Exam 10: Hardware and Software Basics

The control unit performs all arithmetic operations (for example, addition and subtraction) and all logic operations.

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

Flash memory is a special type of rewritable read-only memory (ROM) that is compact and portable.

What is a small unit of ultra-fast memory that is used to store recently accessed or frequently accessed data so that the CPU does not have to retrieve this data from slower memory circuits such as RAM?

What software controls the application software and manages how the hardware devices work together?

Spyware removes any software that employs a user's Internet connection in the background without the user's knowledge or explicit permission.

What limits the number of instructions the CPU can execute to increase processing speed?

What occurs if the system is failing and will load only the most essential parts of the operating system and will not run many of the background operating utilities?

A handheld computer portable enough to fit in a purse or pocket and has its own power source or battery.

What is software for data recovery that relieves the burden of reinstalling applications if a hard drive crashes or becomes irretrievably corrupted?

A tablet is a pen-based computer that provides the screen capabilities of a PDA with the functional capabilities of a laptop or desktop computer.

What enables users to navigate the World Wide Web? The two leading browsers are Netscape Navigator and Microsoft Internet Explorer.

What is a special type of rewritable read-only memory (ROM) that is compact and portable?

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

Operating system software controls the application software and manages how the hardware devices work together.When using Excel to create and print a graph, the operating system software controls the process, ensures that a printer is attached and has paper, and sends the graph to the printer along with instructions on how to print it.Some computers are configured with two operating systems so they can dual boot-provide the user with the option of choosing the operating system when the computer is turned on.

What is equipment used to capture information and commands?

Identify the different computer categories and explain their potential business uses.

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

What is an older secondary storage medium that uses a strip of thin plastic coated with a magnetically sensitive recording medium?

What removes any software that employs a user's Internet connection in the background without the user's knowledge or explicit permission?