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3 years ago

5

How can a scientist safely tell whether an unknown solution is salt in water or sugar in water?

Computers and Technology

1 answer:

kaheart [24]3 years ago

7 0

Answer:

the answer is C

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A. A set of electronic program that makes of computer perform tasks

Nonamiya [84]

Answer:

2. Software

Explanation:

Software is an app

Hardware is the computer or cell phone or mobile phone

toppr

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2 years ago

Internet control message protocol (icmp) is a method of ip address assignment that uses an alternate, public ip address to hide

Elanso [62]

B False

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3 0

3 years ago

Demonstrate the register addressing mode for the following instructions. Also what addressing mode belongs to these instructions

kotykmax [81]

Answer:

Demonstrate the register addressing mode for the following instructions. Also what addressing mode belongs to these instructions?

1. MOV CX, [BX+DI]

2. MOV AX, ARRAY[CX]

3. MOV BX, [CX+DI+6]

4 0

3 years ago

Oxnard Casualty wants to ensure that their e-mail server has 99.98 percent reliability. They will use several independent server

sattari [20]

Answer:

The smallest number of servers required is 3 servers

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Explanation:

Given

$Reliability = 99.98\%$

$Individual Servers = 95\%$

Required

Minimum number of servers needed

Let p represent the probability that a server is reliable and the probability that it wont be reliable be represented with q

Such that

$p = 95\%\\$

It should be noted that probabilities always add up to 1;

So,

$p + q = 1$ '

Subtract p from both sides

$p - p + q = 1 - p$

$q = 1 - p$

Substitute $p = 95\%\\$

$q = 1 - 95\%$

Convert % to fraction

$q = 1 - \frac{95}{100}$

Convert fraction to decimal

$q = 1 - 0.95$

$q = 0.05$

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

<em>To get an expression for one server</em>

The probabilities of 1 servers having 99.98% reliability is as follows;

$p = 99.98\%$

Recall that probabilities always add up to 1;

So,

$p + q = 1$

Subtract q from both sides

$p + q - q = 1 - q$

$p = 1 - q$

So,

$p = 1 - q = 99.98\%$

$1 - q = 99.98\%$

Let the number of servers be represented with n

The above expression becomes

$1 - q^n = 99.98\%$

Convert percent to fraction

$1 - q^n = \frac{9998}{10000}$

Convert fraction to decimal

$1 - q^n = 0.9998$

Add $q^n$ to both sides

$1 - q^n + q^n= 0.9998 + q^n$

$1 = 0.9998 + q^n$

Subtract 0.9998 from both sides

$1 - 0.9998 = 0.9998 - 0.9998 + q^n$

$1 - 0.9998 = q^n$

$0.0002 = q^n$

Recall that $q = 0.05$

So, the expression becomes

$0.0002 = 0.05^n$

Take Log of both sides

$Log(0.0002) = Log(0.05^n)$

From laws of logarithm $Loga^b = bLoga$

So,

$Log(0.0002) = Log(0.05^n)$ becomes

$Log(0.0002) = nLog(0.05)$

Divide both sides by $Log0.05$

$\frac{Log(0.0002)}{Log(0.05)} = \frac{nLog(0.05)}{Log(0.05)}$

$\frac{Log(0.0002)}{Log(0.05)} = n$

$n = \frac{Log(0.0002)}{Log(0.05)}$

$n = \frac{-3.69897000434}{-1.30102999566}$

$n = 2.84310893421$

$n = 3 (Approximated)$

<em>Hence, the smallest number of servers required is 3 servers</em>

6 0

3 years ago

Code the function definition for aNonclassFunction, picking up co. aNonclassFunction has no return value.

enot [183]

Answer:

b)void aNonclassFunction (Banana co);

Explanation:

In the function definition you have to pass the tell the function which type of argument it is taking.In our case we are taking a variable co of Banana type passing it to the function named aNonclassFunction having no return type.

So the definition will be like this.

void aNonclassFunction (Banana co);

6 0

3 years ago