This is false.
What is cardinality?
Cardinality refers to the entity instances for which it is eligible to participate in a relationship instance. There are two types of cardinality, maximum and minimum.
What is maximum cardinality?
- The maximum cardinality of a relationship is the maximum number of instances of entity B that may be associated with each instance of entity A.
- Maximum cardinality: maximum number of entity instances that can participate in a relationship.
- One-to-One [1:1]
- One-to-Many [1:N]
- Many-to-Many [N:M]
To know more about maximum cardinality , refer:
brainly.com/question/18090451
#SPJ4
Answer:
Light sensor
Explanation:
“Street Light that Glows on Detecting Vehicle Movement. Generally, street light controlling system is a simple concept which uses a transistor to turn ON in the night time and turn OFF during the day time. The entire process can be done by a using a sensor namely LDR (light dependent resistor).”
Answer:
A reference file is mainly used for reference or look-up purposes. Look-up information is that information that is stored in a separate file but is required during processing.
Explanation:
Hope this helps ;)
Answer:
1: Word Processor
2: Graphics Software
3: Mail Merge
Explanation:
Given
1. Create a list of invitees
2. Design an invitation card
3. Personalize the card
Creating a list of invitees is a task that requires basic activities such as typing, using of numbers and bullets; these activities can be achieved using word processing software programs such as Microsoft Word, WordPerfect, amongst others.
<em>So task 1 requires a word processor</em>
An invitation card is a piece of graphics that can be perfectly handled by graphics software programs such as CorelDraw, Adobe Photoshop, etc.
<em>So task 1 requires a graphics software</em>
Task 3 can be achieved using mail merge and this is because mail merge can be used either to print or to mail recipients. While mailing the recipients, one can easily personalize each letter (or in this case, an invitation card) to suit the recipient it is being directed to.
