Select the four tasks associated with operating system maintenance

Consider the following schema for customer: (id, name, street, city, state, zip, phone), in which customers are uniquely determined by their name and phone or by their id. How many super keys are there for this relation? Justify your answer.

An advertising company wishes to plan an advertising campaign in three different media: television, radio, and magazines. The purpose of the advertising program is to reach as many potential customers as possible.

A void function can return any value. TRUE FALSE

In planning for disaster recovery, what is the ultimate goal?

When you double-click a file, it will automatically open the Application for that file type. Question 10 options: True False

Which of the following is NOT a name of one of the central features of Facebook? Timeline Activity Log Graph Search Daily News

How many characteristics do the algorithms have? Explain them briefly.

What type of topography should Carlos choose? Carlos does not have much money to spend on a new computer network, and he has also never installed a network before.

During this phase of startup, the firmware bootstrap loader program uses hardware configuration settings stored in nonvolatile memory to determine what devices can start an OS and the order in which the system will search these devices.

True or false. Embedding only part of a font is called presetting.