Exam 22: B: Extension: A Hardware and Software Basics

What software controls how the various technology tools work together along with the application software?

Utility software provides additional functionality to the operating system.Utility software includes antivirus software, screen savers, and anti-spam software.

What computer is the fastest, most powerful, and most expensive type of computer?

What is the arithmetic logic unit?

Magnetic medium is a secondary storage medium that uses magnetic techniques to store and retrieve data on disks or tapes coated with magnetically sensitive materials.

A site license enables any qualified users within the organization to install the software, regardless if the computer is on a network.Some employees might install the software on a home computer for working remotely.

Megahertz is the number of billions of CPU cycles per second.

Volatility is a protected memory space created by the CPU allowing the computer to create virtual machines.

The central processing unit (CPU) (or microprocessor) is the actual hardware that interprets and executes the program (software) instructions and coordinates how all the other hardware devices work together.

What equipment is used to capture information and commands?

Random access memory (RAM) is the computer's primary working memory, in which program instructions and data are stored so that they can be accessed directly by the CPU via the processor's high-speed external data bus.

Memory stick is an older secondary storage medium that uses a strip of thin plastic coated with a magnetically sensitive recording medium.

An iPod has a single-purpose embedded operating system.

What detects the presence or absence of a mark in a predetermined place (popular for multiple-choice exams)?

What contains high-capacity storage that holds data such as captured images, music, or text files?

Gigahertz is the number of millions of CPU cycles per second.

The arithmetic-logic unit includes instructions and literally tells the other hardware devices what to do, based on the software instructions.

Software upgrade occurs when the software vendor releases a new version of the software making significant changes to the program.

What is the portion of a computer's primary storage that does not lose its contents when one switches off the power?

What occurs when the software vendor releases a new version of the software that makes significant changes to the program?