Answer:
d. integrity
Explanation:
Data integrity is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions.
Data integrity can be used to describe a state, a process or a function – and is often used as a proxy for “data quality”. Data with “integrity” is said to have a complete or whole structure. Data integrity is imposed within a database when it is designed and is authenticated through the ongoing use of error checking and validation routines. As a simple example, to maintain data integrity numeric columns/cells should not accept alphabetic data.
Answer:
He can use following computer program to make the class room more interesting and effective:-
- 1. <u>Reference software</u> : This software help students to access the atlases and dictionaries.Teacher can include this software in research projects .
- 2. <u>Educational Games</u>: This types of software is very effective for younger children because it motivates them to learn.This software companies have combined gaming and education into one .
- 3. <u>Graphical software</u> : Student can use this software to create and changes images available on the internet itselfs .
The read-write type of memory helps in reading as well as writing data. This computer memory is used by users to continually update the data (to access (read from) or alter (write to) ) that is held on hardware storage devices. Internal or external hard disk drives, rewritable CDs or small flash drives can be all physical setups of read-write memory.
Formatting can maybe be applied to software works