Rocco Runs a Software Firm That Creates Database Management Systems

question 47

Multiple Choice

Rocco runs a software firm that creates database management systems for other businesses.How can he ensure that his employees' computers remain protected from viruses and other malware?

• A) He should have additional RAM installed on all the computers.
• B) He should have the hard disks on all the computers defragmented periodically.
• C) He should have periodic anti-virus scanning and software upgraded on all computers.
• D) He should have the hardware components like the monitor,keyboard,and CPU vents periodically cleaned.

---

Definitions:

Complex Number

A number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit.

Multiplicative Inverse

The number that, when multiplied by a given number, results in a product of one. It is also known as the reciprocal.

Complex Number

A value represented as a + bi, where a and b are real numbers, and i is the unit of imaginary numbers.

Complex Conjugate

The complex conjugate of a complex number is the number with an equal real part and an imaginary part equal in magnitude but opposite in sign.