Determine whether the given statement is True or False. If it is true, give a brief reasoning as to why otherwise give a counter-example.

If a language is not context-free, it will also be non-regular.

What is f (-3) for the function f (a) = -2a²-5a+4?

A user contacted you to report that an unwanted Windows application is launched each time her computer is booted. How can you permanently resolve this issue?

Write the definition of a function add, that receives two int parameters and returns their sum. python

Which of the following could be a consequence of falling victim to phishing? Identify Theft Having accounts opened in your name Having spyware installed on your computer All of the above

A coffee shop is considering accepting orders and payments through their phone app and have decided to use public key encryption to encrypt their customers' credit card information. Is this a secure form of payment? A.

Which custom configuration is most likely to include a raid array?

Which describes an operating system this is multitasking

With consideration to Ethernet, why is it necessary to have a common language for communication across devices.

In Windows Vista, the Run command can be found in which application?

Data for which there is temporarily no room in RAM is diverted to where on your computer? A. The paging file on the hard drive B. The system file on the hard drive C. The memory file on the hard drive D. The CPU cache