Which of the following software maintenance steps erases gaps caused by deleting files from the hard drive?

Update system software

Defragging

Virus scan

Installing firewall

What is the output of the following program fragment? (alpha and beta are int variables and △ is a blank.

Getting rid of popups when printing from internet

Describe at least one application for autocad software?

You are installing a webcam in the screen bezel of your laptop. Prior to disassembling the laptop, what other devices in the screen bezel should you be aware of?

Peter wants to submit his admission form online. What type of input element will allow him to enter his last name on the web page? A. form B. submit C. radio D. text

The groups_per_user function receives a dictionary, which contains group names with the list of users. Users can belong to multiple groups. Fill in the blanks to return a dictionary with the users as keys and a list of their groups as values.

Amanda needs to create an informative print brochure for her local library's fundraiser dinner. What critical detail must she have before she starts designing the brochure? A. Target audience for the brochure B. Font styles for the brochure C.

Variables make it easier to do what? (select best answer.) A.) format your code B.) add comments in your code C.) figure out what data type a value has D.) make changes to your code

You have a small network at home that is connected to the internet. On your home network, you have a server with the IP address of 192.168.55.199/16. All computers on your home network can connect to the internet.

Which pattern is most similar to how stages are related in Atkinson and Shiffrin's information-processing model?