a. Maintain data integrity. b. Establish relationship among records in different files. c. All of these choices are correct. d. Eliminate data redundancy.

As computers and other digital devices have become essential to business and commerce, they have also increasingly become a target for attacks. in order for a company or an individual to use a computing device with confidence, they must first be assured that the device is not compromised in any way and that all communications will be secure

1: is a. 2: is  d. 3: is b.

1or 2       no all alone     yes and lots of them     yes coding in basic robotics

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