3. In your application, you are using a stack data structure to manipulate information. You need to find which data item will be processed next, but you don’t want to actually process that data item yet. Which of the following queue operations will you use? a) pop
b) push
c) peek
d) contains

Octothorpe is another name for what common computer keyboard symbol?

What machine listens for http requests to come in to a website’s domain? a. a router b. a browser c. a server d. a uniform resource locator

Select the correct answer. a company wants to use online methods to target more customers. it decides to conduct a market research by collecting the data of a few customers with their consent. they want to track data of the sites that their customers frequently visit. which software can the company? a. spyware b. bots c. adware d. trojan horse e. rootkits