Answer:
ISO standards
Explanation:
ISO / IEC 14443 is the ISO standard that covers RFID usage by devices.
EPCglobal - Electronics Product Code Global Incorporated is also another international standard that covers RFID. These two standards work together to standardize RFID products produced by manufacturers so that these products can be the same across different markets and manufacturers. Example I can purchase a tag from one manufacturer and a transceiver from another and they would function well together. There are also other standards for RFID but the above two are the biggest and most popular with ISO being the oldest.
Answer:
C It is believable or trust worthy
Mr. Stevens wants to export data from database of students’ exam scores to create presentation using other software on how the scores have changed throughout a semester.
<h3>What is database?</h3>
The database is the collection of data which is arranged in proper manner generally electronically in computer system for the easy access and latter use.
The database also help to analyse the data. The data is export from database for following reasons-
- For backing up the important data.
- To move the data from two different program version.
Mr. stevens is the principal of a high school. He want to export data from a database of students’ exam scores. With this data he can make presentation to analyze the scores.
Mr. Stevens wants to export data from a database of students’ exam scores to create a presentation using other software on how students’ scores have changed throughout a semester.
Learn more about the database here;
brainly.com/question/26096799
Answer:
The different variable in C is 21213316700.
Explanation:
Given value:
Total value = letters + underscore value
Total value = 52 + 1
Total value =53
choice for first character = 53 letters +10 digits
first character = 63
choice for remaining characters
So,
Variable number With one 1 character = 53
Variable number With 2 character = 53 × 63
Variable number With 3 character = 53 × 63²
Variable number With 4 character = 53 × 63³
.
.
.
Variable number With 7 character = 
Total difference variable = 53 + 53 × 63+ 53 × 63²+ 53 × 63³+....+ 
Total difference variable = 53(1 + 63 + 63²+ 63³+ .... +
)
Formula:

Total difference variable

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