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3 years ago

Difference between website and web server

Computers and Technology

2 answers:

Volgvan3 years ago

7 0

Answer:

a web server is a computer than runs websites

Stolb23 [73]3 years ago

7 0

Answer:

Website: A collection of web pages which are grouped together and usually connected together in various ways. Often called a "web site" or a "site."

Web Server: A computer that hosts a website on the Internet.

Explanation:

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Which statement is true regarding bitmap images?

horrorfan [7]

Which statement is true regarding bitmap images?
I believe it is D

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3 years ago

Read 2 more answers

A computer retail store has 15 personal computers in stock. A buyer wants to purchase 3 of them. Unknown to either the retail st

Dima020 [189]

Answer:

a. 1365 ways

b. Probability = 0.4096

c. Probability = 0.5904

Explanation:

Given

PCs = 15

Purchase = 3

Solving (a): Ways to select 4 computers out of 15, we make use of Combination formula as follows;

$^nC_r = \frac{n!}{(n-r)!r!}$

Where $n = 15\ and\ r = 4$

$^{15}C_4 = \frac{15!}{(15-4)!4!}$

$^{15}C_4 = \frac{15!}{11!4!}$

$^{15}C_4 = \frac{15 * 14 * 13 * 12 * 11!}{11! * 4 * 3 * 2 * 1}$

$^{15}C_4 = \frac{15 * 14 * 13 * 12}{4 * 3 * 2 * 1}$

$^{15}C_4 = \frac{32760}{24}$

$^{15}C_4 = 1365$

Hence, there are 1365 ways 

Solving (b): The probability that exactly 1 will be defective (from the selected 4)

First, we calculate the probability of a PC being defective (p) and probability of a PC not being defective (q)

From the given parameters; 3 out of 15 is detective;

So;

$p = 3/15$

$p = 0.2$

$q = 1 - p$

$q = 1 - 0.2$

$q = 0.8$

Solving further using binomial;

$(p + q)^n = p^n + ^nC_1p^{n-1}q + ^nC_2p^{n-2}q^2 + .....+q^n$

Where n = 4

For the probability that exactly 1 out of 4 will be defective, we make use of

$Probability = ^nC_3pq^3$

Substitute 4 for n, 0.2 for p and 0.8 for q

$Probability = ^4C_3 * 0.2 * 0.8^3$

$Probability = \frac{4!}{3!1!} * 0.2 * 0.8^3$

$Probability = 4 * 0.2 * 0.8^3$

$Probability = 0.4096$

Solving (c): Probability that at least one is defective;

In probability, opposite probability sums to 1;

Hence;

Probability that at least one is defective + Probability that at none is defective = 1

Probability that none is defective is calculated as thus;

$Probability = q^n$

Substitute 4 for n and 0.8 for q

$Probability = 0.8^4$

$Probability = 0.4096$

Substitute 0.4096 for Probability that at none is defective

Probability that at least one is defective + 0.4096= 1

Collect Like Terms

Probability = 1 - 0.4096

Probability = 0.5904

8 0

3 years ago

Client computers cannot function unless they are connected to the network because they cannot access an operating system.

Shtirlitz [24]

Answer: true

Explanation:

As the operating system cannot run from an external device and in a distributed operating system all the clients needs to be connected to the network to share resources via the distributed or network operating system.

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3 years ago

Tom wants to send an image by email to his friend Nadia. He needs to reduce

erica [24]

1st Method:

Reduce the size of the image in Paints.

2nd Method:

Right-click the selected file you want to send.
Click on Send To > Mail Recipient.
The Send Pictures via E-mail dialog box appears.
Click Make all my pictures smaller, and then click OK.

Hope you could understand.

If you have any query, feel free to ask

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3 years ago

The reason for prioritizing your work is to get the

7nadin3 [17]

Answer:

Explanation:

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3 years ago