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3 years ago

You decide to develop a new operating system to be used on mobile phones. What characteristics does it need to have?

Computers and Technology

1 answer:

guajiro [1.7K]3 years ago

6 0

The characteristics that the new operating system to be used on mobile phones should have include the following:

Compatibility with different hardware
Absence of bugs

Compatibility simply means how two things work together. In this case, the new operating system to be used on the mobile phones should be compatible with other phones or computer systems. It should be connected easily.

Also, there should be an absence of bugs. Bugs simply mean the error or the fault that can be found in a computer system. When there is a bug, it brings about unexpected results or incorrect resources.

In conclusion, the operating system should be compatible with other hardware and there should be an absence of bugs.

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Information is best described as

Viefleur [7K]

Answer: Option B

Explanation: Information can be defined as the presentation of scattered data in a sequential manner to make it more meaningful and understanding.

Information is the exchange of intelligence, thus, it has to be organized and processed from its raw form.

From the above explanation we can conclude that the right option is B.

7 0

3 years ago

Most computers and many mobile devices, such as smartphones and portable media players, can connect to which kind of network?

Zigmanuir [339]

Answer:

Wifi

Explanation:

because its wifi based

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3 years ago

Define additional characteristics such as font weight or style for an html tag

Bas_tet [7]

Define additional characteristics such as font weight or style for an html tag:
- attributes

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3 years ago

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

What is the most common way to perform searches in a search engine?

valina [46]

Using key words is the best way to search things in the search engine. make sure everything is spelled correctly.

5 0

3 years ago