What does a barcode reader emit to identify bar codes?

A.

electric pulse

B. magnetic pulse

sound

D.

E.

light

electromagnetic pulse

What invention do you wish existed during this quarantine? (I have to do a sales pitch for an invention in Spanish, the invention can be related to quarantine or after quarantine too.)

What is the value of the variable phones after the execution of the following code? phones = {'John': '5555555', 'Julie' : '7777777'} phones['John'] = '1234567'

If you don't want the border style to carry forward each time the enter key is pressed, you need to?

There are numerous line coding techniques used today, with each technique having advantages and disadvantages regarding bandwidth efficiency, complexity, and timing.

You can remove selected text from a slide by pressing ctrl+x keyboard shortcut keys true or false

What is an important fact about databases?

If you have obtained the. appx file for a Windows Store app, you can install the app from a source other than the Windows Store. What is this ability known as?

The normalization process used to convert a relation or collection of relations to an equivalent collection of third normal form tables is a crucial part of the database design process. Group of answer choices True False

In the United States there are more women than men, but women are referred to as a minority group? Why are they considered a minority?

A physical switch port is part of an EtherChannel group. What happens while the same port is configured as a SPAN destination? A. The port forwards traffic in the EtherChannel group and acts as a SPAN source simultaneously B.