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3 years ago

For each of the innovations below. Decide if it is a computing innovation or not. Part 3 Continued.

Computers and Technology

1 answer:

stira [4]3 years ago

6 0

Explanation:

a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.

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A signal travels from point A to point B. At point A, the signal power is 100 W. At point B, the power is 90 W. What is the atte

11Alexandr11 [23.1K]

Answer:

$Attenuation = 0.458\ db$

Explanation:

Given

Power at point A = 100W

Power at point B = 90W

Required

Determine the attenuation in decibels

Attenuation is calculated using the following formula

$Attenuation = 10Log_{10}\frac{P_s}{P_d}$

Where $P_s = Power\ Inpu$ t and $P_d = Power\ outpu$ t

$P_s = 100W$

$P_d = 90W$

Substitute these values in the given formula

$Attenuation = 10Log_{10}\frac{P_s}{P_d}$

$Attenuation = 10Log_{10}\frac{100}{90}$

$Attenuation = 10 * 0.04575749056$

$Attenuation = 0.4575749056$

$Attenuation = 0.458\ db$ <em>(Approximated)</em>

7 0

3 years ago

Database management systems _____. a. include transaction-processing reports for database analysis b. are used to create, organi

GaryK [48]

Answer:B. Are used to create, organize, and manage databases

Explanation: Database management system (DBMS) is a computer software which is used to collect, analyse or evaluate and retrieve data from a database. It is essential to the flow of businesses or other activities of an organisation.

Examples of database management system softwares MICROSOFT ACCESS,FOXPRO,ORACLE etc all this are effective as it helps to manipulate the data structure,field names,the file formats etc.

3 0

4 years ago

The ACME Online Store offers different preferred customer discounts for customers who are "None", "Bronze", "Silver" and "Gold".

Nookie1986 [14]

Yes, the written program has the correct logic to assign the correct discount for each of the 4 valid values of customer_category

<h3>What is a Program?</h3>

This refers to the sequence of instructions that are keyed into a computer to execute user-specific commands.

Hence, we can see that based on the variable customer_category that has a string that is one of these 4 values:

0 for "None"

5 for "Bronze"

10 for "Silver"

20 for "Gold"

The program uses the correct syntax as it gives the correct discount based on the assigned values of the variable customer_category as executed with the syntax above.