Operating system is:

1 a collection of hardware components

2 a collection of input-output devices

3 a collection of software routines

4 all of the above

Your Web page provides a form for users to add their names to a membership list, stored in a text file. You are writing a program to process the form submission.

The part of an e-mail message that describes the message is the a. Internet address. b. carbon copy information. c. message. d. subject line.

What Active Directory Domain Services role feature can be used to replace passwords with a two-step authentication process that combines verifying a device is enrolled in the domain and that the device has a personal identification number?

If a student is looking for the degree symbol (°) and it is not found on the main drop-down of symbols, what should the student do next? The student should look for a shortcut to that symbol. The student should click More Symbols.

Write a program that fills half the canvas with circles in a diagonal formation. Have Tracy draw circles along the width of the canvas on the bottom row.

What is green computing in non-technical term?

A confidential number used as an authentication factor to verify a user's identity is called a: a, PIN b. User ID c. Password d. Challenge

A user is complaining that cardstock is always getting creased as it feeds through a printer. What should a technician suggest the user do first? Clean the rollers Replace the rollers Use different paper Use the manual feed tray

The purpose of validating the results of the program is Group of answer choices To create a model of the program To determine if the program solves the original problem To correct syntax errors To correct runtime errors

Instant messaging is synchronous