What are lexical errors?

and fi (a==b)

will it be a lexical error or a syntactical error?

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Important objectives of computer security include:

Write a local function named maxvalue that returns the maximum of two inputs numa and numb.

Computer input is the process of translating physical signals (light, sound, movement) into which of the following?

Which type of object allows you to display text in a game? A. An Active object B. A String object C. A Word object D. A Score object

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What is the difference between a learner's license and a driver's license? Name the written test a potential driver must pass and list the minimum required score to earn a learner's license.

Are websites required to keep logs of visitors by law?

Recall when you built your binary message sending device. Why did we decide to send a message as a sequence of states (A and B) rather than modifying our devices to represent more states (State C, State D, State E, ...)

Public-key cryptography can be used for encryption (ElGamal for instance) and key exchange. Furthermore, it has some properties (such as nonrepudiation) which are not offered by secret key cryptography.