Ellen has eggs she wishes to trade for grain. However, she cannot find anyone with grain that needs eggs. What is missing for the exchange to occur?

Create a class SubstitutionCipher that implements the interface MessageEncoder, as described above. The constructor should have one parameter called shift. Define the method encode so that each letter is shifted by the value in shift.

The e-mail password of a senior employee in an organization was compromised by someone observing this user as the employee accessed his account. This is most likely a case of: A. keylogging shoulder surfing. B. dumpster diving. C. screen capture. D.

What is unauthorized data disclosure?

Which program is commonly used to verify a new piece of hardware?

It's likely ancient humans may have tamed wolf pups. According to the selection, which two traits did they probably look for in these pups? gentleness aggressiveness beauty size obedience

Which technique emphasizes the participative development among system owners, users, designers, and builders?

In the borders and shading dialog box where would you look to see if your border will have two sides

When you save a Notepad file for the first time, you must also A. print a copy for your records. B. give it a name. C. check the file for errors. D. indicate the date and time.

If a company doesn't distribute a computing use policy stating an employer's right to inspect employees' computers freely, including e-mail and Web use, employees have an expectation of privacyA. TrueB. False.

Give 5 computer input devices and explain how they work