-mama [501]

Answer:

I just wanna learn how to code

Explanation:

6 0

3 years ago

Here's something to stop you from getting repetitive when writing essays. Write a program that reads multiple lines of plain tex

Marianna [84]

Answer:

The output is attached below

Explanation:

d = {}

while True:

line = input("Enter line: ")

if len(line)==0:

break

token = line.split(' ')

for var in token:

try:

if len(var)==0:

continue

count = d[var]

d[var] = count + 1

except KeyError:

d[var] = 1

pass

for word in sorted(d):

print(word , d[word])

------------------

7 0

3 years ago

Users in a corporation currently authenticate with a username and password. A security administrator wishes to implement two-fac

Katen [24]

Answer:

Option (C) is the correct answer of this question.

Explanation:

Smart card is the security administrator wishes to implement two-factor authentication to improve security.Normally this data is affiliated with either meaning, information, or both, and will be stored and transmitted within the chip of the card.A smart card, usually a Chip Card type.

It is a flexible card that holds an integral computer chip that preserves and sends a signal data, either database or semiconductor form.
Used for controlling access to a resource.
Data authentication, encryption, cloud storage, and software processing can be established by smart cards.

Other options are incorrect.

4 0

2 years ago

Using complete sentences post a detailed response to the following.

KatRina [158]

Answer:A couple disadvantaged are the migraines that is can cause. And it can cause eye strain there are alot of things that could hurt your eyes. Like being in virtual reality for to long. It can very rarely make you go blind.

Explanation: sorry if its wrong

8 0

2 years ago