IB notes Section 2

Reliability

• reliability refers to the operation of hardware, the design of software, the accuracy of data or the correspondence of data w/ the real world. Data may be unreliable if it is entered incorrectly or if it becomes outdated.
• For example, a medical record that becomes dissociated from the patient it refers to becomes unrelliable

Integrity

• Integrity refers to correspondance of data w/ itself, at its creation. Data lacks integrity lacks when it has been changed accidently or tampered w/.
• For example, a hacker might change driver licensed data resulting in arrests of innocent ppl.